3. United States — 1,281,900 active personnel
Total population: 326,625,791
Manpower available: 145,215,000
Total military personnel: 2,083,100
Active personnel: 1,281,900
Reserve personnel: 801,200
Fit-for-service: 120,025,000
Reaching military age: 4,220,000
Overall military rank: No. 1
