7: Register-based Census in the Nordic Countries

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1 Course on -based Statistics INEGI Aguascalientes April 2011 Anders & Britt Wallgren Statistics Sweden and Örebro University 7: -based Census in the Nordic Countries 1. The transition takes long time. Two decisions by the Parliament: Establishments and Registration on Dwelling 2. A System is necessary 3. Consistence between all Census Tables requires standardized population and variables 4. Preconditions for -based Statistics 1

2 1. The transition takes long time Censuses were used to establish registers and to improve registers The year of establishing registers: Denmark Finland Norway Sweden Population Business Dwellings Education Employment Income Census

3 2. A System is necessary -based Census: A System of Statistical s register by object type and subject field Population & Housing Census Employment Statement of Earnings Education Wages and staff, private sector Income & Taxation Wages and staff, public sector Privately owned Vehicles Occupation Patient Unemployment measures Cancer Population Activity Compulsory school, pupils Cause of Death Upper secondary school, pupils Multi-generation School staff Fertility of University students Longitudinal Income University staff Longitudinal Welfare Persons in education Education & labour market transition Value Added Tax Geographical database, GIS Monthly wage sums Real Estate Price Income declarations Conversion of buildings Fastighetsregister Real Estate Business Standardised accounts data Newconstruction of buildings Foreign Trade on buildings Patent on dwellings Enterprise-owned Vehicles Assessment real estate, assessment units Farm Assessment of real estate, valuation units School Owners of assessed units Longitudinal register of local units

4 Three Base s have strategic links to other Base s: Person Id Address code home Dwelling Id Population Activity Fastighetsregister Real Estate Business 4

5 Three Base s have strategic links to other Base s: Population Activity Fastighetsregister Real Estate Business Enterprise Id Establishment Id Address code

6 Three Base s have strategic links to other Base s: Person Id Enterprise Id Establishment Id Population Activity Fastighetsregister Real Estate Business 6

7 3. Consistence between all Census Tables requires standardized d d population o and variables ab 4. Consistency regarding g populations p and variables are necessary for the coherence of estimates from different register-based surveys. The same standardized population is used in all register surveys: Administrative sources 1 Statistical register 1: Standardised population Standardised population + Administrative sources 2 Statistical register 2: Employment Standardised population + Administrative Statistical register 3: sources 3 Education Standardised population + Administrative sources 4 Statistical register 4: Income & Taxation Standardised population + Administrative sources 5 Statistical register 5: Occupation

8 4. Consistency regarding populations and variables are necessary for the coherence of estimates from different register-based surveys. Standardised variables data on p persons unit responsible for the.. Population Employment Education Income & Taxation Responsibility, standardised variables Demographic variables, civil status, country of birth Status of employment Final education level Different income variables -based statistics for one small municipality in Sweden 2003 Population Employment Education Income Yearly earned, $ thousands Age Number Employed Not employed Compulsory Upper secondary Postsecondary Postgraduate Not known

9 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity 2. Public approval for using administrative data for statistical purposes 3. Unified systems of identity codes used in all sources 4. Reliable administrative systems 5. Cooperation between administrative authorities 6. Regional and/or National Administrative s? 9

10 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity - Access to administrative micro data including identities, data can be used for official statistics and research - Right to link data from different administrative sources - Legislation on data protection - One way traffic : No information goes from NSO to administrative authorities 10

11 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity 2. Public approval al for using administrative ati data for statistical purposes - Work of register authorities and NSO:s should be open and transparent - Open discussion i and public debate - Persons/enterprises do not want to report both to an administrative authority and to the NSO 11

12 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity 2. Public approval al for using administrative ati data for statistical purposes 3. Unified systems of identity codes used in all sources - Matching is possible without unique numbers, but more difficult and time consuming - The same Id number should be used in all/many sources and should follow the object over its life-time 12

13 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity 2. Public approval al for using administrative ati data for statistical purposes 3. Unified systems of identity codes used in all sources 4. Reliable administrative systems - The quality of administrative data is important for individual s rights and duties - s used by many have the best quality - Information of legal and administrative importance have the best quality 13

14 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity 2. Public approval al for using administrative ati data for statistical purposes 3. Unified systems of identity codes used in all sources 4. Reliable administrative systems 5. Cooperation between administrative i i authorities i - The NSO needs a lot of information about the administrative registers and rules and routines - The NSO needs information about the changes in the administrative systems - The cooperation NSO administrative authorities is a long-term strategic activity. Contacts on all levels! 14

15 Preconditions for -based Statistics: 1. Legal base for the NSO to use administrative data in a way that protects integrity 2. Public approval al for using administrative ati data for statistical purposes 3. Unified systems of identity codes used in all sources 4. Reliable administrative systems 5. Cooperation between administrative i i authorities i 6. Regional and/or National Administrative s? in Sweden 24 county registers were replaced by one central national population register: => Easier work and Better quality 15

9: Multi-valued Variables in the Register system

Course on Register-based Statistics INEGI Aguascalientes April 2011 Anders & Britt Wallgren Statistics Sweden and Örebro University ba.statistik@telia.com 9: Multi-valued Variables in the Register system