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Source Information


Last updated on IDB: June 2009
Base Population
Item Base year Data source Data collection years Notes Ref. No.
Base Population 1991 census 1991 Census population adjusted to be consistent with estimated fertility and mortality, smoothed, and moved to midyear. 1

Latest Data Used in the Estimates and Projections
Item Reference years Data source Data collection years Notes Ref. No.
Population 2001 census 2001 Census population data by age and sex used to evaluate the estimates and projections. 2
Fertility 2006 official estimate 2006 Direct estimates of age-specific fertility rates. 3, 4
Mortality 2007 official estimate 2007 Direct estimates of infant mortality, by sex, and Coale-Demeny West model life tables. 5
Migration 2005 refugee statistics 2005 Based on the change in refugee stock estimates between two consecutive years. 6

Ref. No. Citations
1 Registrar General, India. 1992. Census of India 1991: Final Population Totals. Series-1, Volume 1, Number 1. New Delhi.
2 Registrar General, India. 2001. Sex Composition of the Population, Provisional Population Totals, Chapter 6, Census of India 2001, Series 1, India, Paper 1 of 2001.
3 National Informatics Center. 2006. Estimated Age Specific Fertility Rates for India. Accessed at <http://hphealth.nic.in/agefert.html>.
4 International Institute for Population Studies and Opinion Research Corporation Macro. 2007. National Family Health Survey (NFHS-3) 2005-06 India. Mumbai: International Institute for Population Studies.
5 Registrar General, India. 2008. "Table 4: Infant mortality rate by sex and residence, 2007." SRS-Bulletin. Volume 43 Number 1. New Delhi.
6 United Nations High Commissioner for Refugees. 2005. Country Data Sheet: India 2005. Geneva.

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Source: U.S. Census Bureau | International Programs | International Data Base | Version: 12.03.21
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