Hokkaido北海道
Taiki 大樹町
Data last updated:
Taiki, Hokkaido, Japan has a population of 5,124 (2025 national census). IPSS projections estimate 4,612 by 2030 and 3,308 by 2050 (a decrease of about 39.0% from 2020), with the share of residents aged 65+ rising from 36.6% in 2020 to 38.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
5,124
2030
(Projection)
4,612
▼ -14.9%
2040
(Projection)
3,946
▼ -27.2%
2050
(Projection)
3,308
▼ -39.0%
Change vs. 2020 census
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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.
Taiki 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 | 8,356 | ▲ +54.2% | Census |
| 1985 | 8,118 | ▲ +49.8% | Census |
| 1990 | 7,483 | ▲ +38.1% | Census |
| 1995 | 7,075 | ▲ +30.5% | Census |
| 2000 | 6,711 | ▲ +23.8% | Census |
| 2005 | 6,407 | ▲ +18.2% | Census |
| 2010 | 5,977 | ▲ +10.3% | Census |
| 2015 | 5,738 | ▲ +5.9% | Census |
| 2020 | 5,420 | — | Census |
| 2025 | 5,124 | ▼ -5.5% | Census |
| 2030 | 4,612 | ▼ -14.9% | Projection |
| 2035 | 4,273 | ▼ -21.2% | Projection |
| 2040 | 3,946 | ▼ -27.2% | Projection |
| 2045 | 3,611 | ▼ -33.4% | Projection |
| 2050 | 3,308 | ▼ -39.0% | Projection |
About Taiki
Overview
Taiki (大樹町) is a municipality in Hokkaido, Japan, with a population of 5,124 as of 2025.
Population Projection of Taiki
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Taiki's population is expected to reach 4,612 by 2030 (-14.9%), 3,946 by 2040 (-27.2%), and 3,308 by 2050 (-39.0%). A significant population decline is projected over the next three decades.
Aging Rate of Taiki
The aging rate (percentage of residents aged 65 and over) is 36.6% as of 2020 and is projected to rise to 38.6% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Taiki's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #755 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1368 out of 1903 nationwide.
- Population size: Ranked #1592 out of 1917 nationwide.
- Related: National rankings / All municipalities in Hokkaido
Earnings in Hokkaido (北海道): Average salary in Hokkaido (北海道) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure