IPUMS-International Data Series international.ipums

IPUMS-International Data Series http://international.ipums.org Matt SobekMinnesota Population Centersobek@pop.umn.edu

IPUMS-International Stages 1) Sample processing 2) Integration 3) Dissemination

Sample Processing 1) Reformatting and diagnostics • Standardize data structure • Run tests on data 2) Sampling and donation • Draw sample • Correct structural errors in data 3) Confidentialize • Suppress low level geography • Swap households across geographic units • Suppress sensitive variables • Recode very small categories and top-code Result: scientific-use dataset

IPUMS-International Stages 1) Sample processing 2) Integration • Data harmonization • Variable descriptions • XML-tagged metadata • Constructed variables

Data Harmonization – Marital Status China 1982 Colombia 1973 Kenya 1989 Mexico 1970 U.S.A. 1990

Variable Description – Marital Status

Enumeration Form Text (English)

XML-Tagged Enumeration Form MX00_BEDROOMS MX00A_ROOMS MX00A_WATER

Family Interrelationship Variables (Simple household) Spouse’s 2 1 0 0 0 0 Mother’s Father’s 0 0 0 0 0 0 2 1 2 1 2 1

Family Interrelationship Pointers 13 censuses include data on location of parent or spouse Under age 18

IPUMS-International Stages 1) Sample processing 2) Integration 3) Dissemination Dynamic metadata system a) Documentation b) Data extraction

Variables Page

Sample Filtering

Variables Page

Enumeration Text – Marital Status

Enumeration Text – Marital Status (Cambodia)

Data Extract System Select Samples

Data Extract System – Select Variables

Data Extract Download

END Thank you Matt SobekMinnesota Population Centersobek@pop.umn.edu

IPUMS-International Data Series international.ipums