U.S. Census Bureau

national population estimates - characteristics

Table 1. Resident Population Estimates of the United States by Age and Sex: April 1, 2000, July 1, 2000 and July 1, 2001
Age Total Male Female
July 1, 2001 July 1, 2000 April 1, 2000 July 1, 2001 July 1, 2000 April 1, 2000 July 1, 2001 July 1, 2000 April 1, 2000
Population, all ages 284,796,887 282,124,631 281,421,906 139,813,108 138,421,211 138,053,563 144,983,779 143,703,420 143,368,343

Five-Year Age Groups
Under 5 years 19,369,341 19,211,515 19,175,798 9,905,282 9,828,722 9,810,733 9,464,059 9,382,793 9,365,065
5 to 9 years 20,184,052 20,470,322 20,549,505 10,336,616 10,482,448 10,523,277 9,847,436 9,987,874 10,026,228
10 to 14 years 20,881,442 20,594,433 20,528,072 10,696,244 10,553,278 10,520,197 10,185,198 10,041,155 10,007,875
15 to 19 years 20,267,154 20,216,249 20,219,890 10,423,173 10,390,742 10,391,004 9,843,981 9,825,507 9,828,886
20 to 24 years 19,681,213 19,133,226 18,964,001 10,061,983 9,777,802 9,687,814 9,619,230 9,355,424 9,276,187
25 to 29 years 18,926,104 19,246,866 19,381,336 9,592,895 9,737,003 9,798,760 9,333,209 9,509,863 9,582,576
30 to 34 years 20,681,202 20,568,087 20,510,388 10,420,677 10,352,873 10,321,769 10,260,525 10,215,214 10,188,619
35 to 39 years 22,243,146 22,604,380 22,706,664 11,104,822 11,272,043 11,318,696 11,138,324 11,332,337 11,387,968
40 to 44 years 22,775,521 22,526,928 22,441,863 11,298,089 11,171,939 11,129,102 11,477,432 11,354,989 11,312,761
45 to 49 years 20,768,983 20,224,397 20,092,404 10,224,864 9,954,672 9,889,506 10,544,119 10,269,725 10,202,898
50 to 54 years 18,419,209 17,820,336 17,585,548 9,011,221 8,721,937 8,607,724 9,407,988 9,098,399 8,977,824
55 to 59 years 14,190,116 13,568,708 13,469,237 6,865,439 6,557,888 6,508,729 7,324,677 7,010,820 6,960,508
60 to 64 years 11,118,462 10,868,514 10,805,447 5,288,527 5,166,791 5,136,627 5,829,935 5,701,723 5,668,820
65 to 69 years 9,532,702 9,528,653 9,533,545 4,409,658 4,400,035 4,400,362 5,123,044 5,128,618 5,133,183
70 to 74 years 8,780,521 8,845,151 8,857,441 3,887,793 3,901,391 3,902,912 4,892,728 4,943,760 4,954,529
75 to 79 years 7,424,947 7,434,560 7,415,813 3,057,402 3,054,068 3,044,456 4,367,545 4,380,492 4,371,357
80 to 84 years 5,149,013 4,976,650 4,945,367 1,929,315 1,851,043 1,834,897 3,219,698 3,125,607 3,110,470
85 to 89 years 2,887,943 2,811,264 2,789,818 926,654 888,564 876,501 1,961,289 1,922,700 1,913,317
90 to 94 years 1,175,545 1,132,107 1,112,531 303,927 288,545 282,325 871,618 843,562 830,206
95 to 99 years 291,844 290,493 286,784 58,667 59,026 58,115 233,177 231,467 228,669
100 years and over 48,427 51,792 50,454 9,860 10,401 10,057 38,567 41,391 40,397

Selected Age Categories
5 to 13 years 37,001,745 37,027,263 37,025,346 18,951,539 18,964,792 18,963,914 18,050,206 18,062,471 18,061,432
14 to 17 years 16,181,075 16,091,367 16,092,668 8,306,157 8,278,443 8,284,549 7,874,918 7,812,924 7,808,119
18 to 24 years 27,831,041 27,295,600 27,143,454 14,260,320 13,961,035 13,873,829 13,570,721 13,334,565 13,269,625
16 years and over 220,309,468 217,818,993 217,149,127 106,796,084 105,486,789 105,134,229 113,513,384 112,332,204 112,014,898
18 years and over 212,244,726 209,794,486 209,128,094 102,650,130 101,349,254 100,994,367 109,594,596 108,445,232 108,133,727
15 to 44 years 124,574,340 124,295,736 124,224,142 62,901,639 62,702,402 62,647,145 61,672,701 61,593,334 61,576,997
65 years and over 35,290,942 35,070,670 34,991,753 14,583,276 14,453,073 14,409,625 20,707,666 20,617,597 20,582,128
85 years and over 4,403,759 4,285,656 4,239,587 1,299,108 1,246,536 1,226,998 3,104,651 3,039,120 3,012,589

Summary Indicators
Median age 35.6 35.4 35.3 34.2 34.1 34.0 36.8 36.6 36.5
Mean age 36.0 35.8 35.8 34.7 34.5 34.5 37.2 37.1 37.1
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Suggested Citation:
Table US-EST2001-ASRO-01 - Resident Population Estimates of the United States by Age and Sex: April 1, 2000, July 1, 2000 and July 1, 2001
Source: Population Division, U.S. Census Bureau
Release Date: January 21, 2003

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