Tochigi栃木県
Ootawara 大田原市
Data last updated:
Ootawara, Tochigi, Japan has a population of 68,384 (2025 national census). IPSS projections estimate 66,216 by 2030 and 52,338 by 2050 (a decrease of about 27.4% from 2020), with the share of residents aged 65+ rising from 29.0% in 2020 to 40.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
68,384
2030Projection
66,216
▼ -8.1%
2040Projection
59,601
▼ -17.3%
2050Projection
52,338
▼ -27.4%
Change vs. 2020 census
Enter your age
See the population of 大田原市 when you turn 50, 60, 70 and 80.
Other municipalities in Tochigi (栃木県)
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.
Ootawara 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 | 71,276 | ▼ -1.1% | Census |
| 1985 | 74,033 | ▲ +2.7% | Census |
| 1990 | 76,406 | ▲ +6.0% | Census |
| 1995 | 77,063 | ▲ +6.9% | Census |
| 2000 | 78,993 | ▲ +9.6% | Census |
| 2005 | 79,023 | ▲ +9.6% | Census |
| 2010 | 77,729 | ▲ +7.8% | Census |
| 2015 | 75,457 | ▲ +4.7% | Census |
| 2020 | 72,087 | — | Census |
| 2025 | 68,384 | ▼ -5.1% | Census |
| 2030 | 66,216 | ▼ -8.1% | Projection |
| 2035 | 63,026 | ▼ -12.6% | Projection |
| 2040 | 59,601 | ▼ -17.3% | Projection |
| 2045 | 55,964 | ▼ -22.4% | Projection |
| 2050 | 52,338 | ▼ -27.4% | Projection |
About Ootawara
Overview
Ootawara (大田原市) is a municipality in Tochigi, Japan, with a population of 68,384 as of 2025.
Population Projection of Ootawara
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ootawara's population is expected to reach 66,216 by 2030 (-8.1%), 59,601 by 2040 (-17.3%), and 52,338 by 2050 (-27.4%). A significant population decline is projected over the next three decades.
Aging Rate of Ootawara
The aging rate (percentage of residents aged 65 and over) is 29.0% as of 2020 and is projected to rise to 40.0% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.
National Comparison
Ootawara's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1138 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1258 out of 1903 nationwide.
- Population size: Ranked #562 out of 1917 nationwide.
- Related: National rankings / All municipalities in Tochigi
Earnings in Tochigi (栃木県): Average salary in Tochigi (栃木県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure