Saga: Population Decline Ranking
All 20 municipalities in Saga ranked by Population Decline.
Top municipalities in Saga by population decline: 1. Tara (-50.3%), 2. Taku (-43.7%), 3. Oomachi (-43.2%).
| Rank | Municipality | Pop. (2025) | Change 2020–2050 |
|---|---|---|---|
| 1 | Saga Tara | 7,142 | ▼ -50.3% |
| 2 | Saga Taku | 16,799 | ▼ -43.7% |
| 3 | Saga Oomachi | 5,736 | ▼ -43.2% |
| 4 | Saga Shiroishi | 20,255 | ▼ -43.1% |
| 5 | Saga Genkai | 4,642 | ▼ -40.6% |
| 6 | Saga Ureshino | 24,308 | ▼ -37.5% |
| 7 | Saga Arita | 17,713 | ▼ -37.0% |
| 8 | Saga Kashima | 26,126 | ▼ -36.7% |
| 9 | Saga Imari | 49,687 | ▼ -32.2% |
| 10 | Saga Karatsu | 110,110 | ▼ -31.6% |
| 11 | Saga Kanzaki | 29,459 | ▼ -24.7% |
| 12 | Saga Kiyama | 17,263 | ▼ -23.9% |
| 13 | Saga Takeo | 45,658 | ▼ -23.7% |
| 14 | Saga Ogi | 43,073 | ▼ -22.1% |
| 15 | Saga Miyaki | 25,480 | ▼ -18.0% |
| 16 | Saga Saga | 227,580 | ▼ -16.7% |
| 17 | Saga Kamimine | 9,438 | ▼ -13.9% |
| 18 | Saga Yoshinogari | 16,265 | ▼ -13.5% |
| 19 | Saga Kouhoku | 9,506 | ▼ -13.1% |
| 20 | Saga Tosu | 74,435 | ▼ -2.4% |