The G-20 (Group of 20) is a group consisting of 19 of the world's largest economies, together with the European Union. The G-20 was formed as a new 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.