Kochi: Aging Rate (2050) Ranking
All 34 municipalities in Kochi ranked by Aging Rate (2050).
Top municipalities in Kochi by aging rate (2050): 1. Touyou (67.5%), 2. Ootoyo (66.1%), 3. Muroto (65.7%).
| Rank | Municipality | Pop. (2025) | Aging Rate 2050 |
|---|---|---|---|
| 1 | Kochi Touyou | 1,849 | 67.5% |
| 2 | Kochi Ootoyo | 2,762 | 66.1% |
| 3 | Kochi Muroto | 9,634 | 65.7% |
| 4 | Kochi Nakatosa | 5,298 | 64.0% |
| 5 | Kochi Tosashimizu | 10,378 | 62.9% |
| 6 | Kochi Ootsuki | 3,894 | 62.6% |
| 7 | Kochi Niyodogawa | 4,010 | 61.1% |
| 8 | Kochi Mihara | 1,272 | 58.7% |
| 9 | Kochi Ochi | 4,440 | 57.4% |
| 10 | Kochi Sukumo | 17,177 | 57.1% |
| 11 | Kochi Yasuda | 2,017 | 57.1% |
| 12 | Kochi Tsuno | 4,677 | 56.7% |
| 13 | Kochi Hidaka | 4,423 | 56.4% |
| 14 | Kochi Kuroshio | 8,990 | 56.1% |
| 15 | Kochi Yusuhara | 2,909 | 55.7% |
| 16 | Kochi Nahari | 2,721 | 54.9% |
| 17 | Kochi Kitagawa | 1,091 | 54.9% |
| 18 | Kochi Motoyama | 3,008 | 54.9% |
| 19 | Kochi Ino | 19,688 | 54.6% |
| 20 | Kochi Aki | 14,617 | 54.3% |
| 21 | Kochi Shimanto | 13,839 | 54.1% |
| 22 | Kochi Sakawa | 11,246 | 52.4% |
| 23 | Kochi Susaki | 18,290 | 52.1% |
| 24 | Kochi Tano | 2,262 | 51.8% |
| 25 | Kochi Tosa | 3,428 | 50.9% |
| 26 | Kochi Shimanto | 30,452 | 49.2% |
| 27 | Kochi Geisei | 3,545 | 46.7% |
| 28 | Kochi Tosa | 23,840 | 43.0% |
| 29 | Kochi Nankoku | 45,359 | 42.6% |
| 30 | Kochi Umaji | 649 | 42.6% |
| 31 | Kochi Kami | 24,381 | 42.5% |
| 32 | Kochi Kouchi | 309,085 | 42.4% |
| 33 | Kochi Kounan | 31,269 | 41.1% |
| 34 | Kochi Ookawa | 336 | 39.7% |