Ibaraki茨城県
Hitachinaka ひたちなか市
Data last updated:
Hitachinaka, Ibaraki, Japan has a population of 151,618 (2025 national census). IPSS projections estimate 150,831 by 2030 and 132,531 by 2050 (a decrease of about 15.4% from 2020), with the share of residents aged 65+ rising from 26.1% in 2020 to 38.6%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025
(Census)
151,618
2030
(Projection)
150,831
▼ -3.7%
2040
(Projection)
142,518
▼ -9.0%
2050
(Projection)
132,531
▼ -15.4%
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.
Hitachinaka 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 | 125,945 | ▼ -19.6% | Census |
| 1985 | 135,774 | ▼ -13.3% | Census |
| 1990 | 142,402 | ▼ -9.1% | Census |
| 1995 | 146,750 | ▼ -6.3% | Census |
| 2000 | 151,673 | ▼ -3.1% | Census |
| 2005 | 153,639 | ▼ -1.9% | Census |
| 2010 | 157,060 | ▲ +0.3% | Census |
| 2015 | 155,689 | ▼ -0.6% | Census |
| 2020 | 156,581 | — | Census |
| 2025 | 151,618 | ▼ -3.2% | Census |
| 2030 | 150,831 | ▼ -3.7% | Projection |
| 2035 | 146,885 | ▼ -6.2% | Projection |
| 2040 | 142,518 | ▼ -9.0% | Projection |
| 2045 | 137,785 | ▼ -12.0% | Projection |
| 2050 | 132,531 | ▼ -15.4% | Projection |
About Hitachinaka
Overview
Hitachinaka (ひたちなか市) is a municipality in Ibaraki, Japan, with a population of 151,618 as of 2025.
Population Projection of Hitachinaka
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Hitachinaka's population is expected to reach 150,831 by 2030 (-3.7%), 142,518 by 2040 (-9.0%), and 132,531 by 2050 (-15.4%). A modest population change is expected.
Aging Rate of Hitachinaka
The aging rate (percentage of residents aged 65 and over) is 26.1% as of 2020 and is projected to rise to 38.6% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Hitachinaka's demographic trajectory is similar to the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1471 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1369 out of 1903 nationwide.
- Population size: Ranked #258 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