Yunnan is a landlocked province in the southwest of the People's Republic of China. The province spans approximately 394,000 square kilometres (152,000 sq mi) and has a population of 48.3 million. The capital of the province is Kunming. The province borders the Chinese provinces of Guizhou, Sichuan, autonomous regions of Guangxi, and Tibet as well as Southeast Asian countries: Vietnam, Laos, and Myanmar. Yunnan is China's fourth least developed province based on disposable income per capita in 2014.