Bureau of Transportation Statistics (BTS)
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Table A: Social and Economic Characteristics of the United States

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  1980 1985 1990 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
TOTAL U.S. resident population a (thousands) 226,546 237,924 248,791 266,278 269,394 272,647 275,854 279,040 (R) 281,425 (R) 285,102 (R) 287,941 (R) 290,789 293,655
Population by Age (thousands)                          
Under 18 63,754 62,623 63,949 69,465 70,226 70,917 71,428 71,947 (R) 72,307 (R) 72,610 (R) 72,864 (R) 73,050 73,278
18-24 years 30,022 28,902 26,961 25,482 25,275 25,479 26,059 26,685 (R) 27,193 (R) 27,968 (R) 28,442 (R) 28,924 29,245
25-34 37,082 41,696 43,174 45,052 41,809 41,345 40,757 40,178 (R) 39,895 (R) 39,666 (R) 39,717 (R) 39,842 40,032
35-44 25,634 31,691 37,444 42,711 43,552 44,229 44,748 45,077 (R) 45,150 (R) 45,122 (R) 44,782 (R) 44,396 44,108
45-54 22,800 22,460 25,062 31,480 32,800 34,178 35,232 36,578 (R) 37,674 (R) 39,371 (R) 39,968 (R) 40,802 41,619
55-64 21,703 22,135 21,116 21,320 21,590 22,099 23,011 23,778 (R) 24,273 (R) 25,037 (R) 26,582 (R) 27,832 29,079
65 and over 25,550 28,415 31,084 33,769 34,143 34,402 34,619 34,798 (R) 34,986 (R) 35,328 (R) 35,585 (R) 35,943 36,294
Population by Sex a (thousands)                          
Male 110,053 115,730 121,284 130,215 131,807 133,474 135,130 136,803 (R) 138,056 (R) 140,013 (R) 141,519 (R) 143,024 144,537
Female 116,493 122,194 127,507 136,063 137,587 139,173 140,724 142,237 (R) 143,368 (R) 145,089 (R) 146,422 (R) 147,765 149,118
Population in Metropolitan areas b (millions) 177 U 198 210 212 214 216 U (R) 233 236 (R) 239 (R) 241 244
Large (over 1 million) 119 U 139 147 149 151 153 U (R) 149 152 (R) 154 (R) 156 158
Medium (250,000-999,999) 41 U 41 44 44 43 43 U (R) 56 57 (R) 58 (R) 57 58
Small (less than 250,000) 17 U 18 19 19 20 20 U (R) 28 27 (R) 28 (R) 28 28
Population in Micropolitan areas b (millions) NA NA NA NA NA NA NA NA (R) 29 30 (R) 30 (R) 30 30
Population in Rural / Urbanc areas (thousands)                          
Rural 59,495 U 61,656 U U U U U 59,061 U U U U
Urban 167,051 U 187,053 U U U U U 222,361 U U U U
Population in Regions a (millions)                          
Northeast 49.1 49.9 50.8 52.3 52.5 52.7 53.0 53.3 (R) 53.6 (R) 53.9 (R) 54.2 (R) 54.4 54.6
South 75.4 81.4 85.5 93.2 94.7 96.2 97.7 99.2 (R) 100.2 (R) 101.8 (R) 103.2 (R) 104.5 105.9
Midwest 58.9 58.8 59.7 62.5 62.9 63.3 63.7 64.1 (R) 64.4 (R) 64.8 (R) 65.1 (R) 65.4 65.7
West 43.2 47.8 52.8 58.3 59.2 60.3 61.4 62.4 (R) 63.2 (R) 64.5 (R) 65.5 (R) 66.4 67.4
Number of Immigrants admitted d 530,639 570,009 1,536,483 720,461 915,900 798,378 654,451 646,568 849,807 1,064,318 1,063,732 705,827 946,142
Total area e (square miles) 3,618,770 U 3,717,796 U U U U U 3,794,083 U U U U
Gross domestic product (chained $ 2000 billions) f U U U U U U 9,066.9 9,470.3 9,817.0 9,890.7 (R) 10,048.8 (R) 10,320.6 10,755.7
Government, total U U U U U U 1,165.7 1,178.7 1,202.7 1,212.2 (R) 1,232.4 (R) 1,248.0 1,260.0
Private industry, total U U U U U U 7,896.0 8,285.5 8,614.3 8,692.5 (R) 8,817.1 (R) 9,060.3 9,481.7
Agriculture, forestry, fishing, and hunting U U U U U U 84.6 87.4 98.0 91.8 (R) 96.8 (R) 104.2 106.0
Mining U U U U U U 123.4 126.6 121.3 114.9 (R) 107.6 (R) 106.0 108.4
Utilities U U U U U U 171.3 179.2 189.3 180.0 (R) 187.7 (R) 202.3 204.5
Construction U U U U U U 423.2 433.3 435.9 436.6 (R) 428.1 (R) 422.4 432.9
Manufacturing U U U U U U 1,286.2 1,342.1 1,426.2 1,346.9 (R) 1,384.4 (R) 1,410.4 1,478.1
Wholesale trade U U U U U U 564.7 594.1 591.7 633.1 (R) 639.4 (R) 653.6 683.7
Retail trade U U U U U U 598.8 633.9 662.4 708.6 (R) 724.0 (R) 749.9 797.7
Transportation and warehousing U U U U U U 275.8 287.4 301.6 293.6 (R) 300.2 (R) 311.2 323.8
Information U U U U U U 377.0 437.5 458.3 476.8 (R) 487.0 (R) 500.0 563.8
Finance, insurance, real estate, rental, and leasing U U U U U U 1,741.7 1,834.3 1,931.0 2,005.4 (R) 2,023.6 (R) 2,093.3 2,173.1
Professional and business services U U U U U U 1,049.3 1,105.5 1,140.8 1,133.4 (R) 1,131.6 (R) 1,168.1 1,243.3
Educational services, health care, and social assistance U U U U U U 648.6 660.1 678.4 700.1 (R) 729.5 (R) 749.8 773.6
Arts, entertainment, recreation, accomodation, and food services U U U U U U 327.2 339.0 350.1 347.6 (R) 353.7 (R) 364.1 375.2
Other services, except government U U U U U U 233.4 229.7 229.1 225.3 (R) 226.1 (R) 228.6 231.4
Total civilian labor force (thousands) 106,940 115,461 125,840 132,304 133,943 136,297 137,673 139,368 142,583 143,734 144,863 146,510 147,401
Participation rate of men (percent) 77.4 76.3 76.4 75.0 74.9 75.0 74.9 74.7 74.8 74.4 74.1 73.5 73.3
Participation rate of women (percent) 51.5 54.5 57.5 58.9 59.3 59.8 59.8 60.0 59.9 59.8 59.6 59.5 59.2
Number of households (thousands) 80,776 86,789 93,347 98,990 99,627 101,018 102,528 103,874 104,705 108,209 109,297 111,278 112,000
Average size of households 2.76 2.69 2.63 2.65 2.65 2.64 2.62 2.61 2.62 2.58 2.58 2.57 2.57
Median household income g (constant $ 2004) 38,453 39,545 41,963 41,943 42,544 43,430 45,003 46,129 46,058 45,062 44,546 44,482 44,389
Average household expenditures g (constant $ 2004) U 41,238 41,019 39,991 40,690 40,980 41,181 41,947 41,735 42,151 42,712 41,904 43,395

