The C.D.C. The second-largest user group was 18 to 24 year olds with a 22 percent share. Embed infographics: Population > Population Distribution by Age, Race, and Nativity, 1860?2010 ; Cite. Definition: sum of the youth and old-age ratios. Data for those systems have been age adjusted using a variety of standard populations such as 1970 U.S. civilian noninstitutionalized population and 1980 U.S. resident population, which can be found in appendix II of Health, United States, 1999.9 To improve comparability of age-adjusted rates among data systems, these data for NCHS The Henry J. Kaiser Family Foundation Headquarters: 185 Berry St., Suite 2000, San Francisco, CA 94107 | Phone 650-854-9400 Washington Offices and … Census first compiled Hispanic origin by county data for the 1990 Census. Median age provides an important single indicator of the age distribution of a population. By selecting this link you will leave www.census.gov. The United States Census Bureau provides data about the nation’s people and economy. In the histogram above, which shows the total number of Americans of each age last year, non-Hispanic whites tend to skew toward the older end of the spectrum (more to the right), … These sources are listed in the Surveys/Programs area with brief descriptions to help you decide which data source would best suit your needs. This percentage can be compared to the distribution of deaths by race and Hispanic origin, which shows that nearly 25% of COVID-19 deaths in the U.S. have occurred among the non-Hispanic black population (data as of July 22, 2020). Note: Distributions by generation are defined by birth year as follows: Silent and Earlier=born before 1946, Baby Boomer=born 1946-1964, …