Table 1-23:  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)",,,,,,,,,,,,,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007
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","28,318","28,296","28,761","28,650","29,035","28,956","31,477","32,976"
U.S. fleet,"2,926","2,376","1,579",857,864,737,636,619,603,565,543,619,603,565,543,509,495,477,470,463,454,443,426,418,412,391,347,216
U.S. Percentage of the world  fleet,16.9,13.0,7.9,3.7,3.5,2.9,2.7,2.6,2.5,2.3,2.2,2.6,2.5,2.3,2.2,2.0,1.8,1.7,1.7,1.6,1.6,1.6,1.5,1.5,1.4,1.4,1.1,0.7
"Freighters, Total","2,138","1,747","1,076",511,471,417,367,359,349,322,308,359,349,322,308,295,292,288,289,284,286,283,276,209,205, (R) 255 , (R) 221 ,124
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","6,680","6,635","6,404","5,092","5,043"," (R) 6,182 "," (R) 5,457 ","4,058"
General cargoa,N,N,N,356,259,209,166,165,182,169,152,165,182,169,152,142,146,142,140,137,136,132,126,123,121,123,96,21
   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","2,362","2,162","1,838","1,810","1,784","1,674","1,379",239
Containership,N,N,N,109,121,104,92,92,83,87,86,92,83,87,86,81,83,85,91,89,90,91,90,86,84,90,76,82
   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","3,058","3,200","3,292","3,282","3,259","3,660","3,102","3,426"
Partial containerships,N,N,N,37,68,63,59,52,30,3,3,52,30,3,3,3,1,1,N,N,N,N,N,N,N,N,N,N
   DWT (thousands),N,N,N,510,940,904,836,741,456,57,57,741,456,57,57,57,17,17,N,N,N,N,N,N,N,N,N,N
RO/RO,N,N,N,9,23,41,50,50,54,63,67,50,54,63,67,69,62,60,58,58,60,60,60,65,65,42,49,21
   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","1,260","1,273","1,273","1,431","1,431",848,976,393
"Tankers, Total",422,341,294,267,308,258,233,226,220,210,200,226,220,210,200,181,173,161,154,154,142,130,120,109,104,100,89,62
   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","11,945","11,028","10,378","9,696","9,289","9,373","8,447","7,532","6,552","5,792","5,640","5,228","4,974","3,842"
Petroleum/chemicalb ships,N,N,N,N,N,244,219,212,206,196,186,212,206,196,186,167,159,148,145,146,142,130,120,109,104,100,89,62
   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","8,447","7,532","6,552","5,792","5,640","5,228","4,974","3,842"
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,N,N,N,N,N,N,N,N
   DWT (thousands),N,N,N,N,N,960,960,960,901,905,905,960,901,905,905,905,905,839,552,528,N,N,N,N,N,N,N,N
"Combination/passenger and cargo, Total",309,227,171,60,65,37,10,10,11,12,13,10,11,12,13,13,15,14,12,11,11,13,12,15,18,15,19,14
   DWT (thousands),"2,070","1,488","1,107",388,446,299,91,92,97,104,115,92,97,104,115,115,139,136,116,99,99,105,100,91,108,82,107,46
"Bulk carriers, Total",57,61,38,19,20,25,26,24,23,21,22,24,23,21,22,20,15,14,15,14,15,17,18,20,20,21,18,15
   DWT (thousands),805,"1,107",767,544,607,"1,152","1,270","1,014",991,949,"1,042","1,014",991,949,"1,042",925,575,321,604,579,604,706,797,837,837,670,543,593
KEY: DWT = deadweight tons; N = data do not exist; R = revised; RO/RO = roll-on/roll-off vessels.,,,,,,,,,,,,,,,,,,,,,,,,,,,,
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a  Includes barge carriers.,,,,,,,,,,,,,,,,,,,,,,,,,,,,
b  Includes integrated tug/barges.,,,,,,,,,,,,,,,,,,,,,,,,,,,,
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NOTES ,,,,,,,,,,,,,,,,,,
Excludes non-merchant 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.  2004 data is as of July 1, 2004.",,,,,,,,,,,,,,,,,,
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SOURCES ,,,,,,,,,,,,,,,,,,
"1960-2000: U.S. Department of Transportation, Maritime Administration, Merchant Fleets of the World (Washington, DC: Annual issues), and unpublished revisions.",,,,,,,,,,,,,,,,,,
"2001-2007: U.S. Department of Transportation, Maritime Administration, personal communication as of January 2008.",,,,,,,,,,,,,,,,,,