The past 70 years have seen major changes in the world economy. Over that time, the World Bank Group—the world’s largest development institution—has worked to help more than 100 developing countries and countries in transition adjust to these changes by offering loans and tailored knowledge and advice. The Bank Group works with country governments, the private sector, civil society organizations, regional development banks, think tanks, and other international institutions on issues ranging from climate change, conflict, and food security to education, agriculture, finance, and trade. All of these efforts support the Bank Group’s twin goals of ending extreme poverty by 2030 and boosting shared prosperity of the poorest 40 percent of the population in all countries.

Founded in 1944, the International Bank for Reconstruction and Development—soon called the World Bank—has expanded to a closely associated group of five development institutions. Originally, its loans helped rebuild countries devastated by World War II. In time, the focus shifted from reconstruction to development, with a heavy emphasis on infrastructure such as dams, electrical grids, irrigation systems, and roads. With the founding of the International Finance Corporation in 1956, the institution became able to lend to private companies and financial institutions in developing countries. And the founding of the International Development Association in 1960 put greater emphasis on the poorest countries, part of a steady shift toward the eradication of poverty becoming the Bank Group’s primary goal. The subsequent launch of the International Centre for Settlement of Investment Disputes and the Multilateral Investment Guarantee Agency further rounded out the Bank Group’s ability to connect global financial resources to the needs of developing countries.

Today the Bank Group’s work touches nearly every sector that is important to fighting poverty, supporting economic growth, and ensuring sustainable gains in the quality of people’s lives in developing countries. While sound project selection and design remain paramount, the Bank Group recognizes a wide range of factors that are critical to success—effective institutions, sound policies, continuous learning through evaluation and knowledge-sharing, and partnership, including with the private sector. The Bank Group has long-standing relationships with more than 180 member countries, and it taps these to address development challenges that are increasingly global. On critical issues like climate change, pandemics, and forced migration, the Bank Group plays a leading role because it is able to convene discussion among its country members and a wide array of partners. It can help address crises while building the foundations for longer-term, sustainable development.

The evolution of the Bank Group has also been reflected in the diversity of its multidisciplinary staff, who include economists, public policy experts, sector experts, and social scientists, based at headquarters in Washington, D.C., and in the field. Today, more than a third of staff are based in country offices.

As demand for its services has increased over time, the Bank Group has risen to meet them. For perspective, the World Bank made four loans totaling $497 million in 1947, as compared to 302 commitments totaling $60 billion in 2015.
http://www.worldbank.org/en/about/history

The World Bank Group is one of the world’s largest sources of funding and knowledge for developing countries. Its five institutions share a commitment to reducing poverty, increasing shared prosperity, and promoting sustainable development.

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IBRD

The International Bank for Reconstruction and Development
IDA

The International Development Association
IFC

The International Finance Corporation
MIGA

The Multilateral Investment Guarantee Agency
ICSID

The International Centre for Settlement of Investment Disputes
Partnering With Governments

Together, IBRD and IDA form the World Bank, which provides financing, policy advice, and technical assistance to governments of developing countries. IDA focuses on the world’s poorest countries, while IBRD assists middle-income and creditworthy poorer countries.
Partnering With The Private Sector

IFC, MIGA, and ICSID focus on strengthening the private sector in developing countries. Through these institutions, the World Bank Group provides financing, technical assistance, political risk insurance, and settlement of disputes to private enterprises, including financial institutions.
One World Bank Group

While our five institutions have their own country membership, governing boards, and articles of agreement, we work as one to serve our partner countries. Today’s development challenges can only be met if the private sector is part of the solution. But the public sector sets the groundwork to enable private investment and allow it to thrive. The complementary roles of our institutions give the World Bank Group a unique ability to connect global financial resources, knowledge, and innovative solutions to the needs of developing countries.

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The organizations that make up the World Bank Group are owned by the governments of member nations, which have the ultimate decision-making power within the organizations on all matters, including policy, financial or membership issues.

Member countries govern the World Bank Group through the Boards of Governors and the Boards of Executive Directors. These bodies make all major decisions for the organizations.

To become a member of the Bank, under the IBRD Articles of Agreement, a country must first join the International Monetary Fund (IMF). Membership in IDA, IFC and MIGA are conditional on membership in IBRD.

In tandem with the IMF, and in consultation with other World Bank Group staff, the Corporate Secretariat Vice Presidency coordinates the process for new membership and maintains the information relating to the status of membership which includes the membership lists.

Browse by Organization
IBRD IDA IFC MIGA ICSID
International Bank for Reconstruction and Development
189 countries
Country / Date of Membership
Afghanistan, Jul 14, 1995
Albania, Oct 15, 1991
Algeria, Sep 26, 1963
Angola, Sep 19, 1989
Antigua and Barbuda, Sep 22, 1983
Argentina, Sep 20, 1956
Armenia, Sep 16, 1992
Australia, Aug 5, 1947
Austria, Aug 27, 1948
Azerbaijan, Sep 18, 1992
Bahamas, The Aug 21, 1973
Bahrain, Sep 15, 1972
Bangladesh, Aug 17, 1972
Barbados, Sep 12, 1974
Belarus, Jul 10, 1992
Belgium, Dec 27, 1945
Belize, Mar 19, 1982
Benin, Jul 10, 1963
Bhutan, Sep 28, 1981
Bolivia, Dec 27, 1945
Bosnia and Herzegovina, Feb 25, 1993
Botswana, Jul 24, 1968
Brazil, Jan 14, 1946
Brunei Darussalam, Oct 10, 1995
Bulgaria, Sep 25, 1990
Burkina Faso, May 2, 1963
Burundi, Sep 28, 1963
Cabo Verde, Nov 20, 1978
Cambodia, Jul 22, 1970
Cameroon, Jul 10, 1963
Canada, Dec 27, 1945
Central African Republic, Jul 10, 1963
Chad, Jul 10, 1963
Chile, Dec 31, 1945
China, Dec 27, 1945
Colombia, Dec 24, 1946
Comoros, Oct 28, 1976
Congo, Democratic Republic of, Sep 28, 1963
Congo, Republic of, Jul 10, 1963
Costa Rica, Jan 8, 1946
Cote d'Ivoire, Mar 11, 1963
Croatia, Feb 25, 1993
Cyprus, Dec 21, 1961
Czech Republic, Jan 1, 1993
Denmark, Mar 30, 1946
Djibouti, Oct 1, 1980
Dominica, Sep 29, 1980
Dominican Republic, Sep 18, 1961
Ecuador, Dec 28, 1945
Egypt, Arab Republic of, Dec 27, 1945
El Salvador, Mar 14, 1946
Equatorial Guinea, Jul 1, 1970
Eritrea, Jul 6, 1994
Estonia, Jun 23, 1992
Ethiopia, Dec 27, 1945
Fiji, May 28, 1971
Finland, Jan 14, 1948
France, Dec 27, 1945
Gabon, Sep 10, 1963
Gambia, The, Oct 18, 1967
Georgia, Aug 7, 1992
Germany, Aug 14, 1952
Ghana, Sep 20, 1957
Greece, Dec 27, 1945
Grenada, Aug 27, 1975
Guatemala, Dec 28, 1945
Guinea, Sep 28, 1963
Guinea-Bissau, Mar 24, 1977
Guyana, Sep 26, 1966
Haiti, Sep 8, 1953
Honduras, Dec 27, 1945
Hungary, Jul 7, 1982
Iceland, Dec 27, 1945
India, Dec 27, 1945
Indonesia, Apr 13, 1967
Iran, Islamic Republic of, Dec 29, 1945
Iraq, Dec 27, 1945
Ireland, Aug 8, 1957
Israel, Jul 12, 1954
Italy, Mar 27, 1947
Jamaica, Feb 21, 1963
Japan, Aug 13, 1952
Jordan, Aug 29, 1952
Kazakhstan, Jul 23, 1992
Kenya, Feb 3, 1964
Kiribati, Sep 29, 1986
Korea, Republic of, Aug 26, 1955
Kosovo, Jun 29, 2009
Kuwait, Sep 13, 1962
Kyrgyz Republic, Sep 18, 1992
Lao People's Democratic Republic, Jul 5, 1961
Latvia, Aug 11, 1992
Lebanon, Apr 14, 1947
Lesotho, Jul 25, 1968

