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Codes and Frequencies

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Explore how IPUMS created this variable


      class Regnth : public Editor {

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

    long a = getRecoded();
    switch (dataSet) {
    case dataset_id::th1970a: {
      if (TH1970A_0032(0) == 17 || TH1970A_0032(0) == 32)
        a = 1;
    } break;




REGNTH indicates the region in Thailand in which the household was enumerated. It is the largest-scale geographic identifier available in the Thailand samples. REGNTH is harmonized by name and does not account for boundary changes over time.

The full set of geography variables for Thailand 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

Regions in the Thailand samples are comparable across time. The Bangkok region did not exist in 1970, but REGNTH creates it for consistency with later years from Phra Nakorn and Thon Buri provinces.


  • All households


  • Thailand: 1970, 1980, 1990, 2000