US Health Insurance Coverage Status By Age Group in 2021 (ACS-5Yrs)
Updated on October 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 296,329,423 people in the US who had Health Insurance coverage (i.e. 91.23% of the US population), and 28,489,142 people who did not have a Health Insurance coverage (i.e. 8.77% of the US population).
The following age groups had the highest percentage of their population who did not have a health insurance coverage: the 26 - 34 Years age group (15.42%), followed by the 19 - 25 Years age group (14.31%), and the 35 - 44 Years age group (13.32%).
The chart below shows the percentage of the US population with or without a health insurance coverage by age group. The table below shows the number of US population with or without a health insurance coverage by age group.
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Related Topics: US ACS - 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
US Health Insurance Coverage Status By Age Group in 2021
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| Age Group | Num. of People With Health Insurance | Num. of People Without Health Insurance |
|---|---|---|
| 26 - 34 Years | 33632862 | 6132497 |
| 19 - 25 Years | 25311687 | 4227371 |
| 35 - 44 Years | 36052646 | 5539016 |
| 45 - 54 Years | 36611429 | 4529034 |
| 55 - 64 Years | 38985347 | 3477986 |
| 6 - 18 Years | 52098138 | 3149262 |
| Under 6 Years | 22346095 | 1019469 |
| 65 - 74 Years | 30957028 | 303536 |
| 75 Years and Over | 20334191 | 110971 |