Table 2

Trends in age at first sex, age at first marriage and age at first birth in years, median value from 10 countries, 2004–2015

FemalesMalesMale–female gap*
200420102015200420102015200420102015
Age at first sexAll17.417.717.718.118.217.90.70.50.2
ResidenceRural17.217.317.318.118.317.90.91.00.6
Urban18.118.418.518.218.518.60.10.10.1
Gap0.91.01.10.20.20.8
Education levelNone16.316.216.11918.318.42.72.12.3
Primary17.217.116.917.918.017.60.70.90.7
Secondary+18.818.918.718.718.818.4−0.1−0.1−0.3
Gap†2.52.72.6−0.30.50.1
Wealth tertilePoorest16.817.11718.21817.81.40.90.8
Middle17.317.717.718.118.517.70.80.80
Wealthiest18.218.618.818.218.618.600−0.2
Gap‡1.41.51.800.50.8
Age at first marriageAll19.019.719.724.324.625.15.34.95.4
ResidenceRural18.418.718.823.823.623.95.44.95.1
Urban21.121.521.825.626.326.14.54.84.3
Gap2.72.831.82.72.2
Education levelNone17.21717.122.722.523.25.55.56.1
Primary18.518.318.324.324.723.95.86.45.6
Secondary+22.821.822.725.125.825.42.34.02.7
Gap†5.64.75.62.53.32.2
Wealth tertilePoorest1817.918.123.023.023.35.05.15.2
Middle18.418.819.323.824.124.55.45.35.2
Wealthiest21.221.622.325.726.626.24.55.03.9
Gap‡3.23.74.22.73.62.9
Age at first birthAll20.020.020.1
ResidenceRural19.519.519.3
Urban20.821.821.6
Gap1.32.32.3
Education levelNone18.518.218.2
Primary19.119.119
Secondary+22.822.822
Gap†4.44.63.8
Wealth tertilePoorest1918.918.9
Middle20.119.719.7
Wealthiest21.221.822.6
Gap‡2.32.93.7
  • Data used for analysis were from all adolescents and young women and men aged 15–24, except age at first marriage for men where data is from all men aged 15–29.

  • *Absolute difference in median between male and female adolescents.

  • †Absolute difference in median age between secondary+ (i.e., secondary or higher education level) and none (refers to those with no education).

  • ‡Absolute difference in median age between wealthiest and poorest wealth tercile.