Prefecture
The population development of Gunma Prefecture according to census results.
| Name | Abbr. | Status | Native | Capital | Area A-L (km²) | Population Census (Cf) 1995-10-01 | Population Census (Cf) 2000-10-01 | Population Census (Cf) 2005-10-01 | Population Census (Cf) 2010-10-01 | Population Census (Cf) 2015-10-01 | Population Census (Cf) 2020-10-01 | Population Census (Cp) 2025-10-01 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gumma (Gunma) | 10 | Pref | 群馬県 | Maebashi | 6,362 | 2,003,540 | 2,024,852 | 2,023,996 | 2,008,068 | 1,973,115 | 1,939,110 | 1,867,582 | 636200 | → |
| Japan | JPN | 日本国 | Tōkyō | 377,980 | 125,570,246 | 126,925,843 | 127,767,994 | 128,057,352 | 127,094,745 | 126,146,099 | 123,049,524 | → |
- Statistics Bureau Japan.
Major Cities
| Name | Population Census (Cp) 2025-10-01 | |
|---|---|---|
| 1 | Takasaki | 363,801 |
| 2 | Maebashi | 324,554 |
| 3 | Ōta | 219,439 |
| 4 | Isesaki | 208,263 |
| 5 | Kiryū | 97,223 |
| 6 | Tatebayashi | 72,835 |
| 7 | Shibukawa | 70,325 |
| 8 | Fujioka | 59,385 |
Contents: Cities & Towns
The population of all cities and towns of Gunma Prefecture with more than 20,000 inhabitants according to census results.
| Name | Status | Native | Population Census (Cf) 1995-10-01 | Population Census (Cf) 2000-10-01 | Population Census (Cf) 2005-10-01 | Population Census (Cf) 2010-10-01 | Population Census (Cf) 2015-10-01 | Population Census (Cf) 2020-10-01 | Population Census (Cp) 2025-10-01 | Area | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Annaka | City | 安中市 | 64,853 | 64,893 | 63,179 | 61,077 | 58,531 | 54,907 | 50,704 | 27631 | → |
| Fujioka | City | 藤岡市 | 70,528 | 70,220 | 69,288 | 67,975 | 65,708 | 63,261 | 59,385 | 18029 | → |
| Isesaki | City | 伊勢崎市 | 184,420 | 194,393 | 202,447 | 207,221 | 208,814 | 211,850 | 208,263 | 13944 | → |
| Kiryū | City | 桐生市 | 138,193 | 134,298 | 128,037 | 121,704 | 114,714 | 106,445 | 97,223 | 27445 | → |
| Maebashi | City | 前橋市 | 338,845 | 341,738 | 340,904 | 340,291 | 336,154 | 332,149 | 324,554 | 31159 | → |
| Midori (Kasakake - Ōmama) | City | みどり市 | 50,983 | 51,266 | 52,115 | 51,899 | 50,906 | 49,648 | 48,198 | 20842 | → |
| Minakami (Tsukiyono) | Town | みなかみ町 | 26,252 | 25,079 | 23,310 | 21,345 | 19,347 | 17,195 | 15,747 | 78108 | → |
| Numata | City | 沼田市 | 56,344 | 55,278 | 53,177 | 51,265 | 48,676 | 45,337 | 41,287 | 44346 | → |
| Ōizumi | Town | 大泉町 | 41,100 | 41,403 | 41,466 | 40,257 | 41,202 | 42,089 | 41,430 | 1803 | → |
| Ōra | Town | 邑楽町 | 27,421 | 27,512 | 27,372 | 27,023 | 26,426 | 25,522 | 24,268 | 3111 | → |
| Ōta | City | 太田市 | 203,599 | 210,022 | 213,160 | 216,465 | 219,807 | 223,014 | 219,439 | 17554 | → |
| Shibukawa | City | 渋川市 | 91,162 | 89,795 | 87,469 | 83,330 | 78,391 | 74,581 | 70,325 | 24027 | → |
| Takasaki | City | 高崎市 | 353,879 | 358,465 | 364,919 | 371,302 | 370,884 | 372,973 | 363,801 | 45916 | → |
| Tamamura | Town | 玉村町 | 34,244 | 37,522 | 38,168 | 37,536 | 36,654 | 36,054 | 34,836 | 2578 | → |
| Tatebayashi | City | 館林市 | 76,857 | 79,371 | 79,454 | 78,608 | 76,667 | 75,309 | 72,835 | 6097 | → |
| Tomioka | City | 富岡市 | 54,435 | 54,401 | 53,765 | 52,070 | 49,746 | 47,446 | 43,789 | 12285 | → |
| Yoshioka | Town | 吉岡町 | 15,171 | 16,504 | 18,060 | 19,801 | 21,080 | 21,792 | 22,900 | 2046 | → |
- Statistics Bureau Japan.
Population Structure
Further information about the population structure.
| Gender (C 2025) | |
|---|---|
| Males | 922,992 |
| Females | 944,590 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 279,558 |
| 18-64 years | 1,040,977 |
| 65+ years | 576,729 |
| Age Distribution (C 2020) | |
|---|---|
| 90+ years | 39,675 |
| 80-89 years | 140,389 |
| 70-79 years | 261,854 |
| 60-69 years | 250,855 |
| 50-59 years | 248,310 |
| 40-49 years | 273,668 |
| 30-39 years | 197,496 |
| 20-29 years | 170,280 |
| 10-19 years | 174,769 |
| 0-9 years | 139,968 |
| Citizenship (C 2020) | |
|---|---|
| Japan | 1,860,213 |
| Foreign Citizenship | 53,432 |