SOURCE
CIA World Factbooks 18 December 2003 to 28 March 2011
DEFINITION
Merchant marine may be defined as all ships engaged in the carriage of goods; or all commercial vessels (as opposed to all nonmilitary ships), which excludes tugs, fishing vessels, offshore oil rigs, etc. This entry contains information in four fields - total , ships by type , foreign-owned , and registered in other countries . Total includes the number of ships (1,000 GRT or over), total DWT for those ships, and total GRT for those ships. DWT or dead weight tonnage is the total weight of cargo, plus bunkers, stores, etc., that a ship can carry when immersed to the appropriate load line. GRT or gross register tonnage is a figure obtained by measuring the entire sheltered volume of a ship available for cargo and passengers and converting it to tons on the basis of 100 cubic feet per ton; there is no stable relationship between GRT and DWT. Ships by type includes a listing of barge carriers, bulk cargo ships, cargo ships, chemical tankers, combination bulk carriers, combination ore/oil carriers, container ships, liquefied gas tankers, livestock carriers, multifunctional large-load carriers, petroleum tankers, passenger ships, passenger/cargo ships, railcar carriers, refrigerated cargo ships, roll-on/roll-off cargo ships, short-sea passenger ships, specialized tankers, and vehicle carriers. Foreign-owned are ships that fly the flag of one country but belong to owners in another. Registered in other countries are ships that belong to owners in one country but fly the flag of another.
Transportation Statistics > Merchant marine > by type (most recent) by country
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Countries (A to Z)
Description
Albania
bulk carrier 1, cargo 23, roll on/roll off 1
Algeria
bulk carrier 6, cargo 8, chemical tanker 2, liquefied gas 9, passenger/cargo 3, petroleum tanker 4, roll on/roll off 3
Angola
cargo 1, passenger/cargo 2, petroleum tanker 3, roll on/roll off 1
Antigua and Barbuda
barge carrier 1, bulk carrier 53, cargo 703, carrier 6, chemical tanker 4, container 412, liquefied gas 12, petroleum tanker 1, refrigerated cargo 9, roll on/roll off 16, vehicle carrier 2
Argentina
bulk carrier 3, cargo 7, chemical tanker 4, container 1, passenger/cargo 3, petroleum tanker 23, refrigerated cargo 2
Australia
bulk carrier 10, cargo 8, liquefied gas 4, passenger 6, passenger/cargo 6, petroleum tanker 6, roll on/roll off 5
Austria
cargo 2
Azerbaijan
cargo 27, passenger 2, passenger/cargo 9, petroleum tanker 48, roll on/roll off 3, specialized tanker 3
Bahamas, The
barge carrier 1, bulk carrier 229, cargo 191, carrier 2, chemical tanker 80, combination ore/oil 8, container 50, liquefied gas 78, passenger 100, passenger/cargo 29, petroleum tanker 222, refrigerated cargo 106, roll on/roll off 12, specialized tanker 2, vehicle carrier 60
Bahrain
bulk carrier 2, container 4, petroleum tanker 1
Bangladesh
bulk carrier 16, cargo 25, container 5, petroleum tanker 4
Barbados
bulk carrier 19, cargo 55, chemical tanker 9, passenger 1, passenger/cargo 1, petroleum tanker 4, refrigerated cargo 5, roll on/roll off 1
Belgium
bulk carrier 21, cargo 8, chemical tanker 5, container 4, liquefied gas 23, passenger 2, petroleum tanker 11, roll on/roll off 7
Belize
barge carrier 1, bulk carrier 37, cargo 146, chemical tanker 1, passenger 1, passenger/cargo 1, petroleum tanker 7, refrigerated cargo 27, roll on/roll off 10
Bermuda
bulk carrier 22, chemical tanker 3, container 15, liquefied gas 38, passenger 26, passenger/cargo 6, petroleum tanker 20, refrigerated cargo 9
Bolivia
