The People's Republic of China is the third- or fourth-largest country in the world after Russia, Canada, and (in some sources) the United States and the second-largest by land area. China has every kind of climate in the northern hemisphere except the polar climate. It is also the largest country without any land north of the Arctic Circle. China borders 14 nations, which is more than any other country in the world. It borders Vietnam, Laos, and Burma in Southeast Asia; India, Bhutan, Nepal and Pakistan in South Asia; Afghanistan, Tajikistan, Kyrgyzstan and Kazakhstan in Central Asia; a small section of Russian Altai and Mongolia in Inner Asia; and the Russian Far East and North Korea in Northeast Asia.