The World Development Indicators (WDI) is the World Bank’s premier compilation of international statistics on global development. Drawing from officially recognized sources and including national, regional, and global estimates, the WDI provides access to almost 1,600 indicators for 217 economies, with some time series extending back more than 50 years.
Please click here to know more about the online guide: http://blogs.worldbank.org/opendata/introducing-online-guide-world-development-indicators-new-way-discover-data-development
Image: The World Bank