The plant-based protein market size is estimated at USD 13.3 billion in 2023 and is projected to reach USD 19.2 billion by 2028, at a CAGR of 7.7% from 2023 to 2028. Plant-based protein refers to protein derived from plants rather than animals. These proteins are sourced from a variety of plant-based foods such as legumes (like beans, lentils, and peas), grains (such as quinoa, wheat, and rice), nuts, seeds, and certain vegetables.