Codes and Frequencies
Most IPUMS data transformations are performed using variable harmonization tables that specify how each value in the source data is recoded. Some variables also require programming logic in addition to the harmonization table. The harmonization documents for this variable are:
GEO2_CN1990 identifies the household's prefecture or city within China in 1990. Prefectures or cities are the second level administrative units of the country, after provinces. A GIS map (in shapefile format), corresponding to GEO2_CN1990 can be downloaded from the GIS Boundary files page in the IPUMS International web site.
The full set of geography variables for China can be found in the IPUMS International Geography variables list. For cross-national geographic analysis on the first and second major administrative level of any country refer to GEOLEV1, and GEOLEV2. More information on IPUMS-International geography can be found here.
- All households
- China: 1990