Question

What has lead to the improvement in life expectancy?

Answer 1

During the nineteenth and early twentieth centuries, an increase in life expectancy was driven mainly by improvements in sanitation, housing, and education, causing a steady decline in early and mid-life mortality, which was chiefly due to infections.

Answer 2

Explanation:

The factors that led to the improvement in life expectancy were majorly dependent upon better sanitation, housing and the levels of education. The process of sanitation and living conditions initiated the people to live a healthy life and enjoy a higher life expectancy.