| Municipality | Total population (2020) | Change by 2050 (vs 2020) | Share aged 65+ | Akiya (vacancy) rate |
|---|---|---|---|---|
| 01Takamatsu(高松市) | 417,496 | -15.9% | 27.6% | 16.8% |
| 02Marugame(丸亀市) | 109,513 | -15.3% | 28.7% | 17.3% |
| 03Mitoyo(三豊市) | 61,857 | -34.7% | 36.5% | 14.4% |
| 04Kanonji(観音寺市) | 57,438 | -31.5% | 33.8% | 18.6% |
| 05Sakaide(坂出市) | 50,624 | -30.7% | 35.9% | 22.3% |
| 06Sanuki(さぬき市) | 47,003 | -41.0% | 37.0% | 21.5% |
| 07Zentsuji(善通寺市) | 31,631 | -30.5% | 30.6% | 22.9% |
| 08Higashikagawa(東かがわ市) | 28,279 | -52.1% | 42.4% | 21.4% |
| 09Miki(三木町) | 26,878 | -22.9% | 31.4% | 18.8% |
| 10Ayagawa(綾川町) | 22,693 | -31.9% | 36.1% | 15.0% |
| 11Tadotsu(多度津町) | 22,445 | -24.5% | 32.3% | 22.9% |
| 12Utazu(宇多津町) | 18,699 | -11.4% | 21.2% | 16.9% |
| 13Manno(まんのう町) | 17,401 | -35.4% | 38.2% | 18.1% |
| 14Shodoshima(小豆島町) | 13,870 | -45.2% | 44.1% | — |
| 15Tonosho(土庄町) | 12,846 | -48.4% | 43.0% | — |
| 16Kotohira(琴平町) | 8,468 | -45.7% | 41.0% | — |
| 17Naoshima(直島町) | 3,103 | -26.9% | 33.1% | — |