Population Pyramids of United States 2000 2020

2000

Population Pyramids of United States Percent of Total Population

2020

Male

85+

Female

80 - 84 75 - 79

Male

70 - 74

65 - 69

60 - 64

55 - 59

50 - 54

45 - 49

40 - 44

35 - 39

30 - 34

25 - 29

20 - 24

15 - 19

10 - 14

5 - 9

0 - 4

Female

5

4

3

2

1

0

1

2

3

4

5

5

4

3

2

1

0

1

2

3

4

5

Age Group

Total 0 - 4 5 - 9 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34 35 - 39 40 - 44 45 - 49 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 85+

Total 281,421,906

19,175,798 20,549,505 20,528,072 20,219,890 18,964,001 19,381,336 20,510,388 22,706,664 22,441,863 20,092,404 17,585,548 13,469,237 10,805,447

9,533,545 8,857,441 7,415,813 4,945,367 4,239,587

Census 2000

Number

Male

Female

138,053,563 143,368,343

9,810,733 9,365,065

10,523,277 10,026,228

10,520,197 10,007,875

10,391,004 9,828,886

9,687,814 9,276,187

9,798,760 9,582,576

10,321,769 10,188,619

11,318,696 11,387,968

11,129,102 11,312,761

9,889,506 10,202,898

8,607,724 8,977,824

6,508,729 6,960,508

5,136,627 5,668,820

4,400,362 5,133,183

3,902,912 4,954,529

3,044,456 4,371,357

1,834,897 3,110,470

1,226,998 3,012,589

Percent Total 100.0 6.8 7.3 7.3 7.2 6.7 6.9 7.3 8.1 8.0 7.1 6.2 4.8 3.8 3.4 3.1 2.6 1.8 1.5

Projection 2020

Number

Total

Male

Female

335,804,546 165,093,306 170,711,240

22,932,056 11,716,387 11,215,669

22,563,726 11,524,759 11,038,967

21,913,742 11,194,358 10,719,384

21,478,016 10,985,182 10,492,834

20,750,767 10,584,268 10,166,499

22,361,300 11,348,373 11,012,927

22,704,397 11,490,326 11,214,071

22,142,571 11,180,011 10,962,560

20,673,192 10,363,454 10,309,738

20,219,160 10,050,717 10,168,443

20,702,172 10,223,034 10,479,138

21,875,610 10,663,607 11,212,003

20,855,946 10,028,797 10,827,149

17,618,270 8,284,417 9,333,853

14,160,889 6,469,955 7,690,934

9,449,842 4,107,242 5,342,600

6,133,982 2,475,053 3,658,929

7,268,908 2,403,366 4,865,542

Percent Total 100.0 6.8 6.7 6.5 6.4 6.2 6.7 6.8 6.6 6.2 6.0 6.2 6.5 6.2 5.2 4.2 2.8 1.8 2.2

Under 18 5-17 18-24 25-44 45-64 65+

72,293,812 53,118,014 27,143,454 85,040,251 61,952,636 34,991,753

37,059,196 27,248,463 13,873,829 42,568,327 30,142,586 14,409,625

35,234,616 25,869,551 13,269,625 42,471,924 31,810,050 20,582,128

25.7 80,299,806 41,028,237 39,271,569

23.9

18.9 57,367,750 29,311,850 28,055,900

17.1

9.6 29,338,501 14,976,717 14,361,784

8.7

30.2 87,881,460 44,382,164 43,499,296

26.2

22.0 83,652,888 40,966,155 42,686,733

24.9

12.4 54,631,891 23,740,033 30,891,858

16.3

2000 - 2020 Change

Total

Number Percent

54,382,640

19.3

3,756,258

19.6

2,014,221

9.8

1,385,670

6.8

1,258,126

6.2

1,786,766

9.4

2,979,964

15.4

2,194,009

10.7

-564,093

-2.5

-1,768,671

-7.9

126,756

0.6

3,116,624

17.7

8,406,373

62.4

10,050,499

93.0

8,084,725

84.8

5,303,448

59.9

2,034,029

27.4

1,188,615

24.0

3,029,321

71.5

8,005,994

11.1

4,249,736

8.0

2,195,047

8.1

2,841,209

3.3

21,700,252

35.0

19,640,138

56.1

Demographic Indicator Median Age

Male Female Dependency Ratio (1) Youth (2) Old Age (3)

2000 35.3 34.0 36.5 69.6 48.5 21.1

2020 38.0 36.7 39.3 74.6 46.2 28.4

Change 2.7 2.6 2.8 5.1 -2.3 7.3

Demographic Indicator Child-Women Ratio (4) Sex Ratio (5)

Under 18 18-64 65-84 85+

2000 31.1 96.3

105.2 98.9 75.0 40.7

2020 35.7 96.7

104.5 99.8 82.0 49.4

Change 4.6 0.4 -0.7 0.9 6.9 8.7

(1) Dependency Ratio = (Age under 20 + Age 65 and over) / (Age 20-64) X 100 (2) Youth dependency ratio = Age under 20 / Age 20- 64 X 100 (3) Old age dependency ratio = Age 65 and over / Age 20 - 64 X100

(4) Child-Women ratio = Age under 5 / Female 15 - 44 X 100 (5) Sex Ratio = Male / Female X 100

Source: U.S. Census Bureau, Population Division, Interim State Population Projections, 2005 Internet Release Date: April 21, 2005

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