Human Growth and Development / Unit 15 HGD 2101 short lesson, about 20 seconds
Life Expectancy
Captions available
The idea
Life expectancy is the average age members of a population reach; worldwide it rose from about thirty-four in nineteen thirteen to about seventy-one.
In practice
US life expectancy reaching seventy-nine in twenty twenty-four, about seventy-six and a half for men and eighty-one and a half for women.
Where people slip
Gains came mainly from lower infant mortality, better living conditions and vaccination, and are not guaranteed.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Something wrong in this lesson? Flag it · Sources for Human Growth and Development