Table 1-3:  Number of U.S. Airportsa,,,,,,,,,,,,,,
,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001
TOTAL airports,"15,161","16,319","17,490","17,581","17,846","18,317","18,343","18,224","18,292","18,345","18,770","19,098","19,281","19,306"
"Public use, total","4,814","5,858","5,589","5,551","5,545","5,538","5,474","5,415","5,389","5,357","5,352","R5,324","5,317","5,315"
"Lighted runways, percent",66.2,68.1,71.4,71.9,72.3,72.8,73.5,74.3,74.5,74.6,74.8,R76.1,75.9,75.9
"Paved runways, percent",72.3,66.7,70.7,71.5,71.6,72.2,72.9,73.3,73.7,74.0,74.2,74.2,74.3,74.3
"Private use, total","10,347","10,461","11,901","12,030","12,301","12,779","12,869","12,809","12,903","12,988","13,418","13,774","13,964","13,990"
"Lighted runways, percent",15.2,9.1,7.0,6.8,6.6,6.3,6.2,6.4,6.4,6.4,6.3,6.7,7.2,7.3
"Paved runways, percent",13.3,17.4,31.5,32.0,32.2,32.7,33.0,33.0,32.9,33.0,33.2,31.8,32.0,32.0
"Certificatedb, total",730,700,680,669,664,670,672,667,671,660,660,655,651,635
Civil,N,N,N,N,N,N,577,572,577,566,566,565,563,562
Civil-military,N,N,N,N,N,N,95,95,94,94,94,90,88,73
"General aviation, total ","14,431","15,619","16,810","16,912","17,182","17,637","17,671","17,557","17,621","17,685","18,110","18,443","18,630","18,760"
 KEY:  N = data do not exist; R = revised.,,,,,,,,,,,,,,
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"a Includes civil and joint-use civil-military airports, heliports, STOL (short takeoff and landing) ports, and seaplane bases in the United States and its territories.",,,,,,,,,,,,,,
b  Certificated airports serve air-carrier operations with aircraft seating more than 30 passengers.,,,,,,,,,,,,,,
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SOURCES  ,,,,,,,,,,,,,,
"1980-2000:  U.S. Department of Transportation, Federal Aviation Administration, Administrator's Fact Book (Washington, DC: Annual issues), Internet site http://www.atctraining.faa.gov/ as of Aug. 1, 2001. ",,,,,,,,,,,,,,
"2001:  U.S. Department of Transportation, Federal Aviation Administration, personal communication, May 27, 2002.",,,,,,,,,,,,,,