| Municipality | Total population (2020) | Change by 2050 (vs 2020) | Share aged 65+ | Akiya (vacancy) rate |
|---|---|---|---|---|
| 01Nagasaki(長崎市) | 409,118 | -31.5% | 32.4% | 17.9% |
| 02Sasebo(佐世保市) | 243,223 | -31.8% | 31.7% | 18.1% |
| 03Isahaya(諫早市) | 133,852 | -29.8% | 30.6% | 12.7% |
| 04Omura(大村市) | 95,397 | -10.9% | 25.2% | 10.0% |
| 05Shimabara(島原市) | 43,338 | -37.5% | 35.8% | 18.3% |
| 06Minamishimabara(南島原市) | 42,330 | -51.3% | 40.4% | 18.5% |
| 07Unzen(雲仙市) | 41,096 | -42.6% | 35.7% | 13.3% |
| 08Nagayo(長与町) | 40,780 | -33.1% | 27.2% | 10.1% |
| 09Goto(五島市) | 34,391 | -48.7% | 40.7% | 24.9% |
| 10Hirado(平戸市) | 29,365 | -50.7% | 41.4% | 22.1% |
| 11Togitsu(時津町) | 29,339 | -26.6% | 26.8% | 7.1% |
| 12Tsushima(対馬市) | 28,502 | -53.2% | 38.6% | 21.6% |
| 13Saikai(西海市) | 26,275 | -51.2% | 38.8% | 23.9% |
| 14Iki(壱岐市) | 24,948 | -47.1% | 38.6% | 25.5% |
| 15Matsura(松浦市) | 21,271 | -48.8% | 36.9% | 20.9% |
| 16Shinkamigoto(新上五島町) | 17,503 | -59.9% | 42.7% | 31.6% |
| 17Hasami(波佐見町) | 14,291 | -30.4% | 32.2% | — |
| 18Saza(佐々町) | 13,912 | -20.8% | 28.2% | — |
| 19Kawatana(川棚町) | 13,377 | -38.5% | 33.0% | — |
| 20Higashisonogi(東彼杵町) | 7,721 | -47.2% | 38.7% | — |
| 21Ojika(小値賀町) | 2,288 | -57.9% | 50.8% | — |