Who people spend their time with, across their lifetimes, by Dan Kopf and Corinne Purtill.

Time with friends, colleagues, siblings, and children diminishes over the course of a lifetime. The older we get, the person we spend the most time with is the one we see in the mirror.

That’s the conclusion of a recent, fascinating analysis of data from the American Time Use Survey, an annual census by the US Bureau of Labor Statistics of how Americans spend their hours.

hat-tip Matthew