The "One City" section of our site intends to give you a bit more context to the stories in Exceeding Expectations. Often we will put an example of one person into the perspective of the larger population. Other times we will define terms and discuss policy implications as they arise.
We begin by defining "life expectancy."
Let us know if you'd like to know more about an issue raised in one of the stories by reaching out to email@example.com.
Put simply, life expectancy is the average number of years a person of any given age will live. Usually, people talk about life expectancy at birth – how many years can a person born in a specific time and place expect to live? For the U.S. overall, life expectancy at birth has increased DRAMATICALLY in the last 110 years, from 1900 when it was 47 up to 78 in 2010.
You can also calculate life expectancy at different ages: IF a person born in a given year lives to be 70, THEN how many more years will...