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Country of residence last census

Codes and Frequencies

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Explore how IPUMS created this variable


      class Migctryc : public Editor {

  Migctryc(VarPointer varInfo) : Editor(varInfo) {}
  void edit() {

    long a = getRecoded();
    if (dataSet == dataset_id::fr1999a) {
      if (FR1999A_0422() >= 1 && FR1999A_0422() <= 9)
        a = 20;




MIGCTRYC indicates the person's country of residence at the time of the previous census.

Comparability — Index


Comparability — General

The number of countries specified differs across samples, as does the specific time interval. There are important universe differences between samples.

Comparability — Cameroon [top]

This variable is only available for the 1987 sample. The universe only includes persons who were born before the previous census (age 11+).

MIGCTRYC indicates the persons' country of residence at the time of the April 1976 census.

Comparability — France [top]

For these samples, the variable indicates the person's country of residence on January 1 the year of the previous census. Children not born by January 1 of the year of the last census are coded as non-migrants.

Countries were grouped differently for the two samples in the underlying data. The year of reference is 1968 for the 1975 sample, and 1990 for the 1999 sample.

The 1975 census distinguished metropolitan France from overseas territories and departments for non-migrants. Both are coded to non-migrants in MIGCTRYC, but full detail is preserved in the unharmonized source variable.


  • Cameroon 1987: Persons age 11+
  • France 1975: All persons
  • France 1999: All persons


  • Cameroon: 1987
  • France: 1975, 1999