15 Largest Economies in the World Ranked by 2015 PPP

14. Saudi Arabia

Projected 2015 GDP growth: 3.4%
GDP based on PPP valuation (in billions of dollars): 1,681.2

From an agriculture-based subsistence economy in the 1930’s, Saudi Arabia has transformed to be one of the wealthiest in the world. With a command economy that is primarily oil-based, Saudi Arabia is still projected to have the 14th largest economy in the world. The country has the second-largest proven oil reserves in the world, and the petroleum industry accounts for at least 92% of budget revenues.

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