Distance to Mars

As we get older, our life expectancy declines. But when and how quickly the decline happens and how it happens has changed over the years.

I looked at the percentages of people with a given number of kids in the family and the order they were born.

So far we’ve seen when you will die and how other people tend to die. Now let’s put the two together to see how and when you will die, given your sex, race, and age.

What is old? When it comes to subjects like health care and retirement, we often think of old in fixed terms. But as people live longer, it’s worth changing the definition.