Federal Department of Home Affairs FDHA Federal Statistical

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Swiss Census Microdata Samples 1970, 1980, 1990 and 2000 Marcel Heiniger, Swiss Federal Statistical Office III Workshop “Integrating European Census Microdata” (Barcelona, 9 -10 July 2008)

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Content of Presentation 1. Existing national census microdata 2. Swiss participation in the IECM/IPUMS project – A brief history 3. Metadata and microdata delivered to IECM/IPUMS 4. Future work Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 2

Federal Department of Home Affairs FDHA Federal Statistical Office FSO National Census Microdata individual records for the censuses of 1970, 1980, 1990 and 2000 two harmonized individual data sets: • 1970 -2000 • 1990 -2000 2005 PUS covering the censuses of 1970, 1980, 1990 and 2000 (5% sample of individuals) Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 3

Federal Department of Home Affairs FDHA Federal Statistical Office FSO History (1) November 8, 2005: Bob Mc. Caa visits SFSO – first discussion and general agreement to participate in project February 2006: first delivery of documentation (metadata) November 2006: start of discussions with Statistical Methods Unit regarding new household sample January 2007: first internal discussion about data confidentiality issues Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 4

Federal Department of Home Affairs FDHA Federal Statistical Office FSO History (2) May 2007: drawing of new 5% household sample September 2007: University of Minnesota approves wording of specimen contract May 13, 2008: SFSO Director-General signs data protection contract ( = green light for data delivery) June 23, 2008: microdata delivered to IPUMS Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 5

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Metadata • census forms person/household/building • explanations to census forms (1980 and 1990 only) • instructions to enumerators (in German, French, Italian) Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 6

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Microdata (1) sample drawn from the 1970 -2000 harmonized data set → certain drawbacks for IPUMS harmonization effort: • some original variables already recoded and reduced (loss of information) • no composite coding scheme used Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 7

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Classification Schemes – Mother Tongue Censuses of 1970, 1980 and 1990 Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 8

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Microdata (2) confidentiality edits: • lowest level of geography: canton (NUTS 3) Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 9

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Census Microdata Inventory and Samples – Private Households Census Households Persons 1970 102, 580 299, 754 1980 122, 490 307, 675 1990 142, 093 330, 879 2000 155, 770 349, 326 Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 10

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Census Microdata Inventory and Samples – Institutional Households Census Persons 1970 12, 784 1980 10, 128 1990 11, 918 2000 14, 760 Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 11

Federal Department of Home Affairs FDHA Federal Statistical Office FSO List of Variables • person variables (demographic, social, economic, educational) • individual • reference person (of household) • partner of reference person (of household) • household variables • building variables • dwelling variables Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 12

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Variable Availability 1970, 1980 and 1990 samples: • person • individual – 35 variables • reference person – 15 variables • partner of reference person – 15 variables • household variables – 37 variables • building variables – 13 variables • dwelling variables – 6 variables 2000 sample: all of the above + additional 28 person (individual) variables Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 13

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Record Layout Person VARS Household VARS Ref. Per PRef. Per Building Dwelling VARS Person 1 Person 2 Person 3 Person 4 Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 14

Federal Department of Home Affairs FDHA Federal Statistical Office FSO Future Work • detailed description of record layout • detailed description of variable codes and their associated labels (available in French and German only) • documentation of sample design • Switzerland Country Report Swiss Census Microdata Samples | Marcel Heiniger, SFSO III Workshop “Integrating European Census Microdata”, Barcelona, 9 -10 July 2008 15