bulk carrier 3, cargo 11, carrier 1, passenger/cargo 1, petroleum tanker 2, roll on/roll off 3, specialized tanker 1
Brazil
bulk carrier 19, cargo 18, chemical tanker 6, container 12, liquefied gas 12, passenger/cargo 10, petroleum tanker 42, roll on/roll off 7
British Virgin Islands
cargo 1
Brunei
chemical tanker 1, liquefied gas 8
Bulgaria
bulk carrier 16, cargo 10, chemical tanker 1, liquefied gas 2, passenger/cargo 1, petroleum tanker 2, roll on/roll off 4, specialized tanker 1
Burma
bulk carrier 1, cargo 19, passenger 2, passenger/cargo 3, specialized tanker 1
Cambodia
bulk carrier 40, cargo 526, carrier 5, chemical tanker 5, container 5, liquefied gas 1, passenger 1, passenger/cargo 7, petroleum tanker 12, refrigerated cargo 13, roll on/roll off 5
Cameroon
petroleum tanker 1
Canada
bulk carrier 66, cargo 12, carrier 1, chemical tanker 14, combination ore/oil 1, container 2, passenger 6, passenger/cargo 64, petroleum tanker 12, roll on/roll off 6
Cape Verde
cargo 3, chemical tanker 3, passenger/cargo 7
Cayman Islands
bulk carrier 20, cargo 3, chemical tanker 56, liquefied gas 1, petroleum tanker 8, refrigerated cargo 10, vehicle carrier 15
Chile
bulk carrier 11, cargo 10, chemical tanker 8, container 1, liquefied gas 2, passenger 4, passenger/cargo 3, petroleum tanker 8, roll on/roll off 1
China
barge carrier 6, bulk carrier 571, cargo 639, carrier 5, chemical tanker 98, container 204, liquefied gas 55, passenger 9, passenger/cargo 83, petroleum tanker 271, refrigerated cargo 35, roll on/roll off 9, specialized tanker 1, vehicle carrier 24
Colombia
cargo 11, petroleum tanker 1, specialized tanker 1
Comoros
bulk carrier 19, cargo 102, carrier 5, chemical tanker 6, container 2, passenger 3, passenger/cargo 1, petroleum tanker 15, refrigerated cargo 12, roll on/roll off 12
Congo, Democratic Republic of the
petroleum tanker 1
Cook Islands
bulk carrier 1, cargo 27, passenger 1, refrigerated cargo 5
Costa Rica
passenger/cargo 1
Croatia
bulk carrier 24, cargo 7, chemical tanker 6, passenger/cargo 27, petroleum tanker 10, refrigerated cargo 1
Cuba
cargo 2, passenger 1, refrigerated cargo 2
Cyprus
bulk carrier 267, cargo 173, chemical tanker 77, container 193, liquefied gas 10, passenger 3, passenger/cargo 24, petroleum tanker 69, refrigerated cargo 6, roll on/roll off 13, vehicle carrier 4
Denmark
bulk carrier 4, cargo 56, carrier 1, chemical tanker 104, container 87, liquefied gas 4, passenger/cargo 40, petroleum tanker 38, refrigerated cargo 4, roll on/roll off 6, specialized tanker 3
Djibouti
cargo 1
Dominica
bulk carrier 11, cargo 20, chemical tanker 2, petroleum tanker 4, refrigerated cargo 2, roll on/roll off 1
Dominican Republic
cargo 1
East Timor
passenger/cargo 1
Ecuador
cargo 1, chemical tanker 3, liquefied gas 1, passenger 9, petroleum tanker 26, refrigerated cargo 1
Egypt
bulk carrier 11, cargo 24, container 3, passenger/cargo 7, petroleum tanker 12, roll on/roll off 9
Equatorial Guinea
cargo 1, chemical tanker 1, petroleum tanker 2
Eritrea
cargo 2, petroleum tanker 1, roll on/roll off 1
Estonia
cargo 4, chemical tanker 1, passenger/cargo 17, petroleum tanker 2
Ethiopia
cargo 8, roll on/roll off 1
Faroe Islands
cargo 11, chemical tanker 6, container 2, passenger 1, passenger/cargo 3, refrigerated cargo 2, roll on/roll off 1
Fiji
passenger 4, passenger/cargo 4, roll on/roll off 2
Finland
bulk carrier 1, cargo 26, carrier 1, chemical tanker 6, container 3, passenger 4, passenger/cargo 16, petroleum tanker 5, roll on/roll off 28, vehicle carrier 3
France
bulk carrier 2, cargo 8, chemical tanker 36, container 25, liquefied gas 12, passenger 11, passenger/cargo 44, petroleum tanker 17, refrigerated cargo 1, roll on/roll off 11
French Polynesia
cargo 6, passenger 2, passenger/cargo 5, refrigerated cargo 1, roll on/roll off 1
French Southern and Antarctic Lands
bulk carrier 2, chemical tanker 27, container 18, liquefied gas 5, petroleum tanker 15, roll on/roll off 6, vehicle carrier 4
Gambia, The
passenger/cargo 4, petroleum tanker 1
Georgia
bulk carrier 18, cargo 151, carrier 1, chemical tanker 3, container 2, liquefied gas 1, passenger/cargo 3, petroleum tanker 3, refrigerated cargo 2, roll on/roll off 7, vehicle carrier 2
Germany
barge carrier 2, bulk carrier 7, cargo 44, carrier 1, chemical tanker 15, container 293, liquefied gas 7, passenger 4, passenger/cargo 27, petroleum tanker 10, refrigerated cargo 1, roll on/roll off 9, vehicle carrier 1
Ghana
petroleum tanker 1, refrigerated cargo 3
Gibraltar
bulk carrier 1, cargo 139, chemical tanker 65, container 35, liquefied gas 2, petroleum tanker 11, roll on/roll off 4, vehicle carrier 8
Greece
bulk carrier 263, cargo 53, carrier 1, chemical tanker 72, container 34, liquefied gas 13, passenger 8, passenger/cargo 116, petroleum tanker 312, roll on/roll off 13, specialized tanker 1
Greenland
passenger 1
Guadeloupe
passenger 1
Guyana
cargo 6, petroleum tanker 1, refrigerated cargo 1
Honduras
bulk carrier 8, cargo 50, carrier 2, chemical tanker 7, container 1, passenger 3, passenger/cargo 2, petroleum tanker 22, refrigerated cargo 6, roll on/roll off 3
Hong Kong
barge carrier 2, bulk carrier 629, cargo 177, carrier 11, chemical tanker 134, container 274, liquefied gas 37, passenger 4, passenger/cargo 9, petroleum tanker 139, roll on/roll off 5, vehicle carrier 8
Hungary
cargo 2
Iceland
passenger/cargo 2
India
bulk carrier 94, cargo 78, chemical tanker 23, container 15, liquefied gas 11, passenger 4, passenger/cargo 12, petroleum tanker 87
Indonesia
bulk carrier 95, cargo 601, chemical tanker 57, container 112, liquefied gas 17, passenger 47, passenger/cargo 76, petroleum tanker 214, refrigerated cargo 4, roll on/roll off 12, specialized tanker 1, vehicle carrier 8
Iran
bulk carrier 11, cargo 40, chemical tanker 5, container 9, liquefied gas 1, passenger/cargo 3, petroleum tanker 1, refrigerated cargo 2, roll on/roll off 2
Iraq
petroleum tanker 2
Ireland
cargo 25, chemical tanker 2, container 1
Israel
cargo 2, container 8
Italy
bulk carrier 81, cargo 47, carrier 1, chemical tanker 169, container 22, liquefied gas 25, passenger 23, passenger/cargo 160, petroleum tanker 56, refrigerated cargo 4, roll on/roll off 34, specialized tanker 11, vehicle carrier 34
Jamaica
bulk carrier 9, cargo 5, container 4, roll on/roll off 1
Japan
bulk carrier 152, cargo 31, carrier 3, chemical tanker 28, container 2, liquefied gas 63, passenger 12, passenger/cargo 120, petroleum tanker 152, refrigerated cargo 4, roll on/roll off 52, vehicle carrier 54
Jordan
cargo 5, passenger/cargo 6, petroleum tanker 1, roll on/roll off 1
Kazakhstan
petroleum tanker 6, refrigerated cargo 1, specialized tanker 1
Kenya
petroleum tanker 1
Kiribati
bulk carrier 6, cargo 32, chemical tanker 6, passenger/cargo 1, petroleum tanker 11, refrigerated cargo 15
Korea, North
bulk carrier 8, cargo 129, carrier 1, container 3, passenger/cargo 1, petroleum tanker 11, refrigerated cargo 3, roll on/roll off 2
Korea, South
bulk carrier 201, cargo 246, carrier 5, chemical tanker 132, container 69, liquefied gas 40, passenger 5, passenger/cargo 21, petroleum tanker 67, refrigerated cargo 15, roll on/roll off 9, vehicle carrier 9
Kuwait
bulk carrier 1, carrier 3, container 6, liquefied gas 4, petroleum tanker 16
Laos
cargo 1
Latvia
cargo 3, chemical tanker 1, passenger/cargo 5, petroleum tanker 3, roll on/roll off 1
Lebanon