Country / Date of Membership
Liberia, Mar 28, 1962
Libya, Sep 17, 1958
Lithuania, Jul 6, 1992
Luxembourg, Dec 27, 1945
Macedonia, FYR of, Feb 25, 1993
Madagascar, Sep 25, 1963
Malawi, Jul 19, 1965
Malaysia, Mar 7, 1958
Maldives, Jan 13, 1978
Mali, Sep 27, 1963
Malta, Sep 26, 1983
Marshall Islands, May 21, 1992
Mauritania, Sep 10, 1963
Mauritius, Sep 23, 1968
Mexico, Dec 31, 1945
Micronesia, Federated States of, Jun 24, 1993
Moldova, Aug 12, 1992
Mongolia, Feb 14, 1991
Montenegro, Jan 18, 2007
Morocco, Apr 25, 1958
Mozambique, Sep 24, 1984
Myanmar, Jan 3, 1952
Namibia, Sep 25, 1990
Nauru, Apr 12, 2016
Nepal, Sep 6, 1961
Netherlands, Dec 27, 1945
New Zealand, Aug 31, 1961
Nicaragua, Mar 14, 1946
Niger, Apr 24, 1963
Nigeria, Mar 30, 1961
Norway, Dec 27, 1945
Oman, Dec 23, 1971
Pakistan, Jul 11, 1950
Palau, Dec 16, 1997
Panama, Mar 14, 1946
Papua New Guinea, Oct 9, 1975
Paraguay, Dec 28, 1945
Peru, Dec 31, 1945
Philippines, Dec 27, 1945
Poland, Jun 27, 1986
Portugal, Mar 29, 1961
Qatar, Sep 25, 1972
Romania, Dec 15, 1972
Russian Federation, Jun 16, 1992
Rwanda, Sep 30, 1963
Samoa, Jun 28, 1974
San Marino, Sep 21, 2000
Sao Tome and Principe, Sep 30, 1977
Saudi Arabia, Aug 26, 1957
Senegal, Aug 31, 1962
Serbia, Feb 25, 1993
Seychelles, Sep 29, 1980
Sierra Leone, Sep 10, 1962
Singapore, Aug 3, 1966
Slovak Republic, Jan 1, 1993
Slovenia, Feb 25, 1993
Solomon Islands, Sep 22, 1978
Somalia, Aug 31, 1962
South Africa, Dec 27, 1945
South Sudan, Apr 18, 2012
Spain, Sep 15, 1958
Sri Lanka, Aug 29, 1950
St. Kitts and Nevis, Aug 15, 1984
St. Lucia, Jun 27, 1980
St. Vincent and the Grenadines, Aug 31, 1982
Sudan, Sep 5, 1957
Suriname, Jun 27, 1978
Swaziland, Sep 22, 1969
Sweden, Aug 31, 1951
Switzerland, May 29, 1992
Syrian Arab Republic, Apr 10, 1947
Tajikistan, Jun 4, 1993
Tanzania, Sep 10, 1962
Thailand, May 3, 1949
Timor-Leste, Jul 23, 2002
Togo, Aug 1, 1962
Tonga, Sep 13, 1985
Trinidad and Tobago, Sep 16, 1963
Tunisia, Apr 14, 1958
Turkey, Mar 11, 1947
Turkmenistan, Sep 22, 1992
Tuvalu, Jun 24, 2010
Uganda, Sep 27, 1963
Ukraine, Sep 3, 1992
United Arab Emirates, Sep 22, 1972
United Kingdom, Dec 27, 1945
United States, Dec 27, 1945
Uruguay, Mar 11, 1946
Uzbekistan, Sep 21, 1992
Vanuatu, Sep 28, 1981
Venezuela, Republica Bolivariana de, Dec 30, 1946
Vietnam, Sep 21, 1956
Yemen, Republic of, Oct 3, 1969
Zambia, Sep 23, 1965
Zimbabwe, Sep 29, 1980