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1.
The Biggest country in the world (Total area)
Russia = 17,098,242 km² | Canada = 9,984,670 km² | China = 9,706,961 km² | United States = 9,372,610 km²
2.
The Biggest country in the world (population)
China = 1,439,323,776 | India = 1,380,004,385 | United States = 331,002,651 | Indonesia = 273,523,615
3.
The Biggest landlocked country in the world (area)
Kazakhstan = 2,724,900 km² | Mongolia = 1,564,110 km² | Mali = 1,240,192 km² | Ethiopia = 1,104,300 km²
4.
The Biggest landlocked country in the world (population)
Ethiopia = 114,963,588 | Uganda = 45,741,007 | Mali = 20,250,833 | Kazakhstan = 18,776,707
5.
The Biggest Island country in the world (area)
Indonesia = 1,904,569 km² | Madagascar = 587,041 km² | PNG = 462,840 km² | Japan = 377,930 km²
6.
The Biggest island in the world (Area)
Greenland = 2,130,800 km² | New Guinea = 785,753 km² | Borneo = 748,168 km² | Madagascar = 587,041 km²
7.
The Biggest river in Europe (length)
Volga = 3,690 km | Danube = 2,860 km | Ural = 2,428 km | Dneiper = 2,290 km
8.
The Biggest river in the United States of America (length)
Mississippi-Missouri = 6,270 km | Yukon = 3,190 km | Rio Grande = 3,034 km | Colorado = 2,334 km
9.
The Biggest peninsula in the world (Area)
Arabian = 3,237,500 km² | Indochinese = 2,071,010 km² | Scandinavian = 750,000 km² | Balkan = 466,877 km²
10.
The Biggest continent (Number of countries)
Africa = 54 | Asia = 48 | Europe = 45 | North America = 23