10 Largest Economies in the World Ranked by PPP

2. United States

GDP (PPP): $25.47 trillion

The United States is the largest economy in the world in terms of nominal GDP, but ranks below China when it comes to PPP. Despite that, currently the U.S. dominates the global economic order and remains the most influential power in the world. The U.S. Dollar is the most powerful currency in the world, accounting for nearly 85% of all daily forex trade. In addition to this, 59% of all foreign reserves in central banks across the world are maintained in the greenback.