The military is the power to protect their land and outside that, it keeps control inside the country. Humans have been on earth for thousands of years with war and blood for land, empire and freedom. Today’s generation developed with rules and regulation with many agreements between the countries to avoid Wars and stay peaceful. As you know China takes first place and India in Second Position on Manpower available for Military Purpose. The Report below with both Male and Female Adults are eligible and above 16 and below 49 years old to serve in Army Services.
| Rank | Countries | Males age 16-49 | Females age 16-49 | Total Manpower | Year of Estimation |
|---|---|---|---|---|---|
| 1 | China | 318,265,016 | 300,323,611 | 618,588,627 | (2010 est.) |
| 2 | India | 249,531,562 | 240,039,958 | 489,571,520 | (2010 est.) |
| 3 | United States | 60,620,143 | 59,401,941 | 120,022,084 | (2010 est.) |
| 4 | Indonesia | 54,264,299 | 53,274,361 | 107,538,660 | (2010 est.) |
| 5 | Brazil | 38,993,989 | 44,841,661 | 83,835,650 | (2010 est.) |
| 6 | Pakistan | 37,945,440 | 37,381,549 | 75,326,989 | (2010 est.) |
| 7 | Bangladesh | 23,239,866 | 25,642,549 | 48,882,415 | (2010 est.) |
| 8 | Mexico | 20,431,035 | 26,381,518 | 46,812,553 | (2010 est.) |
| 9 | Russia | 22,390,431 | 21,540,322 | 43,930,753 | (2010 est.) |
| 10 | japan | 20,142,940 | 21,427,792 | 41,570,732 | (2010 est.) |
| 11 | Philippines | 20,405,847 | 21,098,102 | 41,503,949 | (2010 est.) |
| 12 | Vietnam | 20,839,976 | 19,867,683 | 40,707,659 | (2010 est.) |
| 13 | Nigeria | 17,664,510 | 17,340,816 | 35,005,326 | (2010 est.) |