average life expectancy

The "average life expectancy" is the average age that people live until. You can find out the "average life expectancy" for a country or region, or an overall average life expectancy for the world:

The average life expectancy for a baby born in South Korea today is over 80 years!

If the life expectancy for a country is 70 years, that means that some people will die when they are much younger than 70, but many people will live to be older than 70 as well.

This phrase appears in these lessons: