Table 2.
The prevalence of ever had sexual intercourse among young adolescents aged 12 years to 15 years by World Health Organization region, sex, and age in 2003-2017.
| Region | Total sample, % (95% CI) | Boys, % (95% CI) | Girls, % (95% CI) | P value | 12-13 years old, % (95% CI) | 14-15 years old, % (95% CI) | P value |
| Total | 6.9 (6.2-7.6) | 10.0 (9.1-11.1) | 4.2 (3.7-4.7) | <.001 | 4.0 (3.4-4.7) | 8.5 (7.7-9.3) | <.001 |
| Africa | 12.9 (11.4-14.6) | 20.1 (17.7-22.9) | 6.2 (5.2-7.3) | <.001 | 8.7 (7.0-10.6) | 15.2 (13.5-17.2) | <.001 |
| Americas | 17.8 (16.9-18.9) | 24.4 (23.0-25.8) | 12.1 (11.1-13.1) | <.001 | 9.5 (8.6-10.4) | 22.2 (21.0-23.5) | <.001 |
| Eastern Mediterranean | 15.0 (12.0-18.6) | 22.2 (17.9-27.1) | 4.8 (3.1-7.5) | <.001 | 10.3 (4.5-21.9) | 16.0 (13.3-19.0) | .24 |
| Europe | 3.0 (2.3-4.0) | 5.1 (3.8-6.8) | 0.9 (0.5-1.5) | <.001 | 2.4 (1.4-4.1) | 3.2 (2.4-4.4) | .30 |
| Southeast Asia | 1.8 (1.4-2.3) | 2.6 (2.0-3.4) | 1.1 (0.8-1.6) | <.001 | 1.1 (0.7-1.6) | 2.5 (2.0-3.1) | <.001 |
| Western Pacific | 1.2 (0.9-1.6) | 1.5 (1.1-2.1) | 0.9 (0.6-1.3) | .02 | 0.9 (0.6-1.2) | 1.2 (0.9-1.7) | .11 |