Population Characteristics - Age
(2021)
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| Name | Under 18
Rank | Under 18 | 18 - 64 | 65 and over | Dependency ratio |
| Utah | 1 | 28.4% | 60.0% | 11.7% | 66.8 |
| Texas | 2 | 25.3% | 61.6% | 13.1% | 62.5 |
| Idaho | 3 | 24.7% | 58.7% | 16.6% | 70.3 |
| South Dakota | 4 | 24.6% | 57.9% | 17.5% | 72.7 |
| Nebraska | 5 | 24.6% | 59.0% | 16.4% | 69.4 |
| Alaska | 6 | 24.5% | 62.2% | 13.3% | 60.8 |
| Oklahoma | 7 | 24.1% | 59.7% | 16.2% | 67.5 |
| North Dakota | 8 | 24.0% | 60.0% | 16.1% | 66.8 |
| Kansas | 9 | 24.0% | 59.4% | 16.7% | 68.5 |
| Mississippi | 10 | 23.5% | 59.8% | 16.8% | 67.3 |
| Louisiana | 11 | 23.4% | 60.1% | 16.5% | 66.4 |
| Georgia | 12 | 23.4% | 62.0% | 14.7% | 61.4 |
| Indiana | 13 | 23.3% | 60.3% | 16.4% | 65.8 |
| Arkansas | 14 | 23.2% | 59.3% | 17.5% | 68.6 |
| Minnesota | 15 | 23.1% | 60.2% | 16.7% | 66.2 |
| Iowa | 16 | 23.1% | 59.2% | 17.7% | 68.8 |
| Wyoming | 17 | 22.9% | 59.2% | 17.9% | 69.0 |
| Kentucky | 18 | 22.5% | 60.4% | 17.1% | 65.6 |
| Missouri | 19 | 22.4% | 60.0% | 17.6% | 66.7 |
| New Mexico | 20 | 22.4% | 59.1% | 18.5% | 69.2 |
| California | 21 | 22.4% | 62.5% | 15.2% | 60.1 |
| Alabama | 22 | 22.3% | 60.1% | 17.6% | 66.4 |
| Nevada | 23 | 22.2% | 61.3% | 16.5% | 63.2 |
| Arizona | 24 | 22.2% | 59.5% | 18.3% | 68.1 |
| Illinois | 25 | 22.1% | 61.3% | 16.6% | 63.1 |
| Ohio | 26 | 22.1% | 60.1% | 17.8% | 66.5 |
| Maryland | 27 | 22.1% | 61.6% | 16.3% | 62.3 |
| Tennessee | 28 | 22.1% | 60.9% | 17.0% | 64.2 |
| New Jersey | 29 | 21.8% | 61.3% | 16.9% | 63.2 |
| North Carolina | 30 | 21.8% | 61.2% | 17.0% | 63.4 |
| Virginia | 31 | 21.8% | 61.9% | 16.3% | 61.5 |
| Washington | 32 | 21.7% | 62.1% | 16.2% | 61.0 |
| Wisconsin | 33 | 21.6% | 60.4% | 17.9% | 65.4 |
| South Carolina | 34 | 21.5% | 59.9% | 18.6% | 67.1 |
| Michigan | 35 | 21.4% | 60.4% | 18.1% | 65.5 |
| Colorado | 36 | 21.4% | 63.5% | 15.1% | 57.6 |
| Montana | 37 | 21.3% | 59.1% | 19.6% | 69.2 |
| Hawaii | 38 | 21.1% | 59.3% | 19.6% | 68.6 |
| Delaware | 39 | 20.8% | 59.1% | 20.1% | 69.1 |
| New York | 40 | 20.7% | 61.7% | 17.5% | 62.0 |
| Pennsylvania | 41 | 20.6% | 60.4% | 19.0% | 65.7 |
| Oregon | 42 | 20.3% | 61.1% | 18.6% | 63.5 |
| Connecticut | 43 | 20.2% | 61.8% | 18.0% | 61.9 |
| West Virginia | 44 | 20.1% | 59.1% | 20.7% | 69.1 |
| Florida | 45 | 19.7% | 59.2% | 21.1% | 68.9 |
| Massachusetts | 46 | 19.5% | 63.1% | 17.4% | 58.5 |
| Rhode Island | 47 | 19.1% | 62.8% | 18.1% | 59.2 |
| New Hampshire | 48 | 18.5% | 62.3% | 19.3% | 60.6 |
| Maine | 49 | 18.4% | 60.0% | 21.7% | 66.7 |
| Vermont | 50 | 18.1% | 61.2% | 20.6% | 63.3 |
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