List of the main cities of Japan, ordered by number of inhabitants.
| name | type | population |
|---|---|---|
| Tokyo | city | 13,613,660 |
| Yokohama | city | 3,708,122 |
| Osaka | city | 2,643,805 |
| Nagoya | city | 2,236,000 |
| Sapporo | city | 1,946,313 |
| Fukuoka | city | 1,567,189 |
| Kobe | city | 1,533,852 |
| Kawasaki | city | 1,509,887 |
| Kyoto | city | 1,465,917 |
| Hiroshima | city | 1,198,555 |
| Saitama | city | 1,182,115 |
| Sendai | city | 1,031,704 |
| Chiba | city | 975,140 |
| Kitakyushu | city | 950,646 |
| Setagaya | city | 860,071 |
| Niigata | city | 811,639 |
| Hamamatsu | city | 797,033 |
| Kumamoto | city | 739,858 |
| Nerima | city | 733,150 |
| Ota | city | 728,349 |
| Sagamihara | city | 722,157 |
| Okayama | city | 712,727 |
| Shizuoka | city | 706,287 |
| Edogawa | city | 691,417 |
| Adachi | city | 676,761 |
| Funabashi | city | 633,263 |
| Kagoshima | city | 597,932 |
| Itabashi | city | 575,432 |
| Kawaguchi | city | 560,000 |
| Hachiōji | city | 555,517 |
| Suginami | city | 540,180 |
| Himeji | city | 535,571 |
| Matsuyama | city | 512,604 |
| Koto | city | 509,438 |
| Higashiosaka | city | 498,099 |
| Nishinomiya | city | 488,398 |
| Ōita | city | 478,537 |
| Ichikawa | city | 469,603 |
| Fukuyama | city | 463,618 |
| Kanazawa | city | 455,351 |
| Katsushika | city | 451,483 |
| Amagasaki | city | 451,000 |
| Machida | city | 433,720 |
| Fujisawa | city | 428,837 |
| Marugame | city | 426,514 |
| Sakaide | city | 426,514 |
| Takamatsu | city | 426,514 |
| Toyota | city | 425,738 |
| Kashiwa | city | 422,385 |
| Toyama | city | 421,259 |
| Nagasaki | city | 420,671 |
| Gifu | city | 404,352 |
| Hirakata | city | 402,005 |
| Miyazaki | city | 399,565 |
| Toyonaka | city | 397,490 |
| Shinagawa | city | 396,993 |
| Nagano | city | 387,146 |
| Okazaki | city | 385,221 |
| Ichinomiya | city | 380,672 |
| Suita | city | 379,246 |
| Toyohashi | city | 373,811 |
| Takasaki | city | 370,176 |
| Nara | city | 364,968 |
| Takatsuki | city | 353,881 |
| Kita | city | 349,573 |
| Iwaki | city | 346,442 |
| Koshigaya | city | 342,486 |
| Asahikawa | city | 341,308 |
| Tokorozawa | city | 341,091 |
| Kawagoe | city | 340,000 |
| Nakano | city | 336,639 |
| Koriyama | city | 334,636 |
| Kōchi | city | 333,358 |
| Maebashi | city | 324,644 |
| Akita | city | 323,232 |
| Naha | city | 319,167 |
| Yokkaichi | city | 307,220 |
| Kurume | city | 304,595 |
| Kasugai | city | 300,099 |
| Toshima | city | 298,562 |
| Akashi | city | 295,908 |
| Morioka | city | 295,630 |
| Fukushima | city | 291,013 |
| Nagaoka | city | 282,829 |
| Meguro | city | 282,785 |
| Aomori | city | 282,032 |
| Ibaraki | city | 282,012 |
| Ichihara | city | 279,065 |
| Mito | city | 270,775 |
| Yao | city | 267,581 |
| Fukui | city | 267,428 |
| Kakogawa | city | 265,055 |
| Hakodate | city | 263,750 |
| Sumida | city | 263,484 |
| Shimonoseki | city | 262,702 |
| Fuchū | city | 261,991 |
| Hiratsuka | city | 259,698 |
| Tokushima | city | 257,563 |
| Minato | city | 254,699 |
| Fuji | city | 253,273 |