Kochi高知県
Tosa 土佐市
Data last updated:
2020
(Census)
25,762
2030
(Projection)
22,609
▼ -12.2%
2040
(Projection)
19,352
▼ -24.9%
2050
(Projection)
16,391
▼ -36.4%
Other municipalities in Kochi (高知県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
About Tosa
Overview
Tosa (土佐市) is a municipality in Kochi, Japan, with a population of 25,762 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tosa's population is expected to reach 22,609 by 2030 (-12.2%), 19,352 by 2040 (-24.9%), and 16,391 by 2050 (-36.4%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 36.9% as of 2020 and is projected to rise to 43.0% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Tosa's population decline rate exceeds the national average.