Area kilometer of seven million six hundred and seventeen thousand nine hundred and thirty square, it is economy of the Southern Hemisphere most the country that develop, on the west, north, south 3 be faced with the indian ocean and its brim sea. Be the world go up to molopolize exclusively the country of a mainland. Brazil, area kilometer of 8.51 million square, 46% what occupy South America gross area about, it is the country with South America the biggest area. The United States, area 9372610 square kilometer (among them land the earth's surface accumulates kilometer of nine million one hundred and fifty-eight thousand nine hundred and sixty square, area of inland water area makes an appointment with kilometer of 200 thousand square) , if add part of dominion of the United States in on 5 big lakes to make an appointment with kilometer of 170 thousand square, China, terrestrial area makes an appointment with kilometer of 9.6 million square, mainland coasting many meters 18 thousand, islands water front many meters 14 thousand, thalassic make an appointment with kilometre of 470 much square with water area area of Bian Hai. Canada, land area makes an appointment with 9984670 square kilometre, it is the country with world Shanghai the longest water front, coasting grows 240 thousand much kilometer about, territory border is as long as 8892 kilometers, for the whole world the longest not fortify boundary line. Also be wide person of a ground's rare country. Russia, area kilometer of seventeen million and ninety-eight thousand two hundred square (76.3% what occupy area of former Russia territory, cover an area of ball land the earth's surface to accumulate 11.4% ) , water area area is occupied 13% , it is the country with the biggest area on the world. The stuff is long for 9000 kilometers, over or across 11 time zone; North and south is wide for 4000 kilometers, span 4 climate belt.