This 4M graduates includes all degrees…AA, BA/BS, Master’s and PhDs.
There are roughly 2M Bachelor’s degree grads each year (latest data 2020): Bachelor's degrees conferred by postsecondary institutions, by field of study: Selected years, 1970-71 through 2019-20
About 1M AA degrees: Associate's degrees conferred by postsecondary institutions, by sex of student and field of study: 2009-10 through 2019-20
Masters 843K: Master's degrees conferred by postsecondary institutions, by field of study: Selected years, 1970-71 through 2019-20
Doctor’s 190K: Doctor's degrees conferred by postsecondary institutions, by field of study: Selected years, 1970-71 through 2019-20