" Women’s rise in higher-level occupations in the second half of the twentieth century continued to follow the rise in their age of marriage, which rose sharply and finished the century significantly higher than it was at the beginning,14 while the birth rate fell sharply and was much lower at the end of the century than it was at the beginning.15 As the age of first marriage climbed to record high levels, women rose to record high levels in higher education and higher occupations. "

― Thomas Sowell , Economic Facts and Fallacies