| Aircraft | Airships | |
| Belgium | 24 | - |
| Britain | 113 | 6 |
| France | 138 | 4 |
| Russia | 226 | 11 |
| Total Entente | 501 | 21 |
| Austria-Hungary | 36 | 1 |
| Germany | 232 | 11 |
| Total Central Powers | 268 | 12 |
| Aircraft | Airships | |
| Britain | 3,300 | 103 |
| France | 4,511 | n.a. |
| Italy | 1,200 | n.a. |
| United States | 740 | 36 |
| Total Entente | 9,751 | n.a. |
| Austria-Hungary | n.a. | n.a. |
| Germany | 2,390 | 56 |
| Ottoman Empire | 80 | - |
| Total Central Powers | 2,470 | 56 |
Notes:
(1) The Aerodrome gives 244 aircraft for Russia and 86 aircraft for Austria-Hungary in 1914.
(2) Italy aircraft (150) and United States aircraft (55) in 1914 not included in totals.
(3) Front line strength only. Serviceable strength in 1918 estimated as Britain (22,647), France (15,352), U.S. (7,900), Germany (20,000).
Sources: Salamander Books, The Encyclopedia of Air Warfare, RAF Centre for Air Power Studies, The Aerodrome.