Recognizing that transparency and accountability are essential to development, the World Bank Group provides free access to its comprehensive set of data on living standards around the globe--some 2,000 indicators, including hundreds that go back 50 years. The data is available in Arabic, French, and Spanish in addition to English.

The 2019 Revision of World Population Prospects is the twenty-sixth round of official United Nations population estimates and projections that have been prepared by the Population Division of the Department of Economic and Social Affairs of the United Nations Secretariat.

UNdata is the United Nations Data Access System which provides access to current, relevant and reliable statistics. Some data goes back 60 years. The domains covered are agriculture, education, energy, industry, labour, national accounts, population and tourism. You can also find indicators such as Millennium Development Goals. UNdata also has links to a very large number of national data and statistics organizations and agencies.

Link to the Global Health Observatory.

National microdata set spanning 1960s to present, SPSS/SAS/STATA downloads.

This is a free resource from the German reinsurance company, Munich Re. It's main feature is the NatCatSERVICE natural catastrophe database, which is available after a free registration process.

Find data and create tables, charts, and maps with US and international population data.

Along with the World Bank, this is the world's other major international financial organization.

Good Publications and Statistics sections.

US Census Bureau with links to census data. For demographic information, look at Population and Household Economic Topics or use the American Factfinder. For a simpler, but less complete, source of US statistics, try Easy Stats

The International Programs Center (IPC), part of the Population Division of the U.S. Census Bureau, conducts demographic and socioeconomic studies and strengthens statistical development around the world.

Site of a number of Population Databases and Datasets

This publication provides a set of country profiles showing the current situation and recent trends in population, resources, environment and development indicators, based on PRED Bank database, version 4 (2005).