There is no precise way to count the number of people in a DC crowd on a given day, though crowd experts have formulas for making pretty good approximations. But we do have very precise numbers on the number of rides taken each day on the DC area subway system (the metro). And it’s a decent apples to apples comparison for getting a broad sense of which inauguration crowd was bigger and how they matched up to yesterday’s Women’s March on Washington. So here are the numbers.

To see a full size version of the chart, click the title of this post.