The link to The Conversation below, provides a useful summary of the G20 and its member economies, e.g.
The G20 economies represent 65% of the world’s population, 79% of world trade, 84% of the world economy and 77% of world carbon emissions.
Australia rates number 3 in GDP per capita based on purchasing power parity.
As a percentage of GDP, Australia has a relatively low level of debt compared to other G20 economies.
Along with Canada,UK and Germany, we are the only G20 economies with a AAA credit rating.
Australia and Canada have the lowest corruption rating amongst the G20 countries.
John Menadue.
http://theconversation.com/
John Menadue is the Founder of Pearls and Irritations and a board member. He was formerly the Editor-in-Chief. John was the Secretary of the Department of Prime Minister and Cabinet under Gough Whitlam and Malcolm Fraser, Ambassador to Japan, Secretary of the Department of Immigration and CEO of Qantas.