KEY: NA = not applicable; R = revised; U = data are not available.

a Estimates as of July 1 except 1980, 1990, and 2000, which are as of April 1.

b New metropolitan area definitions were published by the Office of Budget and Management (OMB) in 2003. These definitions were applied to population data by the Census Bureau beginning with the data from the 2000 Census. A new term, core based statistical areas (CBSAs), collectively refers to metropolitan and micropolitan statistical areas. A metropolitan statistical area is defined as having at least one urbanized area of 50,000 or more inhabitants. A micropolitan statistical area is defined as having at least one urban cluster of more than 10,000 but less than 50,000 inhabitants.

c As of April 1 of year indicated. The Census Bureau only tabulates urban / rural numbers for the decennial census years.

d Fiscal year ending September 30.

e The Census Bureau calculates square mileage comprising land and water area for the decennial census years. Data for 1980 comprises land and inland water. Data for 1990 comprises land, Great Lakes, inland water, and coastal water. Data for 2000 comprises land, Great Lakes, inland water, territorial water, and coastal water.

f Sums of chained-dollar estimates do not add to national totals because the chain-type indices used to derive them are based on weights of more than one period.

g Converted to constant 2004 dollars using the CPI-U-RS price index.

SOURCES

U.S. resident population:

1980: U.S. Department of Commerce, Bureau of the Census, Statistical Abstract of the United States 2004-2005 (Washington, DC: 2004), table 11, Internet site http://www.census.gov/prod/www/statistical-abstract.html as of Feb. 2, 2005.

1985: Ibid., Statistical Abstract of the United States 2000 (Washington, DC: 2001), table 15.

1990-99: Ibid., National Intercensal Estimates of the United States Resident Population by Age and Sex (Washington, DC: 2004), Internet site http://www.census.gov/popest/archives/EST90INTERCENSAL/US-EST90INT-datasets.html as of Feb. 2, 2006.

2000-04: Ibid., Annual Estimates of the Population by Selected Age Groups and Sex for the United States (Washington, DC: June 2005), table 2, Internet site http://www.census.gov/popest/national/asrh/NC-EST2004-sa.html as of Feb. 2, 2006.

Age:

1980: Ibid., Statistical Abstract of the United States 2004-2005 (Washington, DC: 2004), table 11, Internet site http://www.census.gov/prod/www/statistical-abstract.html as of Feb. 8, 2005.

1985: Ibid., Statistical Abstract of the United States 2000 (Washington, DC: 2001), table 12.

1990-99: Ibid., National Intercensal Estimates of the United States Resident Population by Age and Sex (Washington, DC: 2004), Internet site http://www.census.gov/popest/archives/EST90INTERCENSAL/US-EST90INT-datasets.html as of Feb. 2, 2006.

