Eurostat WG on Population and Housing Censuses Luxembourg, 19-20 May 2015 Overview of national plans for 2021 censuses in the European Union: first results from CES consultation Paolo Valente UNECE Statistical Division

Source: UNECE Questionnaire for electronic consultation on CES Recommendations for 2020 census round (April 2015) Part 2 on national plans for 2020 census round Results presented for 36 countries: 27 EU member countries (Greece missing) 3 EFTA countries (Liechtenstein missing) 6 Candidate and potential candidate countries May 24, 2019

Tentative date for 2021 census: Most countries indicated tentative census date For some countries census date not yet decided Some countries carry out census annually or every few years May 24, 2019

Census methods - 2011 and plans for 2021 EU, EFTA, Candidate countries

Census methods - 2011 and plans for 2021 EU, EFTA, Candidate countries Census method 2021 (tentative plans) Census method 2011 Register-based Combined Traditional incl. rolling TOTAL Register- based 9 - 5 3 8 7 11 18 14 10 35

Census methods - 2011 and plans for 2021 EU, EFTA, Candidate countries Czech Republic Cyprus* Italy («permanent census») Luxembourg Montenegro Romania* United Kingdom Estonia Latvia Lithuania Spain Turkey Census methods - 2011 and plans for 2021 EU, EFTA, Candidate countries Census method 2021 (tentative plans) Census method 2011 Register-based Combined Traditional incl. rolling TOTAL Register- based 9 - 5 3 8 7 11 18 14 10 35

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Countries using Internet response – 2011, 2021 EU, EFTA, Cand Countries using Internet response – 2011, 2021 EU, EFTA, Cand. countries (traditional, combined)

Internet response Assumptions about Internet take-up rates in 2021

Traditional incl. rolling Countries proposing activities to support 2021 census EU, EFTA, Candidate countries - By 2021 census method 2021 Census method (plans) Register-based Combined Traditional incl. rolling TOTAL Countries proposing activities 4 6 9 19 Workshops 2 5 11 Technical assistance 1 Other activities Countries NOT proposing activities 10 3 17 14 12 36

Use of administrative data for the census (7 countries) Topics proposed for activities to support 2021 census 1. Countries with register-based or combined census Use of administrative data for the census (7 countries) Support to develop population register Share experience from register based countries Adapting administrative data to specific census definitions Evaluation of quality of administrative data (3 countries) Evaluation of administrative data quality when using multiple sources Other methodological and technological issues Integrated system for managing collection of information from several sources Internet-based interviews Sample surveys and small area estimation (estimation methods, dealing with non-response) Grid statistics GPS use for recording the geographical coordinates of buildings Big data Census topics economic activity migration characteristics

Evaluation of quality (3 countries) Technological issues (3 countries) Topics proposed for activities to support 2021 census 2. Countries with traditional or rolling census Evaluation of quality (3 countries) Post census coverage survey (2 countries) Control of quality of data produced Technological issues (3 countries) Internet enumeration (3) Use of GIS data to facilitate data collection Other methodological issues Statistical Disclosure Control methods, including pre-tabular methods (2 countries) Treatment of non response Transition to register-based census Census topics Usual residence Marital status Ehnicity Disability

UNECE Census Wiki: New page with papers on transitions to new census methods