| clgo:strength | - Modern estimates:
- * 52 BC: 11 legions & 10,000+ auxiliaries,60–75,000 troops total by the siege of Alesia
- * 58 BC: 6 legions (understrength, 24–30,000 troops, including cavalry auxiliaries)
- * 52 BC: 70,000100,000 Gallic combatants at Alesia
- * 53 BC: 10 legions (40–50,000 troops)
- * 57 BC: 8 legions (32–40,000 troops)
- * 55 BC: 2 legions (~10,000 troops) in Britain, the rest left on the continent
- * 54 BC: 5 legions (~25,000 troops) & 2,000 auxiliaries in Britain
- * 58 BC: 20,00050,000, of which 8,000 or more were civilians
|