Gunma: Population Decline Ranking
All 35 municipalities in Gunma ranked by Population Decline.
Top municipalities in Gunma by population decline: 1. Nanmoku (-74.8%), 2. Kanna (-69.7%), 3. Shimonita (-65.5%).
| Rank | Municipality | Pop. (2025) | Change 2020–2050 |
|---|---|---|---|
| 1 | Gunma Nanmoku | 1,260 | ▼ -74.8% |
| 2 | Gunma Kanna | 1,317 | ▼ -69.7% |
| 3 | Gunma Shimonita | 5,492 | ▼ -65.5% |
| 4 | Gunma Katashina | 3,543 | ▼ -55.4% |
| 5 | Gunma Minakami | 15,740 | ▼ -53.2% |
| 6 | Gunma Higashiagatsuma | 11,237 | ▼ -52.8% |
| 7 | Gunma Ueno | 970 | ▼ -47.8% |
| 8 | Gunma Naganohara | 4,839 | ▼ -47.4% |
| 9 | Gunma Nakanojou | 13,914 | ▼ -45.7% |
| 10 | Gunma Kusatsu | 5,753 | ▼ -44.0% |
| 11 | Gunma Tsumagoi | 8,164 | ▼ -43.9% |
| 12 | Gunma Kiryuu | 97,127 | ▼ -43.8% |
| 13 | Gunma Numata | 41,187 | ▼ -40.0% |
| 14 | Gunma Shibukawa | 70,265 | ▼ -39.8% |
| 15 | Gunma Itakura | 12,655 | ▼ -38.1% |
| 16 | Gunma Kawaba | 3,154 | ▼ -37.8% |
| 17 | Gunma Annaka | 50,840 | ▼ -36.8% |
| 18 | Gunma Kanra | 11,938 | ▼ -36.7% |
| 19 | Gunma Tomioka | 43,771 | ▼ -36.0% |
| 20 | Gunma Takayama | 3,097 | ▼ -33.6% |
| 21 | Gunma Fujioka | 59,416 | ▼ -33.0% |
| 22 | Gunma Oura | 24,260 | ▼ -30.1% |
| 23 | Gunma Tamamura | 35,004 | ▼ -28.6% |
| 24 | Gunma Shouwa | 6,689 | ▼ -28.1% |
| 25 | Gunma Midori | 47,420 | ▼ -28.0% |
| 26 | Gunma Chiyoda | 10,334 | ▼ -27.5% |
| 27 | Gunma Tatebayashi | 72,780 | ▼ -24.4% |
| 28 | Gunma Meiwa | 10,291 | ▼ -24.3% |
| 29 | Gunma Maebashi | 324,191 | ▼ -18.2% |
| 30 | Gunma Ooizumi | 41,417 | ▼ -14.6% |
| 31 | Gunma Shintou | 14,116 | ▼ -13.7% |
| 32 | Gunma Takasaki | 363,477 | ▼ -11.3% |
| 33 | Gunma Oota | 219,322 | ▼ -10.3% |
| 34 | Gunma Isesaki | 208,069 | ▼ -9.8% |
| 35 | Gunma Yoshioka | 22,885 | ▲ +1.7% |