G 20

Collectively, the G-20 economies comprise 85% of global gross national product, 80% of world trade (including EU intra-trade) and two-thirds of the world population.
The G-20 is a forum for cooperation and consultation on matters pertaining to the international financial system. It studies, reviews, and promotes discussion among key industrial and emerging market countries of policy issues pertaining to the promotion of international financial stability, and seeks to address issues that go beyond the responsibilities of any one organization.


Organization
The G-20 operates without a permanent secretariat or staff.

The chair rotates annually among the members and is selected from a different regional grouping of countries. The chair is part of a revolving three-member management group of past, present and future chairs referred to as the Troika.The incumbent chair establishes a temporary secretariat for the duration of its term, which coordinates the group's work and organizes its meetings. The role of the Troika is to ensure continuity in the G-20's work and management across host years.
Members of G-20
In 2009, there are 20 members of the G-20.

The organization states:
Of the current top 21 economies by purchasing power parity (IMF and/or World Bank ranking, 2007), Iran and Taiwan are notably absent. Spain, Netherlands and Poland are included only as part of the EU.Saudi Arabia, Argentina, and South Africa are included while ranking in the range of 21-25. Thailand is passed over although ranked one position above South Africa.
History
The G-20, which superseded the G33, which had itself superseded the G22, was foreshadowed at the Cologne Summit of the G7 in June 1999, but was formally established at the G7 Finance Ministers' meeting on September 26, 1999.

In 2008 Spain and The Netherlands were included by French invitation for the G-20 Leaders Summit on Financial Markets and the World Economy and then were admitted as members de facto by the UK.
Since 2006


G20 Leaders Summit on Financial Markets and the World Economy in Washington, D.C. The issues discussed included domestic reforms to achieve “sustained growth”, global energy and resource commodity markets, ‘reform’ of the World Bank and IMF, and the impact of demographic changes due to an aging population.
Trevor A.Manuel, MP, Minister of Finance, Republic of South Africa, was the chairperson of the G-20 when South Africa hosted the Secretariat in 2007. Guido Mantega, Minister of Finance, Brazil, was the chairperson of the G-20 in 2008; Brazil proposed dialogue on competition in financial markets, clean energy and economic development and fiscal elements of growth and development.

In a statement following a meeting of G7 finance ministers on October 11, 2008, U.S.