system,iso3,pisa_denominator_concept,pisa_age_definition,pisa_reference_date,alt_wpp_reference_date,alt_eurostat_reference_date,alt_age_definition,year_aligned,age_window_observed,nonstandard_birth_window,age_window_aligned,territory_match,eurostat_population_concept,eurostat_territory_note,population_concept_match,oecd_documented_pop15_resourcing,ci3_identity_holds,ci3_at_most_one,enrolled_at_most_pop15,wpp_alignment_ratio_2018,wpp_alignment_ratio_2022,known_mismatch,comparability_status,in_reduced_mismatch_set,in_strict_set
Albania,ALB,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),True,True,True,True,1.0247457176560317,1.01514495696312,OECD-documented retrospective POP15 re-sourcing,denominator vintage mismatch,False,False
Argentina,ARG,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0,1.0,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Australia,AUS,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.000946129634184,0.9957272688005393,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Austria,AUT,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,registered residence,,not determinable (PISA side undocumented),False,True,True,True,0.9999543798787245,1.0074094744950626,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Baku (Azerbaijan),,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,False,True,False,False,False,n/a,,not determinable (PISA side undocumented),False,True,True,True,,,"territory: PISA entity is not a whole national/economy unit; PISA birth month or year not released, so the age-eligibility window cannot be observed and no age-aligned denominator can be built",multiple mismatches,False,False
Belgium,BEL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0034442385063649,0.9923542042543618,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Brazil,BRA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),True,True,True,True,1.0113628404085864,1.0076789190748312,OECD-documented retrospective POP15 re-sourcing,denominator vintage mismatch,False,False
Brunei Darussalam,BRN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,False,1.00833248517729,1.0148121551660987,enrolled 15-year-olds exceed POP15,internal-consistency mismatch,True,False
Bulgaria,BGR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,0.9962397597845862,0.9904532676231644,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Canada,CAN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,False,1.0084155022095587,0.993208386368145,enrolled 15-year-olds exceed POP15,internal-consistency mismatch,True,False
Chile,CHL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),True,True,True,True,1.004938036618677,0.9994258538189439,OECD-documented retrospective POP15 re-sourcing,denominator vintage mismatch,False,False
Chinese Taipei,TWN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0448945237019174,1.0029611834609335,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Colombia,COL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0025470486017944,1.0067888430343508,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Costa Rica,CRI,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.009952983870052,1.0017343994746732,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Croatia,HRV,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0036805997943699,1.0054599226158816,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Cyprus,CYP,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window n/a/n/a months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,False,False,False,True,usually resident,government-controlled area only,not determinable (PISA side undocumented),False,True,True,True,,,"no student-file rows for this entity in at least one cycle, so no age-aligned denominator can be built",no comparable student sample in both cycles,False,False
Czech Republic,CZE,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident / registered residence,,not determinable (PISA side undocumented),False,True,True,True,0.9951403972277286,0.9763440292632035,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Denmark,DNK,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,registered residence,,not determinable (PISA side undocumented),False,True,True,True,1.0044257392916622,1.0019702393114671,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Dominican Republic,DOM,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0034695210470945,0.9994705791293663,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Estonia,EST,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,0.9906662332472395,0.9777815862548163,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Finland,FIN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,legal residence,,not determinable (PISA side undocumented),False,True,True,False,0.9983316822099247,0.9955993149005272,enrolled 15-year-olds exceed POP15,internal-consistency mismatch,True,False
France,FRA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0045277159419255,1.0005583264679432,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Georgia,GEO,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,government-controlled area only,not determinable (PISA side undocumented),False,True,True,True,1.0017234981761254,0.9814440680485346,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Germany,DEU,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident / registered residence,,not determinable (PISA side undocumented),False,True,True,True,1.011541328266326,0.9980663517720535,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Greece,GRC,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0056708146143327,0.9962132170517142,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Hong Kong (China),HKG,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0157569389649672,0.9827536535677679,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Hungary,HUN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.007364768562813,1.0015934781215245,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Iceland,ISL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 14/n/a months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,False,False,False,True,registered residence,,not determinable (PISA side undocumented),False,True,True,True,0.9990785655686206,,"PISA birth month or year not released, so the age-eligibility window cannot be observed and no age-aligned denominator can be built",insufficient microdata for age alignment,False,False
Indonesia,IDN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9983508555860486,0.992849573501502,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Ireland,IRL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,False,True,0.9977268438674881,1.0037247709165251,POP15 below the weighted participant count (CI3 > 1),internal-consistency mismatch,True,False
Israel,ISR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 13/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,True,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9855860601649304,0.9894314105017598,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Italy,ITA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0015502190822971,1.0003199635469397,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Japan,JPN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 13/13 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,True,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0047823190279817,0.9986498475981695,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Jordan,JOR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),True,False,True,False,0.9864149526681032,0.9757442733458138,OECD-documented retrospective POP15 re-sourcing; published CI3 does not equal weighted participants / POP15; enrolled 15-year-olds exceed POP15,multiple mismatches,False,False
Kazakhstan,KAZ,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9751907129675821,0.9690351067288364,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Korea,KOR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/14 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,True,True,True,n/a,,not determinable (PISA side undocumented),False,True,False,True,1.029955897335051,0.9847356776060103,POP15 below the weighted participant count (CI3 > 1),internal-consistency mismatch,True,False
