Ibaraki茨城県
Namegata 行方市
Data last updated:
Namegata, Ibaraki, Japan has a population of 29,212 (2025 national census). IPSS projections estimate 27,142 by 2030 and 17,726 by 2050 (a decrease of about 44.9% from 2020), with the share of residents aged 65+ rising from 36.1% in 2020 to 50.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025Census
29,212
2030Projection
27,142
▼ -15.7%
2040Projection
22,321
▼ -30.6%
2050Projection
17,726
▼ -44.9%
Change vs. 2020 census
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Other municipalities in Ibaraki (茨城県)
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.
Namegata 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 | 42,660 | ▲ +32.5% | Census |
| 1985 | 43,074 | ▲ +33.8% | Census |
| 1990 | 42,990 | ▲ +33.6% | Census |
| 1995 | 42,390 | ▲ +31.7% | Census |
| 2000 | 41,465 | ▲ +28.8% | Census |
| 2005 | 40,035 | ▲ +24.4% | Census |
| 2010 | 37,611 | ▲ +16.9% | Census |
| 2015 | 34,909 | ▲ +8.5% | Census |
| 2020 | 32,185 | — | Census |
| 2025 | 29,212 | ▼ -9.2% | Census |
| 2030 | 27,142 | ▼ -15.7% | Projection |
| 2035 | 24,706 | ▼ -23.2% | Projection |
| 2040 | 22,321 | ▼ -30.6% | Projection |
| 2045 | 19,957 | ▼ -38.0% | Projection |
| 2050 | 17,726 | ▼ -44.9% | Projection |
About Namegata
Overview
Namegata (行方市) is a municipality in Ibaraki, Japan, with a population of 29,212 as of 2025.
Population Projection of Namegata
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Namegata's population is expected to reach 27,142 by 2030 (-15.7%), 22,321 by 2040 (-30.6%), and 17,726 by 2050 (-44.9%). A significant population decline is projected over the next three decades.
Aging Rate of Namegata
The aging rate (percentage of residents aged 65 and over) is 36.1% as of 2020 and is projected to rise to 50.0% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Namegata is experiencing one of the faster rates of population decline in Japan.
National and Prefectural Rank
- Population decline rate: Ranked #532 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #559 out of 1903 nationwide.
- Population size: Ranked #923 out of 1917 nationwide.
- Related: National rankings / All municipalities in Ibaraki
Earnings in Ibaraki (茨城県): Average salary in Ibaraki (茨城県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure