Fukui福井県
Sakai 坂井市
Data last updated:
Sakai, Fukui, Japan has a population of 84,713 (2025 national census). IPSS projections estimate 82,411 by 2030 and 67,141 by 2050 (a decrease of about 24.1% from 2020), with the share of residents aged 65+ rising from 28.9% in 2020 to 40.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
84,713
2030Projection
82,411
▼ -6.9%
2040Projection
75,231
▼ -15.0%
2050Projection
67,141
▼ -24.1%
Change vs. 2020 census
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Other municipalities in Fukui (福井県)
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.
Sakai 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 | 75,983 | ▼ -14.1% | Census |
| 1985 | 80,707 | ▼ -8.8% | Census |
| 1990 | 83,372 | ▼ -5.8% | Census |
| 1995 | 86,870 | ▼ -1.8% | Census |
| 2000 | 91,173 | ▲ +3.0% | Census |
| 2005 | 92,318 | ▲ +4.3% | Census |
| 2010 | 91,900 | ▲ +3.9% | Census |
| 2015 | 90,280 | ▲ +2.0% | Census |
| 2020 | 88,481 | — | Census |
| 2025 | 84,713 | ▼ -4.3% | Census |
| 2030 | 82,411 | ▼ -6.9% | Projection |
| 2035 | 78,942 | ▼ -10.8% | Projection |
| 2040 | 75,231 | ▼ -15.0% | Projection |
| 2045 | 71,245 | ▼ -19.5% | Projection |
| 2050 | 67,141 | ▼ -24.1% | Projection |
About Sakai
Overview
Sakai (坂井市) is a municipality in Fukui, Japan, with a population of 84,713 as of 2025.
Population Projection of Sakai
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Sakai's population is expected to reach 82,411 by 2030 (-6.9%), 75,231 by 2040 (-15.0%), and 67,141 by 2050 (-24.1%). A significant population decline is projected over the next three decades.
Aging Rate of Sakai
The aging rate (percentage of residents aged 65 and over) is 28.9% as of 2020 and is projected to rise to 40.8% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Sakai's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1235 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1190 out of 1903 nationwide.
- Population size: Ranked #471 out of 1917 nationwide.
- Related: National rankings / All municipalities in Fukui
Earnings in Fukui (福井県): Average salary in Fukui (福井県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure