Kumamoto熊本県
Uki 宇城市
Data last updated:
Uki, Kumamoto, Japan has a population of 54,513 (2025 national census). IPSS projections estimate 51,603 by 2030 and 40,339 by 2050 (a decrease of about 29.3% from 2020), with the share of residents aged 65+ rising from 35.1% in 2020 to 42.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
54,513
2030
(Projection)
51,603
▼ -9.5%
2040
(Projection)
46,007
▼ -19.3%
2050
(Projection)
40,339
▼ -29.3%
Change vs. 2020 census
Enter your age
See the population of 宇城市 when you turn 50, 60, 70 and 80.
Other municipalities in Kumamoto (熊本県)
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.
Uki 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 | 62,412 | ▲ +9.4% | Census |
| 1985 | 63,662 | ▲ +11.6% | Census |
| 1990 | 63,401 | ▲ +11.2% | Census |
| 1995 | 64,008 | ▲ +12.2% | Census |
| 2000 | 63,968 | ▲ +12.2% | Census |
| 2005 | 63,089 | ▲ +10.6% | Census |
| 2010 | 61,878 | ▲ +8.5% | Census |
| 2015 | 59,756 | ▲ +4.8% | Census |
| 2020 | 57,032 | — | Census |
| 2025 | 54,513 | ▼ -4.4% | Census |
| 2030 | 51,603 | ▼ -9.5% | Projection |
| 2035 | 48,801 | ▼ -14.4% | Projection |
| 2040 | 46,007 | ▼ -19.3% | Projection |
| 2045 | 43,152 | ▼ -24.3% | Projection |
| 2050 | 40,339 | ▼ -29.3% | Projection |
About Uki
Overview
Uki (宇城市) is a municipality in Kumamoto, Japan, with a population of 54,513 as of 2025.
Population Projection of Uki
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Uki's population is expected to reach 51,603 by 2030 (-9.5%), 46,007 by 2040 (-19.3%), and 40,339 by 2050 (-29.3%). A significant population decline is projected over the next three decades.
Aging Rate of Uki
The aging rate (percentage of residents aged 65 and over) is 35.1% as of 2020 and is projected to rise to 42.6% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Uki's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1080 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1054 out of 1903 nationwide.
- Population size: Ranked #644 out of 1917 nationwide.
- Related: National rankings / All municipalities in Kumamoto
Earnings in Kumamoto (熊本県): Average salary in Kumamoto (熊本県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure