China, as is the People's Republic of China and the Republic of China, shares international borders with 14 sovereign states. In addition, there is a 30-km border with the special administrative region of Hong Kong, which was a British dependency before 1997, and a 3 km border with Macau, a Portuguese territory until 1999. With a land border of 22,117 kilometres (13,743 mi) in total it also has the longest land border of any country.
Below is a table of countries and territories who share a land border with China around its perimeter. The numbers in parenthesis are their lengths in miles.
|Country||Length (km) and (mi)||Notes|
|Bhutan||470 (292)||Disputed; depends on the resolution of various territorial conflicts between India and China, and also between Bhutan and China|
|India||3,380 (2,100)||Disputed; in three sections, separated by Nepal and Bhutan depends on the resolution of territorial conflicts between India and China, and between India and Pakistan|
|Myanmar||2,185 (1,357)||Disputed; depends on the resolution of the territorial conflict between India and China over Arunachal Pradesh|
|Nepal||1,440||Depends on the resolution of the territorial conflict between Nepal and India over the Kalapani territory|
|North Korea||1,416 (879)||Depends on the resolution of the territorial conflict between China and North Korea over Mount Paektu and Jiandao|
|Pakistan||523 (324)||Depends on the resolution of territorial conflicts between India and Pakistan|
|Russia||3,645 (2,264)||In two sections, separated by Mongolia|