The World Bank
The World Bank
Data
WDI 2012

The primary World Bank collection of development indicators, compiled from officially-recognized international sources. It presents the most current and accurate global development data available, and includes national, regional and global estimates.

WDI
Global
Annual
Developing and high-income economies
216
1960
2011
National
Four times a year in April, July, September and December
April 17, 2012
July 1, 2012
World Development Indicators, The World Bank
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