Data from the Bureau of Labor Statistics (BLS) starkly shows how the U.S. job market changed from 1992-2017. During that period, the number of jobs held by those with a HS education or less declined by over 3.5M, while the number for those with some college, a college degree, or advanced degree increased by 39.5M. The following R/ggplot of jobs by month grouped by education tells the story. More detail surrounding these computations can be found here.