Most Powerful 7 Armies In The World | World’s 7 Strongest Armies 1. United States: Power Index: 0.2475 Defense Budget: $689,591,000,000 Active Military Personnel: 1,477,896 Labor Force: 153,600,000 Total Aircraft: 15,293 Total Naval Strength: 290 2. Russia: Power Index: 0.2618 Defense Budget: $64,000,000,000 Active Military Personnel: 1,200,000 Labor Force: 75,330,000…