Tokyo東京都
Okutama 奥多摩町
Data last updated:
Okutama, Tokyo, Japan has a population of 4,206 (2025 national census). IPSS projections estimate 4,108 by 2030 and 2,659 by 2050 (a decrease of about 44.0% from 2020), with the share of residents aged 65+ rising from 50.8% in 2020 to 62.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년실적
4,206명
2030년추계
4,108명
▼ -13.5%
2040년추계
3,381명
▼ -28.8%
2050년추계
2,659명
▼ -44.0%
Change vs. 2020 census
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Okutama 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 | 9,808 | ▲ +106.5% | Census |
| 1985 | 9,273 | ▲ +95.2% | Census |
| 1990 | 8,752 | ▲ +84.3% | Census |
| 1995 | 8,257 | ▲ +73.8% | Census |
| 2000 | 7,575 | ▲ +59.5% | Census |
| 2005 | 6,741 | ▲ +41.9% | Census |
| 2010 | 6,045 | ▲ +27.3% | Census |
| 2015 | 5,234 | ▲ +10.2% | Census |
| 2020 | 4,750 | — | Census |
| 2025 | 4,206 | ▼ -11.5% | Census |
| 2030 | 4,108 | ▼ -13.5% | Projection |
| 2035 | 3,762 | ▼ -20.8% | Projection |
| 2040 | 3,381 | ▼ -28.8% | Projection |
| 2045 | 3,004 | ▼ -36.8% | Projection |
| 2050 | 2,659 | ▼ -44.0% | Projection |
About Okutama
Overview
Okutama (奥多摩町) is a municipality in Tokyo, Japan, with a population of 4,206 as of 2025.
Population Projection of Okutama
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Okutama's population is expected to reach 4,108 by 2030 (-13.5%), 3,381 by 2040 (-28.8%), and 2,659 by 2050 (-44.0%). A significant population decline is projected over the next three decades.
Aging Rate of Okutama
The aging rate (percentage of residents aged 65 and over) is 50.8% as of 2020 and is projected to rise to 62.1% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Okutama is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #565 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #69 out of 1903 nationwide.
- Population size: Ranked #1645 out of 1917 nationwide.
- Related: National rankings / All municipalities in Tokyo
Tokyo (東京都)의 소득 수준: Tokyo (東京都)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사