Chicken breast is the meat highest in protein, as it provides 31 g of protein/100 g [1]. Turkey breast ranks number two and contains just slightly less with 30 g of protein/100 g [2]. 

chicken breast on cutting board

References:

  1. 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

  2. FoodData Central. (n.d.-b). U.S. Department of Agriculture. Retrieved April 4, 2022, from https://fdc.nal.usda.gov/fdc-app.html#/food-details/171496/nutrients