Odločitev, v kateri izmed 19+EU držav bo vsakoletno srečanje, je odvisna od pripadnosti eni izmed pet skupin po širištiri državdržave:<ref>{{cite news |url=http://www.cigionline.org/publications/2010/11/future-g20-process |title=The Future of the G20 Process |publisher=[[Centre for International Governance Innovation]] |first=Barry |last=Carin |date=4.11.2010 |archive-url=https://web.archive.org/web/20120415001621/https://www.cigionline.org/publications/2010/11/future-g20-process |archive-date=15.4.2012 |accessdate=19.10.2011}}</ref>
