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:
MIG2_P_ML indicates the person's circle of previous residence within Mali. Migration cercle codes from MIG2_P_ML are compatible with codes from GEO2_ML. The person may have moved at any time in their life.
Click on the Source Variables tab for information on place of residence for each sample year. Source variables may contain more geographic unit detail but are not suitable for cross-temporal comparison.
- Mali 1998: Non-visitors
- Mali 2009: Persons whose previous residence was in Mali
- Mali: 1998, 2009