World DataBank This link opens in a new windowUse World Development Indicators (WDI) for sophisticated data retrieval and presentation, charting and mapping, and exporting of data. WDI is arranged in six sections: world view, people, environment, economy, states and markets, and global links. Contains more than 850 indicators, 209 countries, 18 groups, and over 40 years (1960 to 2007) of data, where data are available. The tables cover 209 economies and 18 country groups with basic indicators for a further 62 economies.