Census Census
Hamro Library
Hamro Library




Census is derived from the Latin word center, which means 'value' or 'tax'. In the old days, the census was taken to collect the data of taxpayers. Census is the official counting of population. Generally, it is conducted once in 5 years or 10 years. It is the primary method of data collection.

Features of Census:

  1. National data bank for age, sex, caste, religion, occupation and other dis-aggregated data.
  2. Conducted by government body only.
  3. With a fixed time interval(every 10 years).
  4. Data are based on individual counting.
  5. Based on de facto, de jure and modified de jure method.
  6. Conducted in a fixed period( up to two weeks) for de jure and modified de jure method.

Importance of census

  1. National data bank.
  2. The basis for demographic and other surveys.
  3. Availability of national-level data for socioeconomic planning
  4. Necessary for determining political demarcation.
  5. A most important source of population data and essential for demographic analysis.
  6. Useful in preparing life table
  7. Useful in population projection
  8. Source of internationally comparable data
  9. Needed for every sector of development
  10. Researchers, educators, NGOs use its data for their purpose.

Limitations of census

  1. Expensive task and needs a large number of manpower.
  2. Takes time to process the data and publication of the final monograph
  3. No current data for the intercensal period. In 2018 also, we are using 2011 census data.
  4. Poor quality and coverage errors in comparison to demographic surveys.
  5. Not in-depth and comprehensive
  6. Demographic data are available as in the survey.

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