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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.

Looking at educational attainment, income, work hours, and commute, this is who has the same work life as you do.

The most common causes of death changed over the years. They vary across sex and age group. This animation shows the details of these changes.

It seems like no matter what I do, I cannot sleep through the night. Will it ever let up? According to the data, the answer is no and it will only get worse.