| Airframes | Engines | |
| Britain | 55,093 | 41,034 |
| France | 67,982 | 85,317 |
| Italy | 20,000 | 38,000 |
| Russia | 4,700 | n.a. |
| United States | 15,000 | 41,000 |
| Total Entente | 162,775 | 205,351 |
| Austria-Hungary | 5,431 | n.a. |
| Germany | 47,637 | 40,449 |
| Total Central Powers | 53,068 | 40,449 |
Notes:
(1) United States only 21 months.
(2) The Aerodrome gives aircraft as France (67,987), Britain (58,144), and Germany (48,537).
Sources: Salamander Books, The Encyclopedia of Air Warfare, RAF Centre for Air Power Studies, The Aerodrome.