Kosovo,XKX,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0294247116403517,1.0029781865128164,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Latvia,LVA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,0.983782194644871,0.9783202531405584,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Lithuania,LTU,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0102463161348396,1.0008705648045029,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Macao (China),MAC,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.1102648974078693,0.9967961123180392,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Malaysia,MYS,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.999349291467198,1.0109583976441896,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Malta,MLT,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,False,0.994771405868811,0.9996554411131634,enrolled 15-year-olds exceed POP15,internal-consistency mismatch,True,False
Mexico,MEX,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.000215198050946,1.0004974002176037,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Moldova,MDA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,n/a,government-controlled area only,not determinable (PISA side undocumented),False,True,True,True,0.9915092641678077,0.9836572287630626,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Montenegro,MNE,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/n/a months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,False,False,False,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0078726531954711,,"PISA birth month or year not released, so the age-eligibility window cannot be observed and no age-aligned denominator can be built",insufficient microdata for age alignment,False,False
Morocco,MAR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0009925839490141,0.9897423263751727,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Netherlands,NLD,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,registered residence,,not determinable (PISA side undocumented),True,True,True,True,1.0044368332219966,0.9996175212870638,OECD-documented retrospective POP15 re-sourcing,denominator vintage mismatch,False,False
New Zealand,NZL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.003293117146953,0.9953727931391604,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
North Macedonia,MKD,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0053645366834667,0.9977082496970475,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Norway,NOR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window n/a/n/a months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,False,False,False,True,registered residence,,not determinable (PISA side undocumented),False,True,True,True,,,"PISA birth month or year not released, so the age-eligibility window cannot be observed and no age-aligned denominator can be built",insufficient microdata for age alignment,False,False
Panama,PAN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9987483856255489,0.9987075262603193,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Peru,PER,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9980295214110699,0.9993545043377615,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Philippines,PHL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0002695641456139,0.9937511120875588,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Poland,POL,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0082428203865783,0.9761875675121569,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Portugal,PRT,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0011747266196236,1.015552189227735,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Qatar,QAT,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9691080585322089,0.9738426310662422,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Romania,ROU,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),True,True,True,True,0.9889649923365249,1.0023262902159784,OECD-documented retrospective POP15 re-sourcing,denominator vintage mismatch,False,False
Saudi Arabia,SAU,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9892630123789082,0.9854153475208339,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Serbia,SRB,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 14/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,True,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0033155363390374,1.0084795942466245,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Singapore,SGP,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0831718659806635,1.061508476055079,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Slovak Republic,SVK,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,0.9995567542453829,0.9997564414132332,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Slovenia,SVN,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,False,1.0075301936445917,0.9789895127479044,enrolled 15-year-olds exceed POP15,internal-consistency mismatch,True,False
Spain,ESP,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,usually resident / registered residence,,not determinable (PISA side undocumented),False,True,True,True,0.9913829058552011,0.995696218126727,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Sweden,SWE,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window n/a/n/a months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,False,False,False,True,registered residence,,not determinable (PISA side undocumented),False,True,True,True,,,"PISA birth month or year not released, so the age-eligibility window cannot be observed and no age-aligned denominator can be built",insufficient microdata for age alignment,False,False
Switzerland,CHE,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,legal residence,,not determinable (PISA side undocumented),False,True,True,True,1.005021969642637,0.997092096517245,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Thailand,THA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0010116401333062,1.0012282059439552,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Türkiye,TUR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,True,False,True,True,legal residence,,not determinable (PISA side undocumented),False,True,True,True,1.0139098611355162,0.9951160551362882,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Ukraine,UKR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/n/a months (2018/2022),not reported,1 July of the cycle year (WPP 2024),1 January of the cycle year (demo_pjan),completed single years of age,True,False,False,False,True,n/a,excludes Crimea and Sevastopol,not determinable (PISA side undocumented),False,True,True,True,0.9796994877799157,,"no student-file rows for this entity in at least one cycle, so no age-aligned denominator can be built",no comparable student sample in both cycles,False,False
United Arab Emirates,ARE,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9800759840156711,0.9824917812296455,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
United Kingdom,GBR,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 13/13 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,True,True,True,usually resident,,not determinable (PISA side undocumented),False,True,True,True,1.0021353035514768,1.0038205971308385,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
United States,USA,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 13/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,True,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,1.0000132997745181,1.0,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
Uruguay,URY,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),True,True,True,True,1.0013965666019382,1.0016789985786387,OECD-documented retrospective POP15 re-sourcing,denominator vintage mismatch,False,False
Viet Nam,VNM,"Annex A2 'Total population of 15-year-olds', national submission; concept, reference date, source and vintage not reported",observed birth window 12/12 months (2018/2022),not reported,1 July of the cycle year (WPP 2024),n/a,completed single years of age,True,True,False,True,True,n/a,,not determinable (PISA side undocumented),False,True,True,True,0.9816137173806161,0.9791804756495227,none on the checkable dimensions,reduced-mismatch (all checkable dimensions aligned),True,True
