| Municipality | Total population (2020) | Change by 2050 (vs 2020) | Share aged 65+ | Akiya (vacancy) rate |
|---|---|---|---|---|
| 01Oita(大分市) | 475,614 | -12.6% | 27.2% | 13.3% |
| 02Beppu(別府市) | 115,321 | -27.1% | 33.8% | 21.7% |
| 03Nakatsu(中津市) | 82,863 | -16.1% | 30.0% | 20.2% |
| 04Saiki(佐伯市) | 66,851 | -46.5% | 40.9% | 21.6% |
| 05Hita(日田市) | 62,657 | -38.0% | 35.7% | 18.9% |
| 06Usa(宇佐市) | 52,771 | -32.9% | 36.6% | 25.6% |
| 07Usuki(臼杵市) | 36,158 | -45.1% | 41.0% | 21.3% |
| 08Bungoono(豊後大野市) | 33,695 | -46.3% | 44.2% | 19.7% |
| 09Yufu(由布市) | 32,772 | -22.1% | 34.2% | 29.8% |
| 10Kitsuki(杵築市) | 27,999 | -41.2% | 37.1% | 29.7% |
| 11Hiji(日出町) | 27,723 | -16.4% | 30.7% | 16.1% |
| 12Kunisaki(国東市) | 26,232 | -46.2% | 43.1% | 25.0% |
| 13Bungotakada(豊後高田市) | 22,112 | -28.1% | 38.7% | 26.8% |
| 14Taketa(竹田市) | 20,332 | -52.3% | 48.2% | 30.4% |
| 15Tsukumi(津久見市) | 16,100 | -57.8% | 45.0% | 26.3% |
| 16Kusu(玖珠町) | 14,386 | -47.8% | 38.4% | — |
| 17Kokonoe(九重町) | 8,541 | -51.3% | 45.2% | — |
| 18Himeshima(姫島村) | 1,725 | -67.7% | 54.6% | — |