Chengdu, the capital of Sichuan Province, is one of China's most populous megacities, with a total permanent resident population that surpassed 21.474 million as of 2025. According to official 2020 census data, the sub-provincial city's administrative area housed approximately 20.94 million people, reflecting a significant 74% increase from the 2010 census. Within this vast population, the urban area is estimated to contain between 9.6 and 16.5 million residents, depending on the specific urban boundaries measured. The city's demographic is predominantly Han Chinese, though it also serves as a major hub for minority groups, including one of the largest Tibetan populations outside of Tibet. As a primary economic and innovation center in Western China, Chengdu's metro area population continues to grow steadily, with projections estimated at over 10.16 million for 2026.