bulk carrier 3, cargo 12, carrier 11, refrigerated cargo 1, vehicle carrier 2
Liberia
barge carrier 3, bulk carrier 507, cargo 136, carrier 1, chemical tanker 232, combination ore/oil 6, container 875, liquefied gas 93, passenger 2, passenger/cargo 2, petroleum tanker 509, refrigerated cargo 109, roll on/roll off 2, specialized tanker 10, vehicle carrier 25
Libya
cargo 5, chemical tanker 4, liquefied gas 3, petroleum tanker 13, roll on/roll off 2
Lithuania
cargo 22, container 1, passenger/cargo 6, refrigerated cargo 11, roll on/roll off 2
Luxembourg
bulk carrier 3, cargo 3, chemical tanker 16, container 10, passenger 3, petroleum tanker 2, roll on/roll off 10
Madagascar
cargo 4, passenger/cargo 2, petroleum tanker 2
Malaysia
bulk carrier 9, cargo 97, carrier 2, chemical tanker 45, container 44, liquefied gas 35, passenger/cargo 4, petroleum tanker 79, roll on/roll off 2, vehicle carrier 4
Maldives
bulk carrier 1, cargo 20, petroleum tanker 1, refrigerated cargo 2
Malta
bulk carrier 522, cargo 377, carrier 1, chemical tanker 280, container 91, liquefied gas 31, passenger 45, passenger/cargo 22, petroleum tanker 141, refrigerated cargo 14, roll on/roll off 30, specialized tanker 2, vehicle carrier 15
Man, Isle of
bulk carrier 45, cargo 49, chemical tanker 48, container 6, liquefied gas 41, passenger/cargo 2, petroleum tanker 91, roll on/roll off 5, vehicle carrier 5
Marshall Islands
barge carrier 1, bulk carrier 415, cargo 63, chemical tanker 314, combination ore/oil 2, container 206, liquefied gas 83, passenger 7, passenger/cargo 1, petroleum tanker 259, refrigerated cargo 14, roll on/roll off 9, vehicle carrier 7
Mauritius
passenger/cargo 2, refrigerated cargo 1
Mexico
bulk carrier 4, cargo 3, chemical tanker 12, liquefied gas 4, passenger/cargo 11, petroleum tanker 22, roll on/roll off 4
Micronesia, Federated States of
cargo 1, passenger/cargo 2
Moldova
bulk carrier 7, cargo 89, chemical tanker 2, passenger/cargo 1, petroleum tanker 1, refrigerated cargo 1, roll on/roll off 6
Mongolia
bulk carrier 20, cargo 29, chemical tanker 2, liquefied gas 2, passenger/cargo 1, roll on/roll off 3, vehicle carrier 1
Morocco
cargo 2, chemical tanker 2, container 7, passenger/cargo 15, petroleum tanker 1, roll on/roll off 3
Mozambique
cargo 2
Namibia
cargo 1
Netherlands
bulk carrier 1, cargo 464, carrier 21, chemical tanker 57, container 73, liquefied gas 19, passenger 17, passenger/cargo 15, petroleum tanker 5, refrigerated cargo 10, roll on/roll off 21, specialized tanker 3
Netherlands Antilles
barge carrier 2, bulk carrier 2, cargo 72, carrier 19, chemical tanker 2, container 8, liquefied gas 1, passenger 2, petroleum tanker 3, refrigerated cargo 27, roll on/roll off 6, specialized tanker 3
New Caledonia
cargo 1, passenger/cargo 1
New Zealand
bulk carrier 3, cargo 3, chemical tanker 1, container 1, passenger/cargo 4, petroleum tanker 2
Nigeria
cargo 4, chemical tanker 30, liquefied gas 2, passenger/cargo 1, petroleum tanker 60, specialized tanker 1
Norway
bulk carrier 43, cargo 133, carrier 5, chemical tanker 139, combination ore/oil 12, container 1, liquefied gas 53, passenger 3, passenger/cargo 116, petroleum tanker 58, refrigerated cargo 14, roll on/roll off 9, vehicle carrier 46
Oman
chemical tanker 1, passenger 1, passenger/cargo 2
Pakistan
bulk carrier 1, cargo 4, petroleum tanker 5
Panama
barge carrier 1, bulk carrier 2,383, cargo 1,129, carrier 18, chemical tanker 626, combination ore/oil 3, container 751, liquefied gas 192, passenger 42, passenger/cargo 61, petroleum tanker 576, refrigerated cargo 212, roll on/roll off 100, specialized tanker 3, vehicle carrier 282
Papua New Guinea
bulk carrier 2, cargo 24, petroleum tanker 2
Paraguay
