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Descriptions of IPUMS-International Samples

1964 Colombia

  • 2 percent sample
  • Systematic sample of individuals
  • Smallest identifiable geographic unit: department
  • Includes total population, except people in transit and indigenous population in remote area
  • Approximately 350,000 person records

1973 Colombia

  • 10 percent sample
  • Systematic sample of private households
  • Smallest identifiable geographic unit: department
  • Includes total population except people in transit, indigenous population, and persons in group quarters
  • Approximately 1,989,000 person records and 350,000 household records

1985 Colombia

  • 10 percent sample
  • Systematic sample of dwellings pre-selected before fieldwork. Use of weights strongly advised.
  • Smallest identifiable geographic unit: department
  • Includes total population except indigenous population and persons in group quarters
  • Approximately 2,643,000 person records and 571,000 household records

1993 Colombia

  • 10 percent sample
  • Systematic sample of private dwellings
  • Smallest identifiable geographic unit: department
  • Includes total population except indigenous population and persons in group quarters
  • Approximately 3,274,000 person records and 788,000 household records

1962 France

  • 5 percent sample
  • Systematic sample of individuals
  • Smallest identifiable geographic unit: region
  • Includes residents of any nationality in mainland France and Corsica
  • Approximately 2,321,000 person records

1968 France

  • 5 percent sample
  • Systematic sample of individuals
  • Smallest identifiable geographic unit: region
  • Includes residents of any nationality in mainland France and Corsica
  • Approximately 2,488,000 person records

1975 France

  • 5 percent sample
  • Systematic sample of individuals
  • Smallest identifiable geographic unit: region
  • Includes residents of any nationality in mainland France and Corsica
  • Approximately 2,629,000 person records

1982 France

  • 5 percent sample
  • Systematic sample of individuals
  • Smallest identifiable geographic unit: region
  • Includes residents of any nationality in mainland France, Corsica, and overseas departments
  • Approximately 2,714,000 person records

1990 France

  • 4.2 percent sample
  • Systematic sample of individuals
  • Smallest identifiable geographic unit: region
  • Includes residents of any nationality in mainland France, Corsica, and overseas departments
  • Approximately 2,361,000 person records

1989 Kenya

  • 5 percent sample
  • Systematic sample of households
  • Smallest identifiable geographic unit: district
  • Includes all persons present in Kenya on census day except for vagrant population
  • Approximately 1,074,000 person records and 225,000 household records

1999 Kenya

  • 5 percent sample
  • Systematic sample of households
  • Smallest identifiable geographic unit: district
  • All persons present in Kenya on census day except for travelers and other transients
  • Approximately 1,410,000 person records and 318,000 household records

1960 Mexico

  • 1.5 percent sample
  • Random sample of individuals
  • Smallest identifiable geographic unit: federal entity
  • Includes Mexican residents and foreign-born living over 6 months in Mexico, except foreign diplomats
  • Approximately 503,000 person records

1970 Mexico

  • 1 percent sample
  • Systematic sample of private dwellings
  • Smallest identifiable geographic unit: federal entity
  • Includes Mexican and foreign residents, except foreign diplomats.
  • Approximately 483,000 person records and 98,000 household records

1990 Mexico

  • 1 percent sample
  • Systematic sample of private dwellings, carried out separately for each federal entity
  • Smallest identifiable geographic unit: federal entity
  • Includes Mexican and foreign residents, except foreign diplomats. Excludes persons in group quarters.
  • Approximately 803,000 person records and 164,000 household records

2000 Mexico

  • 10.6 percent sample
  • Stratified cluster sample of enumeration areas or localities. Use of weights strongly advised.
  • Smallest identifiable geographic unit: federal entity
  • Includes Mexican and foreign residents, except foreign diplomats. Excludes persons in group quarters and migrants.
  • Approximately 10,099,000 person records and 2,312,000 household records

1960 United States

  • 1 percent sample
  • Stratified random sample of households
  • Smallest identifiable geographic unit: state
  • Includes total population
  • Approximately 1,780,000 person records and 579,000 household records

1970 United States

  • 1 percent sample (Note: Sample is not limited to metro areas)
  • Stratified random sample of households
  • Smallest identifiable geographic unit: metropolitan areas and counties groups totaling at least 250,000 population
  • Includes total population
  • Approximately 2,030,000 person records and 744,000 household records

1980 United States

  • 1 percent sample (Note: Sample is not limited to metro areas)
  • Stratified random sample of households
  • Smallest identifiable geographic unit: places with 100,000+ population
  • Includes total population
  • Approximately 2,267,000 person records and 942,000 household records

1990 United States

  • 1 percent sample
  • Stratified sample of households. Use of weights strongly advised.
  • Smallest identifiable geographic unit: places with 100,000+ population
  • Includes total population
  • Approximately 2,500,000 person records and 1,106,000 households

1989 Vietnam

  • 5 percent sample
  • Stratified systematic sample of enumeration areas. Use of weights strongly advised
  • Smallest identifiable geographic unit: province
  • Includes total population resident in Vietnam and those who were temporarily overseas on census day
  • Approximately 2,627,000 person records and 534,000 household records

1999 Vietnam

  • 3 percent sample
  • Stratified systematic sample of enumeration areas. Use of weights strongly advised
  • Smallest identifiable geographic unit: province
  • Includes total population resident in Vietnam and those who were temporarily overseas on census day
  • Approximately 2,368,000 person records and 534,000 household records