Something About Our World

Something About Our World

The Earth

Estimated Weight (mass)
(5,940,000,000,000,000,000,000 metric tons)
Estimated Age 4.6 billion years
Current Population 6,446,131,714
Surface Area (510,066,000 sq km)
Land Area (148,647,000 sq km) 29.1%
Ocean Area (335,258,000 sq km)
Total Water Area (361,419,000 sq km) 70.9%
Type of Water (97% salt), (3% fresh)


Oceans of the World (by size)
Pacific (155,557,000 sq km)
Atlantic (76,762,000 sq km)
Indian (68,556,000 sq km)
Southern (20,327,000 sq km)
Arctic (14,056,000 sq km)


Deepest Oceans & Seas
Pacific Ocean (35,827 ft) (10,924 meters)
Atlantic Ocean (30,246 ft) (9,219 meters)
Indian Ocean (24,460 ft) (7,455 meters)
Caribbean Sea (22,788 ft) (6,946 meters)
Arctic Ocean (18,456 ft) (5,625 meters)
South China Sea (16,456 ft) (5,016 meters)
Bering Sea (15,659 ft) (4,773 meters)
Mediterranean Sea (15,197 ft) (4,632 meters)
Gulf of Mexico (12,425 ft) (3,787 meters)
Japan Sea (12,276 ft) (3,742 meters)


Major Seas (by size)
South China (2,974,600 sq km)
Caribbean (2,515,900 sq km)
Mediterranean (2,510,000 sq km)
Bering (2,261,100 sq km)
Gulf of Mexico (1,507,600 sq km)
Arabian Sea (1,498,320 sq km)
Sea of Okhotsk (1,392,100 sq km)
Sea of Japan (East Sea)
(1,012,900 sq km)
Hudson Bay (730,100 sq km)
East China (664,600 sq km)
Andaman (564,900 sq km)
Black (507,900 sq km)
Red (453,000 sq km)


Major Islands (by size)
Australia, (7,617.930 sq km) is widely considered part of a continental landmass, not officially an island. But without doubt it is the largest island on the planet, and when combined with Oceania, the smallest continent on Earth.
Greenland (2,175,600 sq km)
New Guinea (792,500 sq km)
Borneo (725,500 sq km)
Madagascar (587,000 sq km)
Baffin (507,500 sq km)
Sumatra (427,300 sq km)
Honshu (227,400 sq km)
Great Britain (218,100 sq km)
Victoria (217,300 sq km)
Ellesmere (196,200 sq km)
Celebes (178,650 sq km)
New Zealand (south) (151,000 sq km)
Java (126,700 sq km)
New Zealand (north) (114,000 sq km)
Newfoundland (108,900 sq km)


Major Rivers (By Length)
Nile, Africa (6,825 km)
Amazon, South America (6,437 km)
Chang Jiang (Yangtze), Asia (6,380 km)
Mississippi, North America (5,971 km)
Yenisey-Angara, Asia (5,536 km)
Huang (Yellow), Asia (5,464 km)
Ob-Irtysh, Asia (5,410 km)
Amur, Asia (4,416 km)
Lena, Asia (4,400 km)
Congo, Africa (4,370 km)
Mackenzie-Peace, North America (4,241 km)
Mekong, Asia (4,184 km)
Niger, Africa (4,171 km)


Major Lakes (By Size)
Caspian Sea, Asia-Europe (371,000 sq km)
Superior, North America (82,100 sq km)
Victoria, Africa (69,500 sq km)
Huron, North America (59,600 sq km)
Michigan, North America (57,800 sq km)
Tanganyika, Africa (32,900 sq km)
Baikal, Asia (31,500 sq km)
Great Bear, North America (31,300 sq km)
Aral Sea, Asia (30,700 sq km)
Malawi, Africa (28,900 sq km)
Great Slave, Canada (28,568 sq km)
Erie, North America (25,667 sq km)
Winnipeg, Canada (24,387 sq km)
Ontario, North America (19,529 sq km)
Balkhash, Kazakhstan (18,300 sq km)