cargo 15, carrier 1, container 2, passenger 1, petroleum tanker 3, roll on/roll off 1
Peru
cargo 2, chemical tanker 2, liquefied gas 2, petroleum tanker 7
Philippines
bulk carrier 75, cargo 135, carrier 16, chemical tanker 26, container 13, liquefied gas 5, passenger 7, passenger/cargo 68, petroleum tanker 45, refrigerated cargo 17, roll on/roll off 12, vehicle carrier 9
Poland
cargo 6, chemical tanker 3, passenger/cargo 1
Portugal
bulk carrier 8, cargo 33, carrier 1, chemical tanker 17, container 8, liquefied gas 9, passenger 13, passenger/cargo 5, petroleum tanker 7, roll on/roll off 1, vehicle carrier 9
Puerto Rico
roll on/roll off 3
Qatar
bulk carrier 3, chemical tanker 2, container 14, liquefied gas 6, petroleum tanker 4
Romania
cargo 10, passenger/cargo 2, petroleum tanker 2, roll on/roll off 1
Russia
bulk carrier 22, cargo 634, carrier 2, chemical tanker 38, combination ore/oil 39, container 13, passenger 15, passenger/cargo 6, petroleum tanker 236, refrigerated cargo 77, roll on/roll off 11, specialized tanker 4
Réunion
chemical tanker 1
Saint Kitts and Nevis
bulk carrier 20, cargo 92, chemical tanker 4, combination ore/oil 1, container 3, liquefied gas 4, passenger/cargo 5, petroleum tanker 24, refrigerated cargo 4, roll on/roll off 3
Saint Vincent and the Grenadines
bulk carrier 76, cargo 274, carrier 16, chemical tanker 4, container 21, liquefied gas 3, passenger 2, passenger/cargo 9, petroleum tanker 10, refrigerated cargo 12, roll on/roll off 15, specialized tanker 2
Samoa
passenger/cargo 1, cargo 1
Saudi Arabia
cargo 2, chemical tanker 22, container 4, liquefied gas 2, passenger/cargo 11, petroleum tanker 22, refrigerated cargo 3, roll on/roll off 8
Senegal
passenger/cargo 1
Serbia and Montenegro
cargo 1, chemical tanker 1
Seychelles
cargo 1, carrier 1, chemical tanker 6, petroleum tanker 1
Sierra Leone
bulk carrier 7, cargo 131, carrier 1, chemical tanker 12, container 3, liquefied gas 3, passenger 1, passenger/cargo 6, petroleum tanker 20, refrigerated cargo 1, roll on/roll off 3, vehicle carrier 1
Singapore
bulk carrier 183, cargo 88, carrier 6, chemical tanker 233, container 321, liquefied gas 117, petroleum tanker 404, refrigerated cargo 5, roll on/roll off 13, vehicle carrier 52
Slovakia
bulk carrier 1, cargo 19, refrigerated cargo 3
Somalia
cargo 1
South Africa
container 1, petroleum tanker 3
Spain
bulk carrier 7, cargo 17, chemical tanker 12, container 8, liquefied gas 13, passenger 1, passenger/cargo 40, petroleum tanker 17, refrigerated cargo 5, roll on/roll off 13, vehicle carrier 5
Sri Lanka
bulk carrier 4, cargo 14, chemical tanker 1, petroleum tanker 3
Sudan
cargo 2
Suriname
cargo 1
Sweden
bulk carrier 4, cargo 20, carrier 1, chemical tanker 31, passenger 5, passenger/cargo 37, petroleum tanker 12, roll on/roll off 32, vehicle carrier 21
Switzerland
bulk carrier 15, cargo 9, chemical tanker 6, container 4, petroleum tanker 1
Syria
bulk carrier 7, cargo 30, carrier 3, container 1
São Tomé and Príncipe
bulk carrier 1, cargo 2
Taiwan
bulk carrier 28, cargo 19, chemical tanker 2, container 27, passenger/cargo 4, petroleum tanker 12, refrigerated cargo 7, roll on/roll off 2
Tanzania
bulk carrier 4, cargo 43, carrier 4, chemical tanker 2, container 1, passenger 1, passenger/cargo 2, petroleum tanker 15
Thailand
bulk carrier 30, cargo 116, chemical tanker 23, container 19, liquefied gas 36, passenger 1, passenger/cargo 10, petroleum tanker 120, refrigerated cargo 27
Togo
bulk carrier 5, cargo 40, chemical tanker 2, container 2, petroleum tanker 2, refrigerated cargo 1, roll on/roll off 1
Tonga
bulk carrier 1, cargo 6, carrier 1, liquefied gas 1, passenger/cargo 1
Trinidad and Tobago
