| Century | Millitary personnel (peak) | World Population | Country | % Correct |
|---|---|---|---|---|
| 20th | 12.200.000 | 2.355.000.000 | United States | 96%
|
| 21th | 1.500.000 | 8.234.000.000 | United States | 96%
|
| 18th | 232.000 | 908.000.000 | Great Britain | 90%
|
| 19th | 106.000 | 1.320.000.000 | Great Britain | 90%
|
| 1th BC | 300.000 | 250.000.000 | Roman Empire | 71%
|
| 1st | 380.000 | 254.000.000 | Roman Empire | 71%
|
| 2th | 420.000 | 258.000.000 | Roman Empire | 71%
|
| 3th | 435.000 | 261.000.000 | Roman Empire | 71%
|
| 4th | 450.000 | 267.000.000 | Roman Empire | 71%
|
| 12th | 40.000 | 350.000.000 | Holy Roman Empire | 68%
|
| 30th-13th BC | ~15.000 | 89.000.000 | Egypt | 65%
|
| 17th | 100.000 | 507.000.000 | Netherlands | Spain | 64%
|
| 16th | 80.000 | 450.000.000 | Spain | 62%
|
| 13th | 220.000 | 400.000.000 | Mongol Empire | 59%
|
| 14th | 220.000 | 450.000.000 | Mongol Empire | 59%
|
| 6th BC | 11.000 | 139.000.000 | Persia | 54%
|
| 5th BC | 12.000 | 150.000.000 | Persia | 54%
|
| 3th BC | 639.000 | 196.000.000 | Maurya Empire | 46%
|
| 6th | 175.000 | 275.000.000 | Byzantine Empire | 44%
|
| 4th BC | 32.000 | 172.000.000 | Macedonian Empire | 34%
|
| 15th | 1.200.000 | 415.000.000 | Ming Dynasty | 19%
|
| 8th | 185.000 | 291.000.000 | Abbasid Caliphate | 15%
|
| 9th | 300.000 | 302.000.000 | Abbasid Caliphate | 15%
|
| 12th BC | 17.000 | 96.000.000 | Assyrian Empire | 10%
|
| 11th BC | 20.000 | 107.000.000 | Assyrian Empire | 10%
|
| 10th BC | 25.000 | 113.000.000 | Assyrian Empire | 10%
|
| 9th BC | 30.000. | 119.000.000 | Assyrian Empire | 10%
|
| 8th BC | 45.000 | 126.000.000 | Assyrian Empire | 10%
|
| 7th BC | 50.000 | 131.000.000 | Assyrian Empire | 10%
|
| 2th BC | 610.000 | 227.000.000 | Han Dynasty | 10%
|
| 11th | 900.000 | 330.000.000 | Song Dynasty | 10%
|
| 7th | 240.000 | 283.000.000 | Tang Dynasty | 8%
|
| 10th | 215.000 | 310.000.000 | Fatimid Caliphate | 5%
|
| 5th | 325.000 | 271.000.000 | Eastern Roman Empire | 3%
|