Question

Life expectancy expectancy at Birth in the United States increased from approximately 41 years of age in 1882 almost 69 years of age by 1950. Discuss the cause of the dramatic increase in life expectancy and assess their relative importance.

Answer 1

Life expectancy at birth shows the general level of development of a country. Life expectancy expectancy at Birth in the United States increased from approximately 41 years of age in 1882 almost 69 years of age by 1950.

The main cause of the dramatic increase in life expectancy is because of following reasons:-

( I ) Development of life - saving drugs due to advancement in schience and technology has enabled people to live longer on average than before.

( II ) Increase in availability of food has also ensured a better and healthy diet for an average person leading to a longer life expectancy.

( III ) Economic development has increased prosperity of the people, and they do not need to engage in life-threatening and dagerous professions to ean for their livelihood.