Tochigi栃木県
Nakagawa 那珂川町
Data last updated:
Nakagawa, Tochigi, Japan has a population of 13,359 (2025 national census). IPSS projections estimate 11,978 by 2030 and 6,986 by 2050 (a decrease of about 54.1% from 2020), with the share of residents aged 65+ rising from 39.7% in 2020 to 59.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
13,359
2030Projection
11,978
▼ -21.3%
2040Projection
9,393
▼ -38.3%
2050Projection
6,986
▼ -54.1%
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.
Nakagawa 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 | 22,704 | ▲ +49.2% | Census |
| 1985 | 22,671 | ▲ +49.0% | Census |
| 1990 | 22,383 | ▲ +47.1% | Census |
| 1995 | 21,774 | ▲ +43.1% | Census |
| 2000 | 20,999 | ▲ +38.0% | Census |
| 2005 | 19,865 | ▲ +30.6% | Census |
| 2010 | 18,446 | ▲ +21.2% | Census |
| 2015 | 16,964 | ▲ +11.5% | Census |
| 2020 | 15,215 | — | Census |
| 2025 | 13,359 | ▼ -12.2% | Census |
| 2030 | 11,978 | ▼ -21.3% | Projection |
| 2035 | 10,665 | ▼ -29.9% | Projection |
| 2040 | 9,393 | ▼ -38.3% | Projection |
| 2045 | 8,149 | ▼ -46.4% | Projection |
| 2050 | 6,986 | ▼ -54.1% | Projection |
About Nakagawa
Overview
Nakagawa (那珂川町) is a municipality in Tochigi, Japan, with a population of 13,359 as of 2025.
Population Projection of Nakagawa
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nakagawa's population is expected to reach 11,978 by 2030 (-21.3%), 9,393 by 2040 (-38.3%), and 6,986 by 2050 (-54.1%). The town is projected to lose more than half its population over 30 years.
Aging Rate of Nakagawa
The aging rate (percentage of residents aged 65 and over) is 39.7% as of 2020 and is projected to rise to 59.4% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Nakagawa is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #190 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #127 out of 1903 nationwide.
- Population size: Ranked #1235 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