India ($2.597 tr) was on the 6th position in 2017, ahead of just France ($2.582 tr). But the latest data suggests India was in fact the fifth-largest economy at $2.65 tr, while the UK’s GDP was at $2.64 tr, followed by France at $2.5 tr in 2017. The United States ($20.49 tr), China ($13.6 tr) and Japan ($5 tr) are the three largest economies in the world, according to the data.