How many auxiliary were there in a roman legion?

In a Roman legion, there were typically around 4,800 to 5,200 soldiers, including both heavy infantry (legionaries) and auxiliary troops. The auxiliaries, who were non-citizen soldiers, usually numbered between 1,000 to 3,000, depending on the specific legion and its operational needs. These auxiliary units provided specialized skills and varied combat capabilities, complementing the legionaries in battle. Overall, the exact number of auxiliaries could vary significantly based on the legion's composition and the context of their deployment.