How long do brown pullet chickens live to be?

Brown pullet chickens, which are young female chickens typically under one year old, can live for several years, often reaching an average lifespan of 5 to 10 years with proper care. Factors such as breed, living conditions, diet, and health management can significantly influence their longevity. Generally, hens that are kept as pets or in backyard flocks tend to live longer than those raised for commercial purposes.