Age groups U.S. population Proportion (total) Proportion (20+ years) Total Under 1 year 0.0156 3,533,692 1 - 2 years 0.0287 6,493,373 3 - 5 years 0.0419 9,483,880 6 - 11 years 0.0920 20,834,439 12 - 19 years 0.1418 32,113,079 20 - 29 years 0.1803 0.2650 40,839,623 30 - 39 years 0.1392 0.2046 31,526,222 40 - 49 years 0.1005 0.1477 22,759,163 50 - 59 years 0.1030 0.1514 23,325,286 60 - 69 years 0.0833 0.1225 18,870,102 70 - 79 years 0.0512 0.0752 11,591,846 80 years plus 0.0228 0.0336 5,175,100 Total 226,545,805 Age Total population Under 1 year 3,533,692 1 years 3,269,557 2 years 3,223,816 3 years 3,179,441 4 years 3,141,748 5 years 3,162,691 5 years 3,109,095 7 years 3,273,052 8 years 3,394,998 9 years 3,760,120 10 years 3,716,530 11 years 3,580,644 12 years 3,518,982 13 years 3,643,189 14 years 3,782,784 15 years 4,059,898 16 years 4,180,875 17 years 4,223,848 18 years 4,251,779 19 years 4,451,724 20 years 4,387,100 21 years 4,285,763 22 years 4,284,351 23 years 4,199,711 24 years 4,161,779 25 years 4,116,218 26 years 3,977,515 27 years 3,931,620 28 years 3,708,968 29 years 3,786,598 30 years 3,726,525 31 years 3,607,610 32 years 3,712,217 33 years 3,653,921 34 years 2,860,647 35 years 2,902,331 36 years 2,929,040 37 years 2,982,533 38 years 2,598,636 39 years 2,552,762 Age Total population 40 years 2,468,083 41 years 2,375,849 42 years 2,325,572 43 years 2,237,108 44 years 2,262,796 45 years 2,242,318 46 years 2,139,385 47 years 2,222,969 48 years 2,163,709 49 years 2,321,374 50 years 2,347,068 51 years 2,295,077 52 years 2,363,152 53 years 2,337,138 54 years 2,367,597 55 years 2,390,440 56 years 2,329,790 57 years 2,312,737 58 years 2,330,373 59 years 2,251,914 60 years 2,160,937 61 years 2,073,764 62 years 2,008,093 63 years 1,931,425 64 years 1,913,402 65 years 1,904,641 66 years 1,813,987 67 years 1,763,637 68 years 1,678,740 69 years 1,621,476 70 years 1,516,900 71 years 1,439,723 72 years 1,371,235 73 years 1,261,994 74 years 1,208,272 75 years 1,111,480 76 years 1,028,927 77 years 951,774 78 years 828,866 79 years 872,675 Age Total population 80 years 723,049 81 years 640,276 82 years 566,548 83 years 527,982 84 years 477,178 85 years 412,549 86 years 350,655 87 years 306,906 88 years 236,314 89 years 213,778 90 years 175,900 91 years 140,003 92 years 101,492 93 years 78,233 94 years 60,964 95 years 46,219 96 years 32,789 97 years 23,471 98 years 16,215 99 years 12,385 100 years 9,663 101 years 5,231 102 years 3,886 103 years 2,800 104 years 2,015 105 years 1,573 106 years 1,276 107 years 1,038 108 years 883 109 years 852 110 years 819 111 years 623 112+ years 1,535 Total 226,545,805 Status Sample size Percent Weighted Percent Total 39695 100.0 100.0 Not interviewed 5701 14.4 18.2 Interviewed, not examined 2683 6.8 7.5 MEC examined 30818 77.6 73.4 Home examined 493 1.2 0.8