US Census Annual Estimates of the Resident Population for Selected Age Groups by Sex for the United States

2010-2018; 2019. US Census Annual Estimates of the Resident Population for Selected Age Groups by Sex for the United States. The estimates for the 2010-2018 dataset are based on the 2010 Census and reflect changes to the April 1, 2010 population due to the Count Question Resolution program and geographic program revisions. Median age is calculated based on single year of age. The estimates for 2019 are based on a one-year dataset that was published on the US Census website in 2021. For population estimates methodology statements, see http://www.census.gov/popest/methodology/index.html.

2010-2018年度及2019年美国居民人口年度估计数据集，按性别划分的选定年龄段人口。2010-2018数据集的估计值基于2010年人口普查，并反映了因人口计数问题解决程序和地理规划修订而对2010年4月1日人口的调整。中位年龄是根据单一年龄年份计算的。2019年的估计值基于于2021年在美国人口普查网站上发布的年度数据集。关于人口估计方法说明，请参阅http://www.census.gov/popest/methodology/index.html。