According to Goldman Sachs By 2075, projections show that the largest economy would be China, followed by India and then the United States, and also emerging markets and populated countries like Indonesian and Nigeria, may also follow suit.
In other words, the current largest economy which is the United States would be dropped to third place by 2075.
This also shows the rise of Asia heading towards the next century.
Also African countries making the list shows a lot but with time every thing would be clear.