Why Is life expectancy a good measure for quality of life?

Life expectancy is a valuable measure of quality of life because it reflects the overall health and well-being of a population. Higher life expectancy often indicates access to quality healthcare, nutrition, and social services, which contribute to better living conditions. Additionally, it can highlight disparities in health outcomes among different Demographics, shedding light on social and economic factors that affect quality of life. Ultimately, life expectancy serves as a useful indicator for assessing public health policies and interventions.