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United States:
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Other pages in this profile of the United States:
Geography, People, Government, Economy, Military & Transnational Issues.
Geography, People, Government, Economy, Military & Transnational Issues.
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Telephones - main lines in use |
172 million (2006) |
Telephones - mobile cellular |
233 million (2006) |
Telephone system |
general assessment: a large, technologically advanced, multipurpose communications system domestic: a large system of fiber-optic cable, microwave radio relay, coaxial cable, and domestic satellites carries every form of telephone traffic; a rapidly growing cellular system carries mobile telephone traffic throughout the country international: country code - 1; 24 ocean cable systems in use; satellite earth stations - 61 Intelsat (45 Atlantic Ocean and 16 Pacific Ocean), 5 Intersputnik (Atlantic Ocean region), and 4 Inmarsat (Pacific and Atlantic Ocean regions) (2000) |
Radio broadcast stations |
AM 4,789, FM 8,961, shortwave 19 (2006) |
Television broadcast stations |
2,218 (2006) |
Internet country code |
.us |
Internet hosts |
3.95 million (2007) |
Internet users |
208 million (2006) |
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Airports |
14,947 (2007) |
Airports - with paved runways |
total: 5,143 over 3,047 m: 191 2,438 to 3,047 m: 224 1,524 to 2,437 m: 1,452 914 to 1,523 m: 2,323 under 914 m: 953 (2007) |
Airports - with unpaved runways |
total: 9,804 2,438 to 3,047 m: 7 1,524 to 2,437 m: 153 914 to 1,523 m: 1,732 under 914 m: 7,912 (2007) |
Heliports |
146 (2007) |
Pipelines |
petroleum products 244,620 km; natural gas 548,665 km (2003) |
Railways |
total: 226,612 km standard gauge: 226,612 km 1.435-m gauge (2005) |
Roadways |
total: 6,430,366 km paved: 4,165,110 km (includes 75,009 km of expressways) unpaved: 2,265,256 km (2005) |
Waterways |
41,009 km (19,312 km used for commerce) note: Saint Lawrence Seaway of 3,769 km, including the Saint Lawrence River of 3,058 km, shared with Canada (2007) |
Merchant marine |
total: 446 ships (1000 GRT or over) 10,308,428 GRT/12,616,742 DWT by type: barge carrier 6, bulk carrier 64, cargo 82, carrier 2, chemical tanker 20, container 82, passenger 20, passenger/cargo 60, petroleum tanker 59, refrigerated cargo 4, roll on/roll off 26, specialized tanker 1, vehicle carrier 20 foreign-owned: 67 (Australia 2, Canada 4, Denmark 29, Germany 6, Malaysia 4, Netherlands 1, Norway 4, Singapore 11, Sweden 5, UK 1) registered in other countries: 785 (Antigua and Barbuda 8, Australia 5, Bahamas 162, Belize 3, Bermuda 23, Cambodia 6, Canada 3, Cayman Islands 41, Comoros 2, Cyprus 8, Ecuador 1, Greece 10, Honduras 1, Hong Kong 22, Ireland 2, Isle of Man 4, Italy 16, Liberia 103, South Korea 7, Luxembourg 3, Malta 11, Marshall Islands 129, Netherlands 13, Netherlands Antilles 1, Norway 18, Panama 115, Peru 1, Portugal 1, Puerto Rico 3, Russia 1, Singapore 17, Spain 9, St Vincent and The Grenadines 21, Sweden 1, Trinidad and Tobago 1, Tuvalu 1, UK 11, Vanuatu 1, unknown 4) (2007) |
Ports and terminals |
Corpus Christi, Duluth, Hampton Roads, Houston, Long Beach, Los Angeles, New Orleans, New York, Philadelphia, Tampa, Texas City note: 13 ports north of New Orleans (South Louisiana Ports) on the Mississippi River handle 290,000,000 tons of cargo annually |
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Copyright 2008 World Sites Atlas (sitesatlas.com) |