Contents Registerbased censuses Specific issues that could hamper quality Comparability issues Quality administrative data and the statistical process Conclusions 2 Registerbased censuses 1 ID: 1009908
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1. Eric Schulte NordholtEffects of the crisis on census comparability and quality
2. Contents Register-based censuses Specific issues that could hamper quality Comparability issues Quality, administrative data and the statistical process Conclusions2
3. Register-based censuses (1)Data sources for the Dutch Census :Main registers usedPopulation Register (automated population registration system)Jobs file (all employees)Self-employed file (all self-employed)Fiscal administrationSocial security administrationPensions and life insurance benefitsHousing RegisterSurveyLabour Force Survey3
4. Register-based censuses (2)4
5. Specific issues that could hamper qualityQuality of administrative data usedAre they delayed?Are they as up to date as before?Problems with using existing LFS microdataNo CAPI observations in the first and second wave of the crisisOther answers in other modes (CATI; CAWI)Gradually less CAPI and more other modes over time for which we corrected, but what to do now?More complicated weighting issuesLess records in the three year period around Census Day less detail possible in the occupation tables compared to the Census 20115
6. Comparability issues (1)Hardly any comparability issues with other register-based census countriesComparability issues with other countries?In 2020 more people died and less people immigrated resulting in a smaller population growth than in previous years, but in the comparison between 2011 and 2021 this is a negligible effectComparability over time?6
7. Comparability issues (2)7
8. Quality, administrative data, and the statistical processData source holder NSIEurostatProcess quality :Conversion of admin. data to statistical dataOutput quality ofstatistical data (based on admin. data)Input qualityof admin. source8
9. ConclusionsOur Census Day is just behind usThe data are coming in this year and next yearComparability and quality issues are importantThe real effects are still inknownFor register-based censuses the effects will be minor compared to censuses with census questionnairesDelay of European plan to have yearly census updates9
10. Thank you very much for your attention!Holland in the winter10