| Infantry | Armoured | Airborne | Total | |
| United States | 13 | 5 | 2 | 20 |
| British | 8 | 4 | 2 | 14 |
| Canadian | 2 | 1 | - | 3 |
| French | - | 1 | - | 1 |
| Polish | - | 1 | - | 1 |
| Total | 23 | 12 | 4 | 39 |
| Total | Operational | Effective | ||
| 8th Air Force | Heavy Bombers | 2,578 | 2,243 | 1,947 |
| Fighters | 1,144 | 961 | 961 | |
| 9th Air Force | Medium Bombers | 624 | 513 | 467 |
| Light Bombers | 228 | 165 | 156 | |
| Fighters | 1,487 | 1,132 | 1,123 | |
| Bomber Command | Heavy Bombers | 1,380 | 1,212 | 1,183 |
| Light Bombers | 134 | 98 | 97 | |
| 2nd TAF | Medium Bombers | 88 | 67 | 67 |
| Light Bombers | 160 | 146 | 146 | |
| Fighters | 1,006 | 856 | 831 | |
| ADGB | Fighters | 1,074 | 875 | 796 |
| Total U.S.A.A.F. | 6,061 | 5,014 | 4,654 | |
| Total R.A.F. | 3,840 | 3,254 | 3,120 | |
| TOTAL | 9,901 | 8,268 | 7,774 | |
| Total | Operational | Effective | ||
| Heavy Bombers | U.S.A.A.F. | 2,578 | 2,243 | 1,947 |
| R.A.F. | 1,380 | 1,212 | 1,183 | |
| Total | 3,958 | 3,455 | 3,130 | |
| Medium Bombers | U.S.A.A.F. | 624 | 513 | 467 |
| R.A.F. | 88 | 67 | 67 | |
| Total | 712 | 580 | 534 | |
| Light Bombers | U.S.A.A.F. | 228 | 165 | 156 |
| R.A.F. | 294 | 244 | 243 | |
| Total | 522 | 409 | 399 | |
| Fighters | U.S.A.A.F. | 2,631 | 2,093 | 2,084 |
| R.A.F. | 2,078 | 1,731 | 1,627 | |
| Total | 4,709 | 3,824 | 3,711 | |
| TOTAL | 9,901 | 8,268 | 7,774 | |
| Total | |
| Battleships | 7 |
| Monitors | 2 |
| Cruisers | 23 |
| Destroyers | 93 |
| Escorts | 142 |
| Gunboats | 2 |
| Sloops | 15 |
| Total | 284 |
| Total | |
| LST & LST(2) | 233 |
| LST(1) | 3 |
| LCT(A) | 48 |
| LCT(R) | 36 |
| LCT(64 flotillas) | 768 |
| LCT(CB) | 5 |
| LCT(HE) | 16 |
| XAP | 3 |
| APA | 7 |
| LSI(L) | 18 |
| LSI(M) | 3 |
| LSI(H) | 18 |
| LSI(S) | 6 |
| LSH(L) | 5 |
| LSH(S) | 9 |
| LSD | 3 |
| LCI(L) | 208 |
| LCI(S) | 39 |
| LCH | 18 |
| LCF | 29 |
| LCA | 486 |
| LCC | 9 |
| LCG(L) | 25 |
| LCE | 6 |
| LCP(L)smoke | 144 |
| LCA(HR) | 45 |
| LCS(L)(2) | 10 |
| LCS(L)(1) | 4 |
| LCS(M) | 26 |
| LCS(S) | 36 |
| LCVP | 839 |
| LCM(1) | 128 |
| LCM(3) | 358 |
| LBF | 15 |
| LBV(2) | 228 |
| LBO | 100 |
| LBE | 60 |
| LBW | 20 |
| LBK | 10 |
| Total | 4,308 |
| Total | |
| LVTs | 470 |
| DD Tanks | 514 |
| DUKWs | 2,583 |
| Total | 3,567 |
Notes:
(1) Land forces include all divisions available for Normandy campaign.
Source: Max Hastings, Overlord.