U.S. Census Bureau. "...offers a variety of demographic indicators for 224 countries and areas of the world. The IDB has provided access to demographic data for over 25 years to governments, academics, other organizations, and the public. It is funded by organizations that sponsor the research of the Census Bureau's International Programs Center."
"...find official statistics produced by countries and compiled by United Nations data system, as well as estimates and projections. The domains covered are agriculture, education, energy, industry, labour, national accounts, population and tourism."
1960-present. Provides direct access to more than 900 development indicators, with time series data for more than 200 countries and 18 country groupings. Data includes social, economic, financial, natural resources, and environmental indicators. Updated monthly. Export to Excel and CSV.