20.34 trillion U.S. dollars are combine GDP of them and They are still growing with 41.53% of the world population.So brics will make their own economy
Maybe Rusia and China are powerful enough. The others highly doubt: Brazil India and south Africa
by Jim O’Neill (Former Goldman Sachs Chairman)“The Group of Seven has become increasingly irrelevant in a world of new emerging powers,”
Why the G7 is a zero
https://www.fnlondon.com/articles/jim-oneill-why-the-g7-is-a-zero-20180612