passenger 1, passenger/cargo 4, petroleum tanker 1
Tunisia
bulk carrier 1, cargo 2, chemical tanker 2, passenger/cargo 4, roll on/roll off 2
Turkey
bulk carrier 95, cargo 290, chemical tanker 85, combination ore/oil 1, container 40, liquefied gas 6, passenger 1, passenger/cargo 59, petroleum tanker 31, refrigerated cargo 1, roll on/roll off 34, specialized tanker 2
Turkmenistan
cargo 4, petroleum tanker 4, refrigerated cargo 1
Tuvalu
bulk carrier 7, cargo 20, chemical tanker 16, container 3, passenger 2, passenger/cargo 1, petroleum tanker 15, refrigerated cargo 1, vehicle carrier 1
Ukraine
bulk carrier 4, cargo 123, chemical tanker 1, passenger 5, passenger/cargo 5, petroleum tanker 9, refrigerated cargo 11, specialized tanker 2
United Arab Emirates
bulk carrier 4, cargo 9, chemical tanker 7, container 7, liquefied gas 1, passenger/cargo 1, petroleum tanker 24, roll on/roll off 4
United Kingdom
bulk carrier 30, cargo 70, carrier 3, chemical tanker 71, container 190, liquefied gas 10, passenger 7, passenger/cargo 67, petroleum tanker 20, refrigerated cargo 6, roll on/roll off 29, vehicle carrier 24
United States
barge carrier 6, bulk carrier 58, cargo 58, carrier 3, chemical tanker 30, container 87, passenger 18, passenger/cargo 56, petroleum tanker 45, refrigerated cargo 3, roll on/roll off 27, vehicle carrier 27
Uruguay
bulk carrier 1, cargo 2, chemical tanker 4, passenger/cargo 7, petroleum tanker 3, roll on/roll off 1
Vanuatu
bulk carrier 35, cargo 5, container 1, liquefied gas 2, passenger 2, refrigerated cargo 26, vehicle carrier 1
Venezuela
bulk carrier 5, cargo 15, chemical tanker 5, liquefied gas 5, passenger 1, passenger/cargo 12, petroleum tanker 16
Vietnam
barge carrier 1, bulk carrier 103, cargo 330, chemical tanker 24, container 20, liquefied gas 7, passenger 1, passenger/cargo 1, petroleum tanker 46, refrigerated cargo 2, roll on/roll off 1, specialized tanker 1
Wallis and Futuna
chemical tanker 2, passenger 6
Yemen
cargo 1, chemical tanker 2, petroleum tanker 2, roll on/roll off 1
DEFINITION: Merchant marine may be defined as all ships engaged in the carriage of goods; or all commercial vessels (as opposed to all nonmilitary ships), which excludes tugs, fishing vessels, offshore oil rigs, etc. This entry contains information in four fields - total , ships by type , foreign-owned , and registered in other countries . Total includes the number of ships (1,000 GRT or over), total DWT for those ships, and total GRT for those ships. DWT or dead weight tonnage is the total weight of cargo, plus bunkers, stores, etc., that a ship can carry when immersed to the appropriate load line. GRT or gross register tonnage is a figure obtained by measuring the entire sheltered volume of a ship available for cargo and passengers and converting it to tons on the basis of 100 cubic feet per ton; there is no stable relationship between GRT and DWT. Ships by type includes a listing of barge carriers, bulk cargo ships, cargo ships, chemical tankers, combination bulk carriers, combination ore/oil carriers, container ships, liquefied gas tankers, livestock carriers, multifunctional large-load carriers, petroleum tankers, passenger ships, passenger/cargo ships, railcar carriers, refrigerated cargo ships, roll-on/roll-off cargo ships, short-sea passenger ships, specialized tankers, and vehicle carriers. Foreign-owned are ships that fly the flag of one country but belong to owners in another. Registered in other countries are ships that belong to owners in one country but fly the flag of another.
SOURCE: CIA World Factbooks 18 December 2003 to 28 March 2011
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