The G-20's ranks include all members of the Group of Seven (G-7), a forum of the seven countries with the world's largest developed economies: France, Germany, Italy, Japan, the United States, the United Kingdom, and Canada. Formed in 1975, the G-7 meets annually on international issues, including economic and monetary matters. And where the G-7 exclusively comprises developed countries, many of the additional 11 nations(Turkey, Argentina, Australia, Brazil, PRC, Indonesia, India, Russia, Mexico, South Korea, South Africa, Saudi Arabia) and European Union (EU) that make up the G-20 are drawn from those with developing economies. Indeed, having a forum at which developed and emerging nations could confer was part of the impetus for creating the G-20. Established in 1999 after a series of major international debt crises, the G20 aims to unite world leaders around shared economic, political and health challenges. Collectively, its members represent more than 80 percent of the world’s gross domestic product.