- 2002 Revision of the World Population Estimates and Projections
These estimates and projections provide the standard set of population figures that are used throughout the United Nations system. An easy-to-use interface allows you to create custom data tables.
- ESCAP Population Data Sheets
Issued annually, the ESCAP Population Data Sheet provides population and development indicators of countries in the Asian and Pacific region. From the United Nations Economic and Social Commission for Asia and the Pacific.
- FAOSTAT

Search the POPULATION domain to find current data and projections. From the Food and Agricultural Organization of the United Nations.
- International Data Base (IDB)
Database containing statistical tables of demographic, and socio-economic data for 227 countries and areas of the world. Provides information dating back as far as 1950 and as far ahead as 2050. From the U.S. Census Bureau's International Programs Center.
- International Labour Migration Database
Provides information on various aspects and dimensions of migration, as well as on its impact on the labor markets of origin and destination countries. From the International Labour Organization.
- OECD Demography and Population Statistics
The Organisation for Economic Co-operation and Development member countries' populations, 1988-2003.
- State of World Population Indicators
Find data for more than forty demographic and socioeconomic variables by region, subregion, and country. From the United Nations Population Fund.
- United Nations Economic Commission for Europe: Population Statistics
Basic demographic data and indicators on the countries of Central and Eastern Europe, including all the members of the Commonwealth of Independent States. The data collection has been progressively expanded in order to include a large number of Western European countries, 52 in all.
- World Population Trends
Provides data on fertility, mortality, family planning, population policies, and world population estimates and projections. From the United Nations Population Division.