College: Ratio of female to male NCAA Division I athletes by Soccer America, 2019 ratio (1987 ratio)

1. Soccer 1.56 (0.29)
2. Swimming/diving 1.53 (0.90)
3. Track & field 1.25 (0.60)
4. Cross-country 1.22 (0.74)
5. Tennis 1.12 (0.86)
6. Basketball 0.92 (0.86)
7. Softball/baseball 0.59 (0.32)

Note: Sports among the top 10 most popular for both men and women in 2018-19. Source: NCAA participation statistics via FiveThirtyEight.