2000-04: Ibid., Statistical Abstract of the United States 2006 (Washington, DC: 2006), table 11, Internet site http://www.census.gov/prod/www/statistical-abstract.html as of Jan.18, 2006.

Sex:

1980: Ibid., Statistical Abstract of the United States 2004-2005 (Washington, DC: 2004), table 11, Internet site http://www.census.gov/prod/www/statistical-abstract-04.html as of Feb. 2, 2005.

1985: Ibid., Historical Annual Time Series of State Population Estimates and Demographic Components of Change 1980 to 1990, by Single Year of Age and Sex (Washington, DC: 2004), Internet site http://www.census.gov/popest/archives/1980s/80s_st_age_sex.html as of Feb. 2, 2005.

1990-99: Ibid., National Intercensal Estimates of the United States Resident Population by Age and Sex (Washington, DC: 2004), Internet site http://www.census.gov/popest/archives/EST90INTERCENSAL/US-EST90INT-datasets.html as of Feb. 2, 2006.

2000-04: Ibid., Annual Estimates of the Population by Selected Age Groups and Sex for the United States(Washington, DC: June 2005), table 2, Internet site http://www.census.gov/propest/national/asrh/NC-EST2004-sa.html as of Feb. 2, 2006.

Metropolitan areas:

1980-90, 1998: Ibid., Statistical Abstract of the United States 2000 (Washington, DC: 2001), table 32.

2000-04: U.S. Census Bureau, Population Division, Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas (Washington, DC: January 2006), table 1, Internet site http://www.census.gov/population/www/estimates/Estimates%20pages_final.html as of Mar. 7, 2006.

Micropolitan areas:

2000-04: U.S. Census Bureau, Population Division, Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas (Washington, DC: January 2006), table 1, Internet site http://www.census.gov/population/www/estimates/Estimates%20pages_final.html as of Mar. 7, 2006.

Rural / urban:

1980-90: Ibid., Statistical Abstract of the United States 2000 (Washington, DC: 2001), table 37.

2000: Ibid., Census 2000: Summary File 2 (SF 2), Internet site http://www.census.gov/Press-Release/www/2001/sumfile2.html as of June 18, 2003.

Regions:

1985: Ibid., Statistical Abstract of the United States 1995 (Washington, DC: 1996), table 27.

1995-99: Ibid., Time Series of Intercensal Estimates (Washington DC: 2004), http://www.census.gov/popest/archives/2000s/vintage_2001/CO-EST2001-12/ as of Feb. 2, 2005.

1980, 1990, 2000-04: Ibid., Statistical Abstract of the United States 2006 (Washington, DC: 2006), table 17, Internet site http://www.census.gov/prod/www/statistical-abstract.html as of Jan. 18, 2006.

Immigrants:

U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Yearbook of Immigration Statistics (Washington, DC: Annual Issues), table 1, Internet site http://uscis.gov/graphics/shared/statistics/yearbook/index.htm as of Mar. 7, 2006.

Total area:

U.S. Department of Commerce, Bureau of the Census, Statistical Abstract of the United States 2002 (Washington, DC:2003), table 1.

Gross domestic product:

U.S. Department of Commerce, Bureau of Economic Analysis, Industry Economic Accounts, Annual Industry Accounts, Internet site http://www.bea.gov/bea/dn2/home/annual_industry.htm as of Jan. 19, 2006.

Civilian labor force:

U.S. Department of Labor, Bureau of Labor Statistics, Employment and Earnings (Washington, DC: 2006), table 2, Internet site http://www.bls.gov/cps/home.htm as of Feb. 23, 2006.

Participation rates:

U.S. Department of Labor, Bureau of Labor Statistics, Current Population Survey, Table 2, Employment Status of the Civilian Noninstitutional Population 16 years and Over by Sex, 1971 to Date, Internet site http://www.bls.gov/cps/cpsaat2.pdf as of Jan. 18, 2006.

Number of households:

U.S. Department of Commerce, Bureau of the Census, Current Population Survey, Table HH-6, Average Populaton Per Household and Family: 1940 to Present, Internet site http://www.census.gov/population/socdemo/hh-fam/tabHH-6.pdf as of Jan. 16, 2006.

Average size of households:

U.S. Department of Commerce, Bureau of the Census, Current Population Survey, Table HH-6, Average Population Per Household and Family: 1940 to Present, Internet site http://www.census.gov/population/socdemo/hh-fam/hh6.pdf as Jan. 16, 2006.

Median household income:

U.S. Department of Labor, Bureau of the Census, Current Population Survey, Table H-5, Race and Hispanic Origin of Householder--Households by Median and Mean Income: 1967 to 2004, Internet site http://www.bls.gov/cex/2004/standard/multiyr.pdf as of Jan. 16, 2006.

Average household expenditures:

U.S Department of Labor, Bureau of Labor Statistics, Consumer Expenditure Survey, Average Annual Expenditures, All Consumer Units, Internet site http://www.bls.gov/data/home.htm as of Mar. 7 2006.