Akita秋田県
Nikaho にかほ市
Data last updated:
Nikaho, Akita, Japan has a population of 21,166 (2025 national census). IPSS projections estimate 19,453 by 2030 and 12,265 by 2050 (a decrease of about 47.7% from 2020), with the share of residents aged 65+ rising from 39.0% in 2020 to 54.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
21,166
2030
(Projection)
19,453
▼ -17.0%
2040
(Projection)
15,689
▼ -33.1%
2050
(Projection)
12,265
▼ -47.7%
Change vs. 2020 census
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Other municipalities in Akita (秋田県)
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.
Nikaho 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 | 31,428 | ▲ +34.1% | Census |
| 1985 | 32,033 | ▲ +36.7% | Census |
| 1990 | 31,838 | ▲ +35.9% | Census |
| 1995 | 31,336 | ▲ +33.7% | Census |
| 2000 | 30,347 | ▲ +29.5% | Census |
| 2005 | 28,972 | ▲ +23.6% | Census |
| 2010 | 27,544 | ▲ +17.5% | Census |
| 2015 | 25,324 | ▲ +8.1% | Census |
| 2020 | 23,435 | — | Census |
| 2025 | 21,166 | ▼ -9.7% | Census |
| 2030 | 19,453 | ▼ -17.0% | Projection |
| 2035 | 17,509 | ▼ -25.3% | Projection |
| 2040 | 15,689 | ▼ -33.1% | Projection |
| 2045 | 13,927 | ▼ -40.6% | Projection |
| 2050 | 12,265 | ▼ -47.7% | Projection |
About Nikaho
Overview
Nikaho (にかほ市) is a municipality in Akita, Japan, with a population of 21,166 as of 2025.
Population Projection of Nikaho
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nikaho's population is expected to reach 19,453 by 2030 (-17.0%), 15,689 by 2040 (-33.1%), and 12,265 by 2050 (-47.7%). A significant population decline is projected over the next three decades.
Aging Rate of Nikaho
The aging rate (percentage of residents aged 65 and over) is 39.0% as of 2020 and is projected to rise to 54.0% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Nikaho is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #419 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #325 out of 1903 nationwide.
- Population size: Ranked #1056 out of 1917 nationwide.
- Related: National rankings / All municipalities in Akita
Earnings in Akita (秋田県): Average salary in Akita (秋田県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure