note: 70.9% of the world's surface is water, 29.1% is land
Area - comparative:
land area about 16 times the size of the US
top fifteen World Factbook entities ranked by size: Pacific Ocean 155.557 million sq km; Atlantic Ocean 76.762 million sq km; Indian Ocean 68.556 million sq km; Southern Ocean 20.327 million sq km; Russia 17,098,242 sq km; Arctic Ocean 14.056 million sq km; Antarctica 14 million sq km; Canada 9,984,670 sq km; United States 9,826,675 sq km; China 9,596,961 sq km; Brazil 8,514,877 sq km; Australia 7,741,220 sq km; European Union 4,324,782 sq km; India 3,287,263 sq km; Argentina 2,780,400 sq km
Land boundaries:
the land boundaries in the world total 251,060 km (not counting shared boundaries twice); two nations, China and Russia, each border 14 other countries
note: 45 nations and other areas are landlocked, these include:
Afghanistan, Andorra, Armenia, Austria, Azerbaijan, Belarus, Bhutan,
Bolivia, Botswana, Burkina Faso, Burundi, Central African Republic,
Chad, Czech Republic, Ethiopia, Holy See (Vatican City), Hungary,
Kazakhstan, Kosovo, Kyrgyzstan, Laos, Lesotho, Liechtenstein,
Luxembourg, Macedonia, Malawi, Mali, Moldova, Mongolia, Nepal,
Niger, Paraguay, Rwanda, San Marino, Serbia, Slovakia, Swaziland,
Switzerland, Tajikistan, Turkmenistan, Uganda, Uzbekistan, West
Bank, Zambia, Zimbabwe; two of these, Liechtenstein and Uzbekistan,
are doubly landlocked
Coastline:
356,000 km
note: 94 nations and other entities are islands that border no other
countries, they include: American Samoa, Anguilla, Antigua and
Barbuda, Aruba, Ashmore and Cartier Islands, The Bahamas, Bahrain,
Baker Island, Barbados, Bermuda, Bouvet Island, British Indian Ocean
Territory, British Virgin Islands, Cape Verde, Cayman Islands,
Christmas Island, Clipperton Island, Cocos (Keeling) Islands,
Comoros, Cook Islands, Coral Sea Islands, Cuba, Cyprus, Dominica,
Falkland Islands (Islas Malvinas), Faroe Islands, Fiji, French
Polynesia, French Southern and Antarctic Lands, Greenland, Grenada,
Guam, Guernsey, Heard Island and McDonald Islands, Howland Island,
Iceland, Isle of Man, Jamaica, Jan Mayen, Japan, Jarvis Island,
Jersey, Johnston Atoll, Kingman Reef, Kiribati, Madagascar,
Maldives, Malta, Marshall Islands, Martinique, Mauritius, Mayotte,
Federated States of Micronesia, Midway Islands, Montserrat, Nauru,
Navassa Island, New Caledonia, New Zealand, Niue, Norfolk Island,
Northern Mariana Islands, Palau, Palmyra Atoll, Paracel Islands,
Philippines, Pitcairn Islands, Puerto Rico, Reunion, Saint
Barthelemy, Saint Helena, Saint Kitts and Nevis, Saint Lucia, Saint
Pierre and Miquelon, Saint Vincent and the Grenadines, Samoa, Sao
Tome and Principe, Seychelles, Singapore, Solomon Islands, South
Georgia and the South Sandwich Islands, Spratly Islands, Sri Lanka,
Svalbard, Tokelau, Tonga, Trinidad and Tobago, Turks and Caicos
Islands, Tuvalu, Vanuatu, Virgin Islands, Wake Island, Wallis and
Futuna, Taiwan