Kochi高知県
Ino いの町
Data last updated:
Ino, Kochi, Japan has a population of 19,688 (2025 national census). IPSS projections estimate 17,836 by 2030 and 10,940 by 2050 (a decrease of about 48.8% from 2020), with the share of residents aged 65+ rising from 39.6% in 2020 to 54.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
19,688명
2030년추계
17,836명
▼ -16.6%
2040년추계
14,274명
▼ -33.2%
2050년추계
10,940명
▼ -48.8%
Change vs. 2020 census
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Kochi (高知県)의 다른 시구정촌
데이터 출처
- 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
- 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」
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Ino Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 29,036 | ▲ +35.8% | Census |
| 1985 | 28,423 | ▲ +33.0% | Census |
| 1990 | 28,293 | ▲ +32.4% | Census |
| 1995 | 30,079 | ▲ +40.7% | Census |
| 2000 | 28,729 | ▲ +34.4% | Census |
| 2005 | 27,068 | ▲ +26.6% | Census |
| 2010 | 25,062 | ▲ +17.3% | Census |
| 2015 | 22,767 | ▲ +6.5% | Census |
| 2020 | 21,374 | — | Census |
| 2025 | 19,688 | ▼ -7.9% | Census |
| 2030 | 17,836 | ▼ -16.6% | Projection |
| 2035 | 16,062 | ▼ -24.9% | Projection |
| 2040 | 14,274 | ▼ -33.2% | Projection |
| 2045 | 12,548 | ▼ -41.3% | Projection |
| 2050 | 10,940 | ▼ -48.8% | Projection |
About Ino
Overview
Ino (いの町) is a municipality in Kochi, Japan, with a population of 19,688 as of 2025.
Population Projection of Ino
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ino's population is expected to reach 17,836 by 2030 (-16.6%), 14,274 by 2040 (-33.2%), and 10,940 by 2050 (-48.8%). A significant population decline is projected over the next three decades.
Aging Rate of Ino
The aging rate (percentage of residents aged 65 and over) is 39.6% as of 2020 and is projected to rise to 54.6% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Ino is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #384 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #299 out of 1903 nationwide.
- Population size: Ranked #1084 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kochi
Kochi (高知県)의 소득 수준: Kochi (高知県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사