Niigata's 2025 population is now estimated at 793,974. In 1950, the population of Niigata was 159,000. Niigata experienced a decrease of -1,942 residents over the past year, marking an annual decline of -0.24%.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Niigata, which typically includes Niigata's population in addition to adjacent suburban areas.
| City | 2025 Pop. ↓ | Growth |
|---|---|---|
| Tokyo | 37,036,200 | -0.21% |
| Osaka | 18,921,600 | -0.24% |
| Nagoya | 9,534,790 | -0.23% |
| Fukuoka | 5,465,920 | -0.22% |
| Shizuoka | 2,930,170 | -0.18% |
| Sapporo | 2,653,580 | -0.28% |
| Sendai | 2,337,590 | -0.16% |
| Hiroshima | 2,058,190 | -0.23% |
| Niigata | 793,974 | -0.24% |
| Kumamoto | 735,149 | -0.22% |
| Okayama | 718,616 | -0.24% |
| Kagoshima | 578,881 | -0.4% |
| Utsunomiya | 517,568 | -0.24% |
| Matsuyama | 502,185 | -0.29% |
| Oita | 474,415 | -0.22% |
| Kurashiki | 470,339 | -0.23% |
| Kanazawa | 461,142 | -0.24% |
| Fukuyama | 460,453 | -0.23% |
| Takamatsu | 414,621 | -0.23% |
| Toyama | 405,849 | -0.36% |
| Nagasaki | 396,587 | -0.85% |
| Miyazaki | 394,714 | -0.22% |
| Toyohashi | 365,196 | -0.3% |
| Nagano | 364,210 | -0.41% |
| Takasaki | 364,200 | -0.22% |
| Iwaki | 354,272 | -0.26% |
| Koriyama | 323,937 | -0.4% |
| Maebashi | 323,018 | -0.45% |
| Asahikawa | 320,288 | -0.64% |
| Kochi | 320,242 | -0.56% |
| Naha | 317,702 | -0.26% |
| Kurume | 301,528 | -0.24% |
| Akita | 296,371 | -0.69% |
