Table 1-20,,,,,,,,,,,,,,,,,,,,,,
Number and Size of the U.S. Flag Merchant Fleet and Its Share of the World Fleet ,,,,,,,,,,,,,,,,,,,,,,
"(Oceangoing ships of 1,000 gross tons and over)",,,,,,,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1991,1992,1993,1994,1995,1996,1997,1998,1999,,
World fleet,"17,317","18,329","19,980","22,872","24,867","25,555","23,596","23,943","23,753","24,331","25,092","23,943","23,753","24,331","25,092","25,608","26,858","27,557","27,825","28,259",,
,,,,,,,,,,,,,,,,,,,,,,
U.S. fleet,"2,926","2,376","1,579",857,864,737,636,619,603,565,543,619,603,565,543,509,495,477,470,463,,
U.S. share of the world  fleet,17%,13%,8%,4%,3%,3%,3%,3%,3%,2%,2%,3%,3%,2%,2%,2%,2%,2%,2%,2%,,
,,,,,,,,,,,,,,,,,,,,,,
"Freighters, Total","2,138","1,747","1,076",511,471,417,367,359,349,322,308,359,349,322,308,295,292,288,289,284,,
,,,,,,,,,,,,,,,,,,,,,,
DWT  (thousands),"21,877","18,127","11,733","7,051","6,885","7,353","7,265","7,156","7,211","7,040","6,866","7,156","7,211","7,040","6,866","6,517","6,419","6,458","6,732","6,696",,
,,,,,,,,,,,,,,,,,,,,,,
General cargoa,N,N,N,356,259,209,166,165,182,169,152,165,182,169,152,142,146,142,140,137,,
DWT (thousands),N,N,N,"4,640","3,329","2,980","2,605","2,592","2,973","2,913","2,677","2,592","2,973","2,913","2,677","2,472","2,467","2,420","2,400","2,404",,
,,,,,,,,,,,,,,,,,,,,,,
Containership,N,N,N,109,121,104,92,92,83,87,86,92,83,87,86,81,83,85,91,89,,
DWT (thousands),N,N,N,"1,773","2,289","2,651","2,856","2,856","2,722","2,812","2,802","2,856","2,722","2,812","2,802","2,600","2,639","2,743","3,096","3,056",,
,,,,,,,,,,,,,,,,,,,,,,
Partial containerships,N,N,N,37,68,63,59,52,30,3,3,52,30,3,3,3,1,1,N,N,,
DWT (thousands),N,N,N,510,940,904,836,741,456,57,57,741,456,57,57,57,17,17,N,N,,
,,,,,,,,,,,,,,,,,,,,,,
RO/RO,N,N,N,9,23,41,50,50,54,63,67,50,54,63,67,69,62,60,58,58,,
DWT (thousands),N,N,N,128,327,818,968,967,"1,060","1,258","1,330",967,"1,060","1,258","1,330","1,388","1,296","1,278","1,236","1,236",,
,,,,,,,,,,,,,,,,,,,,,,
"Tankers, Total",422,341,294,267,308,258,233,226,220,210,200,226,220,210,200,181,173,161,154,154,,
   DWT (thousands),"7,815","7,561","7,739","9,711","16,152","15,534","15,641","14,993","14,180","13,048","11,945","14,993","14,180","13,048","1,055","11,028","10,378","9,696","9,289","9,373",,
Petroleum/chemicalb ships,N,N,N,N,N,244,219,212,206,196,186,212,206,196,186,167,159,148,145,146,,
   DWT (thousands),N,N,N,N,N,"14,574","14,681","14,033","13,279","12,143","11,040","14,033","13,279","12,143","11,040","10,123","9,473","8,857","8,737","8,845",,
Liquefied petroleum/,,,,,,,,,,,,,,,,,,,,,,
   natural gas ships,N,N,N,N,N,14,14,14,14,14,14,14,14,14,14,14,14,13,9,8,,
   DWT (thousands),N,N,N,N,N,960,960,960,901,905,905,960,901,905,905,905,905,839,552,528,,
,,,,,,,,,,,,,,,,,,,,
Combination/,,,,,,,,,,,,,,,,,,,,
"   passenger and cargo, Total",309,227,171,60,65,37,10,10,11,12,13,10,11,12,13,13,15,14,12,11
   DWT (thousands),"2,070","1,488","1,107",388,446,299,91,92,97,104,115,92,97,104,115,115,139,136,116,99
,,,,,,,,,,,,,,,,,,,,
"Bulk carriers, Total",57,61,38,19,20,25,26,24,23,21,22,24,23,21,22,20,15,14,15,14
   DWT (thousands),805,"1,107",767,544,607,"1,152","1,270","1,014",991,949,"1,042","1,014",991,949,"1,042",925,575,321,604,579
,,,,,,,,,,,,,,,,,,,,

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a  Includes barge carriers.,,,,,,,,,,,,,,,,,,,,
b  Includes integrated tug/barges.,,,,,,,,,,,,,,,,,,,,
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KEY:  DWT = deadweight tons; N = data do not exist; RO/RO = roll-on/roll-off vessels.,,,,,,,,,,,,,,,,,,,,
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NOTES:  Excludes nonmerchant type and/or U.S. Navy-owned vessels currently in the National Defense Reserve Fleet.,,,,,,,,,,,,,,,,,,,,
Excludes ships operating exclusively on the Great Lakes and inland waterways and special types such as: channel,,,,,,,,,,,,,,,,,,
"ships, icebreakers, cable ships, and merchant ships owned by military forces.  All data are as of December 31 ",,,,,,,,,,,,,,,,,,
of year shown.,,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,,
"SOURCES:  1960-1997: U.S. Department of Transportation, Maritime Administration, Merchant Fleets of the World  (Washington, DC: Annual ",,,,,,,,,,,,,,,,,,
"issues), and unpublished revisions.",,,,,,,,,,,,,,,,,,
"1998-1999: Ibid., Personal communication, May 17, 2000.",,,,,,,,,,,,,,,,,,
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