世界 (WORLD)

    Total areas on Earth's land and the sea are approximately 510 million square kilometers, sea area is approximately 361 million square kilometers, account for the global total area 71%, the land area is approximately 149 million square kilometers, account for the global total area 29%. On the Earth the seas link to become a piece, but land then mutually separates. The land mainly distributes in Northern Hemisphere, the eastern hemisphere, the sea mainly distributes in the southern hemisphere, the The Western Hemisphere. The North Pole area is sea, but the south pole area is a land.

Looks at the Earth from the universe

World topography chart

World is divided into 7 continents and 5 oceans by order of area:
Asia,
Africa,
North America,
South America,
Antarctica,
Europe,
Oceania;

Pacific Ocean,
Atlantic Ocean,
Indian Ocean,
Southern Ocean,
Arctic Ocean.

7 continents location

    The land average altitude above sea level is 875 meters. Roughly divides into the mainland, the peninsula and the islands. The whole world has six mainlands, by order of the area size: Asia-Europe continent, the African continent, the North America mainland, the South America mainland, the Antarctica, the Australian mainland. The mainland and nearby its islands are called the continent. The whole world has seven big continents, by order of the area size: Asia, Africa, North America, the South America, the antarctica, Europe and Oceania. The islands are spread in the sea, the rivers or the lake scrap land. Each other is distanced nearer crowd of islands to call the archipelago. Total area of the world islands is more than 9.7 million square kilometers, approximately composes the world land total area 1/15. In the world, the biggest area island is the Greenland island. The peninsula is the land enters the sea or the lake part, is at the same time connected with the land, other by water surrounding. In the world, the biggest peninsula is west Asia's Arabian Peninsula.

World Vegetation
    The sea average depth is 3,795 meters. Including ocean, sea and channel. The ocean is the sea main body. There are 5 oceans in the world: the Pacific Ocean, Atlantic Ocean, Indian Ocean, the Arctic Ocean, Southern ocean. The sea is the sea edge are partial, in the world the biggest sea is the Australian northeast side Cay Sea, the channel is the beginnings and ends connection sea narrow canal.
    Earth's surface height disparate, the shape is diverse. The land roughly may divide into five kind of terrains: the plain, the mountainous region, the plateau, the knoll and the basin. In the world, the biggest plain is the South America amazon plain. In the world, big sierra and cordilleras are Cordillera in North America to South Ameria, south Asia's Himalaya Mountains, northeast Europe's Alps cordillera, Atlas Mountains in Africa to the South America, and so on. The Mount Everest elevation 8,848 meters, are Earth's peaks. In the world, the highest plateau is China's Qinghai-Tibet Plain.
    The seabed terrain roughly divides into the continental shelf, landmass and the ocean floor three parts. The ocean floor is the sea main body. Approximately composes the sea total area 80%. The seabed landform has the sea range, the oceanic basin, the oceanic trench, the sea earthen mound, the seamount, fosse and the oceanic plateau, and so on.

    The world altogether has 230 countries and the area. According to United nations economic society information and policy analysis department population place material. In 2020 the world total population is 8 billion. The countries of population surpasses 100 million have 14 as follows.

    To 2001, in the world the more than half population lives in the city, the population surpassed 10 million cities already to have 19, Japan's Tokyo population reached 26 million occupied the world first place. The world altogether has more than 2,070 nationalities, the population over million of nationalities has more than 270. Divides from the race, the caucAsian accounts for 43%, the person of Asian descent accounts for 41%, other for black and other races.

Evening light of each place in the world
(This chart basically has reflected in world city and developed local distributed situation)

    In 2006, GDP of the world is $US 65000 billion, GDP per person (GDP PP) on average is US$10,000. The country of over GDP per person on average US$10000 is defined as the developed country, and the country of lower GDP per person US$10000 is defined as the undeveloped country. 9 countries' GDP are over $US 1000 billion. USA always is on the world top.

GDP of Countries.
Country (area) average per person GDP order list.

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