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Mali, Region 1987 - 2009 [Level 1; consistent boundaries, GIS]

Codes and Frequencies

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GEO1_ML identifies the household's region within Mali in all sample years. Regions are the first level administrative units of the country. GEO1_ML 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 GEO1A_ML codes can be downloaded from the GIS Boundary files page in the IPUMS International web site.

The full set of geography variables for Mali 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.

Boundary changes:

  • The region of Kidal was created from Gao in 1991.


  • All households


  • Mali: 1987, 1998, 2009