Source: Current Population Survey Annual Social and Economic Supplement (2003–2015); March Current Population Survey (1947, 1952–2002); 1940, 1950, and 1960 Census for those years.
Source: American Community Survey (2015)
Note: Click on the charts for the data and an interactive display.
Correction, 12/27/2016: One of the earlier revised versions of the first chart mislabeled the Y-axis as the percentage with a bachelor’s or higher degree. All references to this trend in the book and related articles are accurate, however.
Last updated: 6/12/2017