| Municipality | Total population (2020) | Change by 2050 (vs 2020) | Share aged 65+ | Akiya (vacancy) rate |
|---|---|---|---|---|
| 01Matsuyama(松山市) | 511,192 | -17.4% | 27.3% | 15.0% |
| 02Imabari(今治市) | 151,672 | -34.6% | 35.6% | 25.7% |
| 03Niihama(新居浜市) | 115,938 | -27.1% | 32.2% | 22.5% |
| 04Saijo(西条市) | 104,791 | -26.8% | 32.8% | 21.3% |
| 05Shikokuchuo(四国中央市) | 82,754 | -37.8% | 32.2% | 18.4% |
| 06Uwajima(宇和島市) | 70,809 | -48.8% | 39.8% | 27.3% |
| 07Ozu(大洲市) | 40,575 | -47.3% | 36.9% | 20.8% |
| 08Seiyo(西予市) | 35,388 | -48.6% | 44.0% | 28.4% |
| 09Iyo(伊予市) | 35,133 | -32.7% | 34.1% | 15.2% |
| 10Ton(東温市) | 33,903 | -22.3% | 30.1% | 17.3% |
| 11Yawatahama(八幡浜市) | 31,987 | -50.6% | 40.9% | 25.3% |
| 12Masaki(松前町) | 29,630 | -23.1% | 31.3% | 9.4% |
| 13Tobe(砥部町) | 20,480 | -33.6% | 34.1% | 14.0% |
| 14Ainan(愛南町) | 19,601 | -58.4% | 45.6% | 24.6% |
| 15Uchiko(内子町) | 15,322 | -48.0% | 40.9% | 20.1% |
| 16Kihoku(鬼北町) | 9,682 | -50.6% | 46.8% | — |
| 17Ikata(伊方町) | 8,397 | -58.3% | 47.4% | — |
| 18Kumakogen(久万高原町) | 7,404 | -58.6% | 49.4% | — |
| 19Kamijima(上島町) | 6,509 | -49.6% | 45.4% | — |
| 20Matsuno(松野町) | 3,674 | -49.2% | 47.2% | — |