Codes and Frequencies
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Explore how IPUMS created this variable
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:
- Harmonization table
- No supplemental programming
- Instructions for interpreting harmonization documents
Description
GEO2_TZ identifies the household's district within Tanzania in all sample years. Districts are the second level administrative units of the country, after regions. GEO2_TZ is spatially harmonized to account for political boundary changes across census years. Some detail is lost in harmonization; see the comparability discussion. A GIS map (in shapefile format), corresponding to GEO2_TZ can be downloaded from the GIS Boundary files page in the IPUMS International web site.
The full set of geography variables for Tanzania can be found in the IPUMS International Geography variables list. For cross-national geographic analysis on the first and second major administrative level refer to GEOLEV1, and GEOLEV2. More information on IPUMS-International geography can be found here.
Comparability — General
Where boundaries changed over time, units were harmonized to create units with boundaries that remain stable over time. Where officially-defined districts have populations less than 20,000, they have been regionalized (combined) with neighboring districts.
Boundary changes for GEO2_TZ are too numerous to list here, but users should be aware that there were changes over time.
Universe
- All households
Availability
- Tanzania: 1988, 2002, 2012
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