| Germany | Italy | Japan | France | U.K. | U.S.A. | U.S.S.R. | |
| Battleships | - | 4 | 10 | 7 | 12 | 15 | 3 |
| Battlecruisers | 5 | - | - | 2 | 3 | - | - |
| Aircraft Carriers | - | - | 6 | 1 | 7 | 5 | - |
| Heavy Cruisers | 2 | 7 | 18 | 7 | 15 | 18 | - |
| Light Cruisers | 6 | 12 | 17 | 12 | 49 | 18 | 2 |
| Destroyers | 22 | 59 | 113 | 70 | 184 | 181 | 47 |
| Submarines | 57 | 105 | 53 | 78 | 58 | 99 | 75 |
| Japan | U.S.A. | U.S.A. (Pacific) |
Allied (Pacific) |
|
| Battleships | 10 | 17 | 9 | 1 |
| Battlecruisers | - | - | - | 1 |
| Aircraft Carriers | 10 | 7 | 3 | - |
| Heavy Cruisers | 18 | 18 | 13 | 1 |
| Light Cruisers | 18 | 18 | 11 | 11 |
| Destroyers | 113 | 171 | 84 | 16 |
| Submarines | 63 | 112 | 51 | 18 |
Notes:
(1) 1939 - Battlecruisers for Germany includes 3 Pocket Battleships.
(2) 1941 - U.S.A. (Pacific) includes Pacific and Asiatic Fleets, Allied includes U.K. and Netherlands Navies in Pacific waters.
Source: 1939 - Winston Churchill, The Second World War, 1941 - Polmar & Allen, World War II: The Encyclopedia of the War Years.