Known for the Human Development Index, this annual study published by the United Nations Development Programme is a major source of statistics and ranking information by dozens of indicators such as child labor, literacy, cellular subscribers, arms transfers, economic activity, employment, GDP, mortality rate, life expectancy, and many more.

Useful site produced by the University of Auckland Library, New Zealand.

Produced by the U.S. Census Bureau, this simple page links to official statistical agencies for foreign governments.

Provides data on demographic and social statistics.