Mean age at first birth in the U.S. from 2007 to 2017, by urbanization level

This statistic shows the mean age at first birth among U.S. women from 2007 to 2017, by urbanization level. In 2017, the mean age of first birth among women in rural counties was 24.5, while the mean age among those in large metro counties was 27.7.

本统计数据显示了2007年至2017年间，美国女性首次生育的平均年龄，按城市化程度分类。2017年，农村县份女性的首次生育平均年龄为24.5岁，而在大型都会县份的女性首次生育平均年龄则为27.7岁。