Founding
The WBG came into formal existence on 27 December 1946 following international ratification of the Bretton Woods agreements, which emerged from the United Nations Monetary and Financial Conference

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All of the 193 UN members and Kosovo that are WBG members participate at a minimum in the IBRD. As of May 2016, all of them also participate in some of the other four organizations (IDA, IFC, MIGA, and ICSID).
WBG members by the

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Together with four affiliated agencies created between 1957 and 1988, the IBRD is part of the World Bank Group. The Group's headquarters are in Washington, D.C.It is an international organization owned by member governments; although it makes profits, they are

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• Eugene Meyer (18 June 1946 – 4 December 1946)
• John J. McCloy (17 March 1947 – 1 July 1949)
• Eugene R. Black, Sr. (1 July 1949 – 1 January 1963)
• George D. Woods (1 January 1963 – 1 April 1968)

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• Hollis B. Chenery (1972–1982)
• Anne Osborn Krueger (1982–1986)
• Stanley Fischer (1988–1990)
• Lawrence Summers (1991–1993)

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• Christopher Willoughby, Successively Unit Chief, Division Chief, and Department Director for Operations Evaluation (1970–1976)

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The World Bank has long been criticizedby a range of non-governmental organizations and academics, notably including its former Chief

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