The shortest men work on farms, while the shortest women clean. Both professions hire the highest share of immigrant workers for their respective genders. And Americans who were born outside the country tend to be much shorter than folks who were born here — it's one of the biggest height gaps we saw.
The immigrant share of the U.S. workforce has almost doubled since 1994, from 11 percent to 20 percent, according to our analysis of Bureau of Labor Statistics data. Could immigration explain American shrinkage?