CENSUS MICRODATA : THAILAND

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CENSUS MICRODATA THAILAND
by
PAKAMAS RATTANALANGKARN
NATIONAL STATISTICAL OFFICE
Thailand National Statistical Office
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Presentation Outline
1. History of Census Taking 2. Census
Coverage 3. Major Concepts 4. Census
Methodology 5. Census Microdata 6.
Documents Entrusted to IPUMS 7. Microdata
Harmonization
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1. History of Census Taking
Time Year
Organization
1-5 6 7 8 9 10
1909, 1919, 1929, 1937, 1947 1960
(Pop.) 1970 1980 1990 2000
Ministry of Interior
NSO
Pop. House
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Population of Thailand, 1909 - 2000
Census Census Date
Population (Million)
1 2 3 4 5 6 7 8 9 10
1 Sep. 1909 15 July 1919 15 July 1929 23 May
1937 24 May 1947 25 April 1960 1 April 1970
1 April 1980 1 April 1990 1 April 2000
8.1 9.2 11.5 14.5 17.4 26.2 34.4 44.8 54.5 60.
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2. Census Coverage

• All Thai people at the Census Date (1
  April).
• Persons having usual residence in Thailand.
• Thai diplomatic personnel and family
  stationed abroad.
• Foreign civilian having usual residence in
  Thailand.

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3. Major Concepts

• Census approach De jure, except students
  de facto

• Census date 1 April
• Field work period April
• Enumeration unit Household
• Method of data collection Face - to - face
  
  interview

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4. Census Methodology

• Listing Form enumerated all type of
  households

Preliminary Report

• Enumeration Form, has 2 types Short
  Form enumerated all households Long
  Form enumerated sample private
  households, all collective
  households

1 sample file
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4. Census Methodology (Contd.)
- Post Enumeration Survey (PES)

• To determine the completeness and accuracy

• Coverage error
• Content error

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5. Census Microdata

• Approximately 1 sample file.
• Selected from households with Long Form
  questionnaires.
• Sample Design Stratified two state
  sampling
• PSU enumeration district
• SSU household

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6. Documents Entrusted to IPUMS

• Enumeration Form Short Form and Long
  Form
• Instruction to Enumerators
• Dictionary for Microdata
• Administrative Geography Code
• Input Format

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7. Microdata Harmonization
7.1 Structure Population File and Housing File

• Population File consisted of
• Geography and internal migration
• Household and family structure
• Demography and social
• Fertility and mortality
• etc.

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7. Microdata Harmonization (Contd.)
7.1 Structure Population File and Housing
File (Contd.)

• Housing File consisted of
• Living quarters
• Building
• Facilities
• Household variables
• etc.

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7. Microdata Harmonization (Contd.)
7.2 Harmonization

• Coverage of Thailand censuses, not change
• Concepts and definitions of the same
  questions, not change, some questions
  adjusted to have a more completeness and
  appropriate with the times.

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7. Microdata Harmonization (Contd.)
7.2 Harmonization (Contd.)

• Some questions were deleted or added,
  depended on the appropriate situations.
• Adopted the classification of working
  status, occupation and industry by
  international standards.

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