French Ships and Crews
Achille (74 cannon): 800 sailors and officers
Aigle (74): 800
Algésiras (74): 800
Argonaute (74): 750
Berwick (74): 814
Bucentaure (80): 943
Duguay-Trouin (74): 750
Formidable (80): 921
Fougueux (74): 750
Héros (74): 750
Indomptable (80): 1 050
Intrépide (74): 800
Mont-Blanc (74): 865
Neptune (80): 1 008
Pluton (74): 773
Redoutable (74): 750
Scipion (74): 817
Swifsure (74): 797
TOTAL: 18 vessels: 14,938 sailors and officers
Spanish Ships and Crews
Principe de Asturias (112 cannon): 1,142 sailors and officers
Santa Ana (112): 1,102
Santisima Trinidad (136): 1,161
Rayo (100): 813
Neptuno (80): 797
Argonauta (80): 801
San Ildefonso (74): 719
Bahama (74): 689
San Juan Nepomuceno (74): 702
San Agustin (74): 730
Monarca (74): 672
Montanés (74): 749
San Francisco de Asis (74): 684
San Justo (74): 685
San Leandro (64): 607
TOTAL: 15 ships: 12,053 sailors and officers
British Ships and Crews
Victory (100 cannon): 820 sailors and officers
Royal Sovereign (100): 875-850
Britannia (100): 875-850
Dreadnought (98): 750-700
Neptune (98): 750-700
Prince (98): 750-700
Temeraire (98): 750-700
Tonnant (80): 650-500
Achilles (74): 650-500
Ajax (74): 650-500
Belleisle (74): 650-500
Bellerophon (74): 650-500
Colossus (74): 650-500
Conqueror (74): 650-500
Defence (74): 650-500
Defiance (74): 650-500
Leviathan (74): 650-500
Mars (74): 650-500
Minotaur (74): 650-500
Orion (74): 650-500
Revenge (74): 650-500
Spartiate (74): 650-500
Swiftsure (74): 650-500
Thunderer (74): 650-500
Africa (64): 650-500
Agamemnon (64): 650-500
Polyphemus (64): 650-500
TOTAL: 28 ships
Sources:
R. Monaque, Trafalgar, Paris: Tallandier, 2005
M. Battesti: Trafalgar ou les aléas de la stratégie navale de Napoléon, Napoléon Ier Editions, 2004
O. von Pivka (aka Digby Smith), Navies of the Napoleonic Era, David and Charles, 1980.