World Bank research has compiled a large number of datasets from official statistical systems organized and financed by national governments. Free sources of data can be retrieved by searching for research topics such as:
Datasets include: A Cross-country Database for Sector Investment and Capital (Agriculture); Infrastructure Economic Performance (Environment); Infrastructure Economic Performance (Environment); Database on Entrepreneurship (Finance); Data on Access to Financial Services (Finance); Bank Regulation and Supervision Database (Finance); Poverty and Health Dataset (Human Development); Living Standards Measurement Study; World Development Indicators (Trade). Analytical tools include: ADePT - platform for automated economic analysis; PovCalNet: Calculate measurements of poverty; Povety Analysis Toolkit ; Software for Poverty Mapping
The site also links to World Bank Open Data - a Data Catalog and portal providing download access to over 2,000 indicators from World Bank data sources.
Freely available data on internet.