Written by World Bank
5 April 2017
World development indicators (WDI) is the World Bank s premier compilation of cross-country comparable data on development. The WDI is a compilation of relevant, high-quality, and internationally comparable statistics about global development and the fight against poverty. Infrastructure Access data are compiled from such sources as the International Road Federation, Containerisation International, the International Civil Aviation Organization, the International Energy Association, and the International Telecommunications Union.