1. United States
The American GDP is at $13.812 trillion, making it the world's largest economy. It accounts for more than 25 per cent of the entire world's GDP!
In terms of purchasing power parity too, the United States is the world's leading economy.
However, its per capita income at $46,040, per year, pegs it at the 15th spot in the world.
Image: The annual Christmas tree outside the New York Stock Exchange. | Photograph: Mario Tama/Getty Images
Also read:
World's 8 biggest stock exchanges