16
Historically, the average age of U.S. women's gymnastics teams has hovered around age 16 – and this year is no different. On the 2012 U.S. women's gymnastics team, ages of the athletes range from 15 to 18 years of age.Aug 1, 2012.
https://twin-cities.umn.edu/when-it-comes-olympic-gymnasts-does-age-impa
(прошу прощения но на русском этой инфо нет)
