Why India and African countries have the largest number of people with protein deficiency diseases?

India and many African countries experience high rates of protein deficiency diseases primarily due to socioeconomic factors, including poverty, food insecurity, and limited access to diverse, nutrient-rich diets. In these regions, staple foods often lack sufficient protein content, and agricultural practices may not prioritize the cultivation of protein-rich crops. Additionally, high population growth and urbanization can strain food supply chains, exacerbating nutritional deficiencies. Efforts to address these issues often face challenges related to education, infrastructure, and healthcare access.