The objective of the census is to count the number of population and households and collect information on demographic and socioeconomic characteristics of population as well as housing chracteristics.


Population combined in the census coverage are:
  • All Thai nationals residing in the country as of the census date, April 1, 2000.
  • Persons having their usual residence in Thailand, but as of the census date, are away temporarily at field exercises, at sea or temporarily abroad
  • Government officials, both civilian and military including Thai diplomatic personnel, and their families stationed abroad.
  • Civilian nationals of foreign nations having their usual residence in Thailand of those who had resided in Thailand for at least three months as of the census date (before January 1, 2000).
  • The housing census combines all private households

Method​ology & Data Capture​​​

The sample census enumeration technique will be adopted. In Bangkok and municipal and non-municipal areas, all persons and households will be listed and simultaneously enumerated with the short form questionnaire except for the sample households (20%) which will be enumerated with the long form questionnaire.
Data Ca​pture
It is the first time that an Intelligent Character Recognition (ICR) will be introduced for data capture of the population and housing census.

Topics to be​ combined

Topics to be combined
      Identification of household:
  • type of area (municipal and non-municipal)
  • census block
  • village number
  • household type (private/collective)
  • household number
  • number of persons in household
  • males/females
  • language spoken at home
  • short form or long form
     Short form (all respondents):
  • relationship to head of household
  • sex
  • age
  • month and year of birth
  • religion
  • nationality
  • level of school attending
  • literacy
  • educational attainment
  • marital status
  • occupation during last year
  • industry during last year
  • work status during last year
      Long form (sample respondents):
        (short form and in addition)
  • work last week
  • looking for work and availability to work last week
  • reasons for not working last week
  • children ever born alive
  • children died
  • birth last year
  • place of birth
  • length of residence
  • place of previous residence (province, rural/urban)
  • reasons for migration
     Long form (housing):
  • type of living quarter
  • characteristic of living quarter
  • tenure of living quarter
  • tenure of land
  • fuel used for cooking
  • type of toilet
  • source of drinking water
  • source of supply water
  • household possessions
Period of data collection
April 2000

About 10,000 temporary employees will be recruited.

Number of population in Thailand : 1909-2000 census years

​Census YearNumber of population

Source:     1. The Survey of Family Registration 1909, 1919, 1929, 1937 and 1947, Ministry of Interior.
         2. Population and Housing Census 1960, 1970, 1980 and 1990, National Statistical Office,Office of the Prime Minister.​​​