Haikou's 2026 population is now estimated at 2,727,405. In 1990, the population of Haikou was 411,212. Haikou has grown by 63,028 in the last year, which represents a 2.37% annual change. These population values and projections come from China city population series 1990-2020 via CityPopulation official attribution and World Population Review Internal Projections .
| City | 2026 Pop. ↓ | Growth |
|---|---|---|
| Shanghai | 24,722,254 | 1.93% |
| Beijing | 21,571,693 | 2.06% |
| Shenzhen | 20,622,629 | 2.64% |
| Guangzhou | 18,515,410 | 2.23% |
| Chengdu | 15,831,571 | 2.44% |
| Tianjin | 12,361,093 | 1.8% |
| Wuhan | 11,746,708 | 1.81% |
| Dongguan | 11,485,606 | 2.74% |
| Chongqing | 10,933,060 | 2.1% |
| Xi'an | 10,738,037 | 2.13% |
| Hangzhou | 10,697,657 | 2.33% |
| Foshan | 10,673,812 | 2.61% |
| Nanjing | 8,562,383 | 2.07% |
| Shenyang | 7,701,267 | 1.48% |
| Zhengzhou | 7,487,991 | 2.34% |
| Qingdao | 7,080,465 | 2.2% |
| Suzhou | 6,911,912 | 2.52% |
| Changsha | 6,494,068 | 2.27% |
| Jinan | 6,436,275 | 2.08% |
| Kunming | 6,061,121 | 2.21% |
