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:
ETHNICBJ indicates the person's ethnic group for native Beninese, or whether the respondent is naturalized or foreigner.
Comparability — General
The ethnic groups are generally comparable over time. Benin 1979 only identifies large ethnic groups, while 1992, 2002, and 2013 include more detailed categories. The 2013 sample identifies the most number of specific ethnic groups.
The category Djougou in 1979 corresponds to the category Yoa in 1992-2013.
Naturalized persons and foreigners are identified as separate groups.
- Benin 1979: All persons
- Benin 1992: All persons
- Benin 2002: All persons
- Benin 2013: All persons
- Benin: 1979, 1992, 2002, 2013