Africa Development Indicators. Detailed collection of data on Africa, containing over 1,600 indicators, covering 53 African countries from 1961.
AID Data. Microlevel aid data from around the world, articles on aid data from journals, and "aid data raw" which allows researchers to tabulate aid data by donor, recipient, and purpose for multiple years. Includes data visualization tools and geocoded data sets
AIDSInfo Online. From the Joint UN Programme on HIV/AIDS. Includes data and estimates on AIDS and HIV infections worldwide, and other associated variables, from the 1990's.
Data Planet. One-stop shopping to billions of data points from licensed and public domain datasets. Sources of data include local, state and international governments and organizations.
FAOSTAT. Extensive data on agriculture, food supply, food security, prices, commodities, forest products, and fisheries from the FAO.
Financial Tracking Services. Global database which records all reported international humanitarian aid (including that for NGOs and the Red Cross / Red Crescent Movement, bilateral aid, in-kind aid, and private donations. From the UN Office for Coordination of Humanitarian Affairs
Global Financial Inclusion Database. From the World Bank and Bill and Melinda Fatea Foundation. Database that measures how adults in 148 countries save, borrow, make payments and manage risk.
Human Development Report Statistics. Statistics from the United Nations Development Programme (UNDP). Links to the text of national human development reports from over 250 countries and regions.
Official Statistics on the Web. Access to social, economic and general data from official government sources. Includes statistical offices, central banks and government agencies. Features a good subject list.
OECD iLibrary. Leading International Organization for Foreign Aid data and many other indicators (primarily for OECD countries).
UN Data. Wide range of economic, social, cultural, and demographic indicators: population, environment, health, economics, technology, trade, refugees, and more.
Urbaninfo. Statistical data on urban indicators, human settlements, and city profiles worldwide from the United Nations Human Settlements Programme. Database is difficult to use, not all indicators listed are available for every geography.
U.S. Overseas Loans and Grants (Green Book). Loans and grants from the US government each fiscal year by purpose and country.
World Development Indicators. Time series data from 1960 for 207 countries in the areas of population, labour, education, economics, the environment and much more.
World Income Inequality Database. Information for over 140 countries on income inequalities at both cross-country and time series levels over the period 1950-98, with a focus on the period since 1980. See also the University of Texas Income Inequality Project.
World's Top Income Database. Top income share time series over the long-run for more than twenty countries to date, primarily from countries in Europe, North America and Developed Asia.