The average life expectancy in the 18th century was 35 years.

In 1960, the average life expectancy of the world population was 50 years.

Their average life expectancy is from 12 to 15 years.

The average life expectancy now for an American woman is over 80 years of age.

We're not there yet, with 6.8 million people living on less than a £1 a day and an average life expectancy of just 59.

At the turn of the last century, the average life expectancy was 47 years.

Our average life expectancy increased by about one month from 2009 to 2010.

When they were born, the average life expectancy was 40.

The average life expectancy in the Region is 76.3 years.

As can be seen, average life expectancy was low at the start of the work.