Deepest Lakes (By Greatest Depth)
Baikal, Russian Fed. (5,315 ft)
Tanganyika, Africa (4,800 ft)
Caspian Sea, Asia-Europe (3,363 ft)
Malawi or Nyasa, Africa (2,317 ft)
Issyk-Kul, Kyrgyzstan (2,303 ft)


Continents of the worldContinents (by size)
#1 Asia - (44,579,000 sq km)
#2 Africa - (30,065,000 sq km)
#3 North America - (24,256,000 sq km)
#4 South America - (17,819,000 sq km)
#5 Antarctica - (13,209,000 sq km)
#6 Europe - (9,938,000 sq km)
#7 Australia/Oceania - (7,687,000 sq km)


Continents (by population) 2005 est.
#1 Asia - (3,879,000,000)
#2 Africa - (877,500,000)
#3 Europe - (727,000,000)
#4 North America - (501,500,000)
#5 South America - (379,500,000)
#6 Australia/Oceania - (32,000,000)
#7 Antarctica - (0)


Continents (by the number of countries)
#1 Africa - (53)
#3 Europe - (46)
#2 Asia - (44)
#4 North America - (23)
#5 Oceania - (14)
#6 South America - (12)


Largest Countries (by land mass)
Russia 17,075,400 sq km, (6,592,846 sq miles)
Canada 9,330,970 sq km, (3,602,707 sq miles)
China 9,326,410 sq km, (3,600,947 sq miles)
USA 9.166,600 sq km, (3,539,242 sq miles)
Brazil 8,456,510 sq km, (3,265,075 sq miles)
Australia 7,617,930 sq km, (2,941,283 sq miles)
India 2,973,190 sq km, (1,147,949 sq miles)
Argentina 2,736,690 sq km, (1,056,636 sq miles)
Kazakhstan 2,717,300 sq km, (1,049,150 sq miles)
Sudan 2,376,000 sq km, (917,374 sq miles)


Smallest Countries (by land mass)
Vatican City 0.44 sq km, (0.17 sq miles)
Monaco 1.95 sq km, (0.75 sq miles)
Nauru 21.2 sq km, (8.2 sq miles)
Tuvalu 26 sq km, (10 sq miles)
San Marino 61 sq km, (24 sq miles)
Liechtenstein 160 sq km, (62 sq miles)
Marshall Islands 181 sq km, (70 sq miles)
Seychelles 270 sq km, (104 sq miles)
Maldives 300 sq km, (116 sq miles)
St. Kitts and Nevis 360 sq km, (139 sq miles)


Oldest Countries
San Marino (301 AD)
France (486 AD)
Bulgaria (632 AD)
Denmark (950 AD)
Portugal (1143 AD)
Andorra (1278 AD)
Switzerland (1291 AD)


Youngest Countries
Montenegro (July, 2006)
Serbia (July, 2006)
East Timor (2002)
Palau (1994)
Czech Republic (1993)
Eritrea (1993)
Slovakia (1993)
Bosnia/Hertzegovina (1992)


Richest Countries
(GNP in USA Dollars)
Luxembourg ($45,360)
Switzerland ($44,355)
Japan ($41,010)
Liechtenstein ($40,000)
Norway ($34,515)


Poorest Countries
(GNP in USA Dollars)
Mozambique ($80)
Somalia ($100)
Eritrea ($100)
Ethiopia ($100)
Congo, DNC ($100)


Top 10 Tallest Mountains
Mount Everest 8850m (29035ft) Nepal/China
Qogir (K2) 8611m (28250ft) Pakistan
Kangchenjunga 8586m (28169ft) Nepal
Lhotse 8501m (27920ft) Nepal
Makalu I 8462m (27765ft) Nepal
Cho Oyu 8201m (26906ft) Nepal
Dhaulagiri 8167m (26794ft) Nepal
Manaslu I 8156m (26758ft) Nepal
Nanga Parbat 8125m (26658ft) Pakistan
Annapurna I 8091m (26545ft) Nepal


Countries (Highest Density)
(People per square km)
Monaco 16,205
Singapore 6,386
Malta 1,261
Maldives 1,164
Bahrain 1,035
Bangladesh 1,002
Vatican City 920
Barbados 648
Nauru 621
Mauritius 603


Countries (Lowest Density)
(people per square km)
Mongolia 2
Namibia 2
Australia 3
Botswana 3
Iceland 3
Suriname 3
Libya 3
Mauritania 3
Canada 3
Guyana 4

Country Population (smallest)
(February, 2006 numbers)
Vatican City 920
Tuvalu 11,640
Nauru 13,050
Palau 20,300
San Marino 28,880
Monaco 32,410
Liechtenstein 33,720
St. Kitts 38,960
Marshall Islands 59,070
Antigua and Barbuda 68,720


Country Population (largest)
(February, 2006 numbers)
China 1,306,313,800
India 1,080,264,400
USA 295,734,100
Indonesia 241,973,900
Brazil 186,112,800
Pakistan 162,419,900
Bangladesh 144,319,600
Russia 143,420,300
Nigeria 128,772,000
Japan 127,417,200


Largest Cities on the Planet!
Shanghai, China 13.3 million
Mumbai (Bombay), India 12.6 million
Buenos Aires, Argentina 11.92 million
Moscow, Russia 11.3 million
Karachi, Pakistan 10.9 million
Delhi, India 10.4 million
Manila, Philippines 10.3 million
Sao Paulo, Brazil 10.26 million
Seoul, South Korea 10.2 million
Istanbul, Turkey 9.6 million
Jakarta, Indonesia 9.0 million
Mexico City, Mexico 8.7 million
Lagos, Nigeria 8.68 million
Lima, Peru 8.38 million
Tokyo, Japan 8.3 million
New York City, USA 8.09 million
Cairo, Egypt 7.6 million
London, UK 7.59 million
Teheran, Iran 7.3 million
Beijing, China 7.2 million


Largest Metro Areas In The World
Toyko, Japan 31.2 million
New York City - Philadelphia area, USA 30.1 million
Mexico City, Mexico 21.5 million
Seoul, South Korea 20.15 million
Sao Paulo, Brazil 19.9 million
Jakarta, Indonesia 18.2 million
Osaka-Kobe-Kyoto, Japan 17.6 million
New Delhi, India 17.36 million
Mumbai, India (Bombay) 17.34 million
Los Angeles, USA 16.7 million
Cairo, Egypt 15.86 million
Calcutta, India 14.3 million
Manila, Philippines 14.1 million
Shanghai, China 13.9 million
Buenos Aires, Argentina 13.2 million
Moscow, Russian Fed. 12.2 million


Hottest,Coldest,Driest,Wettest
Hottest Place Dalol, Denakil Depression, Ethiopia, annual average temperature (93.2°F, 34°C)
Coldest Place Plateau Station, Antarctica, annual average temperature (-56.7°C)
Wettest Place Mawsynram, Assam, India, annual average rainfall (11,873 mm, 467.4")
Driest Place Atacama Desert, Chile, imperceptible rainfall on a yearly basis


Largest Deserts Of The World
Sahara, North Africa 3,500,000 sq. miles
Arabian, Middle East 1,000,000 sq. miles
Great Victoria, Australia 250,000 sq. miles
Rub'al Khali, Middle East 250,000 sq. miles
Kalahari, Southern Africa 225,000 sq. miles
Syrian, Middle East 200,000 sq. miles
Chihuahuan, Mexico 175,000 sq. miles
Thar, India/Pakistan175,000 sq. miles
Great Sandy, Australia 150,000 sq. miles
Gibson, Australia 120,000 sq. miles
Sonoran, S.W. USA 120,000 sq. miles
Mohave, S,W, USA 54,000 sq. miles