25 Largest Economies in the World by 2100

3. United States

Projected Share in the Global GDP (2100): 11.38%

Population Forecast (2100): 394 Million

The United States will be one of the largest countries by 2100. The country is projected to contribute 11.38% to the global economy by 2100 while its GDP is expected to surpass $51 trillion.

2. India

Projected Share in the Global GDP (2100): 15.61%

Population Forecast (2100): 1.60 Billion

India will be the second-largest economy in the world by 2100. The country will share 15.61% of the total global GDP in 2100, with its GDP projected to cross $70 trillion.

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