There is 31 g of protein in a 100 g serving of cooked chicken breast [1]. Chicken breast contains the most protein of all meat, followed closely by turkey breast.

References:
FoodData Central. (n.d.). U.S. Department of Agriculture. Retrieved April 4, 2022, from https://fdc.nal.usda.gov/fdc-app.html#/food-details/171477/nutrients
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