Photo: Leah Libresco |
Photo: FiveThirtyEight |
That places the U.S. among the 15 nations most likely to bring all-male squads to the IMO, an annual competition for high school students from around the world.1 Azerbaijan, North Korea and Tajikistan are the only countries that have never had a girl on their IMO teams. But for many other countries, female competitors are very rare.2
In recent years, girls have been a larger share of all IMO teams; the average number of girls per team has risen from 0.2 in the 1970s to 0.5 in the 2010s (so far).
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Source: FiveThirtyEight