Irina Bokova

Rule Changes

Former UNESCO Director-General; first woman and first Eastern European to hold the position

In 1970, fewer than half the world's teenagers attended secondary school. By 2017, more than three-quarters did. Primary enrollment hit 104 percent globally—meaning virtually every child of primary age was in school, plus millions of older students catching up. College attendance nearly quadrupled, from 10 percent to 37 percent.

Updated Jan 22