Rajeesh Kumar replies: The Group of Twenty (G20) is an informal grouping of the world's largest 20 economies. It accounts for nearly 80 per cent of the world GDP, 75 per cent of global trade, and 60 per cent of the world population and has become one of the most prominent multilateral groupings in contemporary global politics. India took over the G20 Presidency from Indonesia on 01 December 2022.