A malitere G20 na 1999 ma mejupụtara Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Republic of Korea, Russia, Saudi Arabia, South Africa, Turkey, United Kingdom, United States na European Union (EU).
Tupu ntiwapụ nke nsogbu ego zuru ụwa ọnụ na 2008, a na-enwe nzukọ G20 nke Minista ego na ndị isi ụlọ akụ Central Bank iji kwurịta amụma ego na ego nke mba ụwa, mgbanwe nke ụlọ ọrụ ego mba ụwa na mmepe akụ na ụba ụwa. Emere ọgbakọ ndị isi nke mbụ G1 na 20. Na Septemba 2008, Mgbakọ Pittsburgh kwupụtara G2009 dị ka ọgbakọ izizi maka mmekorita akụ na ụba mba ụwa, na-egosi ọganihu dị mkpa na mgbanwe ọchịchị akụ na ụba ụwa. Emere Summit nke iri na Antalya, Turkey na Nọvemba, 20.
Ụfọdụ mba ndị ọbịa na United Nations, International Monetary Fund, World Bank, World Trade Organisation, Financial Stability Board, International Labour Organisation, Organisation for Economic Co-operation and Development (OECD) ka a kpọkwara òkù ịbịa nzukọ G20.
Otu njikọ aka dị ka B20, L20, T20 na-ezukọkwa iji kwado ndụmọdụ amụma maka Mgbakọ G20 n'ime afọ.
A ga-enwe nnọkọ G11 nke iri na otu na Hangzhou, Zhejiang, China na Septemba 20 na 4. Ndị isi na-esote sitere na ndị òtù G5, mba ndị ọbịa na ndị otu mba ụwa ga-aga nzukọ ahụ na òkù nke President Xi Jinping: Onye isi ala Mauricio Macri nke Argentina, onye ndu Brazil, President Francois Hollande nke France, President Joko Widodo nke Indonesia, President Park Rén-Putin, Onye isi ala nke Mexico, Vladimir Putin, President Park Rén-Putin. nke Russia, Onye isi ala Jacob Zuma nke South Africa, Onye isi ala Recep Tayyip Erdogan nke Turkey, Onye isi ala Barack Obama nke US, Prime Minister Malcolm Turnbull nke Australia, Prime Minister Justin Trudeau nke Canada, Chancellor Angela Merkel nke Germany, Prime Minista Narendra Modi nke India, Prime Minista Matteo Renzi nke Italy, Prime Minista Shinzo Abe nke Japan, Prime Minista Theresa May nke UK, Onye isi oche Donald, European Council, Jean-Press Commissioner, Onye isi oche nke European Council Jean-Crüd. Onye isi ala, onye isi oche nke abụọ na Minista nchekwa Muhammad bin Salman Al Saud nke Saudi Arabia, Onye isi ala Idriss Deby nke Chad, Onye isi ala Abdel Fatah al-Sesi nke Egypt, Onye isi ala Nursultan Nazarbayev nke Kazakhstan, Onye isi ala Bounnhang Vorachith nke Laos, Onye isi ala Macky Sall nke Senegal, Prime Minista Lee Hsien Loong nke Singapore, Prime Minister nke Thailand, Prime Minister nke Thailand, Mariano Rajyut, odeakwụkwọ ukwu UN, Mariano Rajyut. Ki-moon, Onye isi oche Bank World Bank Jim Yong Kim, Onye isi nchịkwa IMF Christine Lagarde, Onye isi WTO Roberto Azevedo, Director-General Guy Ryder nke International Labour Organisation, President Mark Carney nke Financial Stability Board, Secretary General Angel Gurria nke OECD, wdg.
Na Bochum nke 2016 G20 HANGZHOU SUMMIT, China CNC rawụta ụlọ ọrụ ga-abanye a ogbo nke ngwa ngwa mmepe, CNC rawụta technology ga-adịwanye elu, CNC rawụta price ga-abụ ihe ọnụ, ya mere, 2016 G20 HANGZHOU SUMMIT ga-ikwado mbupụ azụmahịa nke CNC rawụta si China na ụwa.
2016 G20 HANGZHOU SUMMIT
America - Barack Hussein Obama
Ịtali - Matteo Renzi
Kazakhstan - Nursultan Abishevich Nazarbayev
Turkey - Recep Tayyip Erdogan
Indonesia - Joko Widodo
Brazil - Michel Temer
Argentina - Mauricio Macri
Singapore - Lee Hsien Loong
Senegal - Macky Sall
Laos - Boungnang Vorachith
United Kingdom - Theresa Mary May
Japan - Shinzo Abe
Korea - Park Geun-hye
Russia - Владимир Владимирович Путин
Germany - Angela Dorothea Merkel
South Africa - Jacob Zuma
Egypt - Abdel Fattah al Sisi
Chad - Idriss Deby
Saudi Arabia - Mohamed
Canada - Justin Trudeau
Spain - Mariano Rajoy
Thailand - Prayuth Chan-ocha
Mexico - Enrique Peña Nieto
2016 G20 SUMMIT
