Kaiyo (海陽町)
TownTokushima (徳島) — 2025 — Based on Basic Resident Register
Total Population
8,199
-203 (-2.42%)
Young (0–14)
6.7%
553
Working Age (15–64)
45.4%
3,726
Aging Rate
47.8%
3,920
Population Trends (2006–2025)
* Data before 2012 includes Japanese residents only (foreign residents were added to the Basic Resident Register in July 2012)
Breakdown by Sex (2025)
| Category | Total | Male | Female |
|---|---|---|---|
| Total | 8,199 | 3,904 | 4,295 |
| Young (0–14) | 553 | 275 | 278 |
| Working Age (15–64) | 3,726 | 1,895 | 1,831 |
| Elderly (65+) | 3,920 | 1,734 | 2,186 |
Annual Trends
| Year | Total Population | 0–14 | 15–64 | 65+ | Aging Rate |
|---|---|---|---|---|---|
| 2025 | 8,199 | 553 | 3,726 | 3,920 | |
| 2024 | 8,402 | 578 | 3,854 | 3,970 | |
| 2023 | 8,645 | 610 | 4,005 | 4,030 | |
| 2022 | 8,768 | 625 | 4,062 | 4,081 | |
| 2021 | 8,975 | 649 | 4,239 | 4,087 | |
| 2020 | 9,237 | 676 | 4,441 | 4,120 | |
| 2019 | 9,467 | 710 | 4,596 | 4,161 | |
| 2018 | 9,625 | 752 | 4,692 | 4,181 | |
| 2017 | 9,851 | 810 | 4,833 | 4,208 | |
| 2016 | 10,002 | 837 | 4,962 | 4,203 | |
| 2015 | 10,259 | 890 | 5,200 | 4,169 | |
| 2014 | 10,508 | 969 | 5,436 | 4,103 | |
| 2013 | 10,638 | 1,010 | 5,565 | 4,063 | |
| 2012 | 10,748 | 1,046 | 5,679 | 4,023 | |
| 2011 | 10,983 | 1,106 | 5,836 | 4,041 | |
| 2010 | 11,207 | 1,159 | 5,957 | 4,091 | |
| 2009 | 11,430 | 1,244 | 6,056 | 4,130 | |
| 2008 | 11,670 | 1,303 | 6,267 | 4,100 | |
| 2007 | 11,927 | 1,379 | 6,473 | 4,075 | |
| 2006 | 12,090 | 1,430 | 6,630 | 4,030 | |