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| U.S. Population |
2017 |
% by age group |
Approximate generation |
| Total |
325,719,178 |
|
|
| Under 5 years |
19,938,860 |
6.1% |
|
| 5 to 9 years |
20,304,238 |
6.2% |
Generation Z ⇓ |
| 10 to 14 years |
20,778,454 |
6.4% |
|
| 15 to 19 years |
21,131,660 |
6.5% |
|
| 20 to 24 years |
22,118,635 |
6.8% |
Millennials ⇓ |
| 25 to 29 years |
23,370,460 |
7.2% |
|
| 30 to 34 years |
21,972,212 |
6.7% |
|
| 35 to 39 years |
21,231,997 |
6.5% |
|
| 40 to 44 years |
19,643,373 |
6.0% |
Generation X ⇓ |
| 45 to 49 years |
20,973,858 |
6.4% |
|
| 50 to 54 years |
21,401,094 |
6.6% |
|
| 55 to 59 years |
22,007,956 |
6.8% |
Baby Boomers ⇓ |
| 60 to 64 years |
19,987,702 |
6.1% |
|
| 65 to 69 years |
16,836,381 |
5.2% |
|
| 70 to 74 years |
12,847,065 |
3.9% |
|
| 75 to 79 years |
8,741,261 |
2.7% |
Silent Generation ⇓ |
| 80 to 84 years |
5,965,290 |
1.8% |
|
| 85 years and over |
6,468,682 |
2.0% |
|
| Source: Census Bureau |
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