Natl Vital Stat Rep. 2024 Apr;73(2):1-56.
Objectives- This report presents 2022 data on U.S. births by selected characteristics. Trends in fertility patterns and maternal and infant characteristics are described. Methods-Descriptive tabulations based on birth certificates of the 3.67 million births registered in 2022 are shown by maternal age, live-birth order, race and Hispanic origin, marital status, tobacco use, prenatal care, source of payment for the delivery, method of delivery, gestational age, birthweight, and plurality. Selected data by mother's state of residence and birth rates also are shown. Trends for 2010 to 2022 are presented for selected items, and by race and Hispanic origin for 2016-2022. Results-A total of 3,667,758 births occurred in the United States in 2022, essentially unchanged from 2021. The general fertility rate declined 1% from 2021 to 56.0 births per 1,000 females ages 15-44 in 2022. The birth rate for females ages 15-19 declined 2% from 2021 to 2022; birth rates fell 7% for women ages 20-24, rose 1% to 5% for women ages 25-29 and 35-44, and rose 12% for women ages 45-49 (the first increase since 2016). The total fertility rate declined less than 1% to 1,656.5 births per 1,000 women in 2022. Birth rates declined for unmarried women but increased for married women from 2021 to 2022. Prenatal care beginning in the first trimester declined to 77.0% in 2022; the percentage of women who smoked during pregnancy declined to 3.7%. The cesarean delivery rate was unchanged in 2022 (32.1%); Medicaid was the source of payment for 41.3% of births. The preterm birth rate declined 1% to 10.38%; the low birthweight rate rose 1% to 8.60%. The twin birth rate was unchanged in 2022 (31.2 per 1,000 births); the 2% decrease in the triplet and higher-order multiple birth rate.
目的-本报告介绍了 2022 年美国按选定特征报告的出生数据。描述了生育模式和母婴特征的趋势。方法-根据 2022 年登记的 367.7 万例活产出生证的描述性表格,按产妇年龄、活产顺序、种族和西班牙裔出身、婚姻状况、吸烟情况、产前护理、分娩费用来源、分娩方式、胎龄、出生体重和多胎进行展示。还展示了按母亲居住地和出生率选择的数据。报告了 2010 年至 2022 年的趋势,以及 2016 年至 2022 年的种族和西班牙裔出生情况。结果-2022 年,美国共有 366.7758 例活产出生,与 2021 年基本持平。一般生育率从 2021 年的 56.0 例下降了 1%,每 1000 名 15-44 岁女性中就有 1 例。15-19 岁女性的出生率从 2021 年到 2022 年下降了 2%;20-24 岁女性的出生率下降了 7%,25-29 岁和 35-44 岁女性的出生率上升了 1%至 5%,45-49 岁女性的出生率上升了 12%(自 2016 年以来首次上升)。总生育率下降了不到 1%,至 2022 年每 1000 名女性中有 1656.5 例。2021 年至 2022 年,未婚女性的出生率下降,但已婚女性的出生率上升。2022 年,开始于孕早期的产前护理比例下降至 77.0%;怀孕期间吸烟的女性比例下降至 3.7%。2022 年剖宫产率保持不变(32.1%);医疗补助是 41.3%的分娩费用来源。早产率下降了 1%,至 10.38%;低出生体重率上升了 1%,至 8.60%。双胞胎出生率在 2022 年保持不变(每 1000 例活产中有 31.2 例);三胞胎及以上多胎出生率下降了 2%。