* Data include undiagnosed diabetes.
Estimated numbers for 2021 were derived from percentages for 2017–March 2020 applied to July 1, 2021, US resident population estimates from the US Census Bureau. Diagnosed diabetes was based on self-report. Undiagnosed diabetes was based on fasting plasma glucose and A1C levels among people self-reporting no diabetes.
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Number of U.S. adults with diabetes by age group 2021
In 2021, the number of adults with diagnosed and undiagnosed diabetes in the United States stood at over ** million. This statistic depicts the total number of U.S. adults aged 18 years and older with diabetes in 2021, by age group.
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CDC. (November 29, 2023). Total number of U.S. adults with diabetes in 2021, by age group* (in millions) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/240931/number-of-us-adults-with-diabetes-by-age-group/
CDC. "Total number of U.S. adults with diabetes in 2021, by age group* (in millions)." Chart. November 29, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/240931/number-of-us-adults-with-diabetes-by-age-group/
CDC. (2023). Total number of U.S. adults with diabetes in 2021, by age group* (in millions). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/240931/number-of-us-adults-with-diabetes-by-age-group/
CDC. "Total Number of U.S. Adults with Diabetes in 2021, by Age Group* (in Millions)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 29 Nov 2023, /statistics/240931/number-of-us-adults-with-diabetes-by-age-group/
CDC, Total number of U.S. adults with diabetes in 2021, by age group* (in millions) ÌÇÐÄÆƽâ°æ, /statistics/240931/number-of-us-adults-with-diabetes-by-age-group/ (last visited July 31, 2026)
Total number of U.S. adults with diabetes in 2021, by age group* (in millions) [Graph], CDC, November 29, 2023. [Online]. Available: /statistics/240931/number-of-us-adults-with-diabetes-by-age-group/
