일본 인구 감소 시뮬레이터

Ibaraki茨城県

Ibaraki 茨城町

Data last updated:

Ibaraki, Ibaraki, Japan has a population of 31,417 (2020 national census). IPSS projections estimate 28,429 by 2030 and 21,664 by 2050 (a decrease of about 31.0% from 2020), with the share of residents aged 65+ rising from 35.0% to 45.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020년

(실적)

31,417명

2030년

(추계)

28,429명

▼ -9.5%

2040년

(추계)

25,107명

▼ -20.1%

2050년

(추계)

21,664명

▼ -31.0%

고령화율（65세 이상）: 2020년 35%→2050년 45.4%

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데이터 출처

  • 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
  • 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」

※이 서비스는 e-Stat의 API 기능을 사용하고 있으나 서비스 내용은 일본 정부에 의해 보증된 것이 아닙니다.

Ibaraki Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
202031,417—Census
202529,985▼ -4.6%Projection
203028,429▼ -9.5%Projection
203526,828▼ -14.6%Projection
204025,107▼ -20.1%Projection
204523,349▼ -25.7%Projection
205021,664▼ -31.0%Projection

About Ibaraki

Overview

Ibaraki (茨城町) is a municipality in Ibaraki, Japan, with a population of 31,417 as of 2020.

Population Projection of Ibaraki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ibaraki's population is expected to reach 28,429 by 2030 (-9.5%), 25,107 by 2040 (-20.1%), and 21,664 by 2050 (-31.0%). A significant population decline is projected over the next three decades.

Aging Rate of Ibaraki

The aging rate (percentage of residents aged 65 and over) is 35.0% as of 2020 and is projected to rise to 45.4% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Ibaraki's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1023 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #860 out of 1903 nationwide.
  • Population size: Ranked #915 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Ibaraki

Frequently Asked Questions

Q.What is the current population of Ibaraki, Ibaraki?
A.According to the 2020 national census, Ibaraki has a population of 31,417.
Q.What is the population of Ibaraki in 2026?
A.Ibaraki's population in 2026 is estimated at approximately 29,674. This is an interpolated reference value between the 2020 census (31,417) and the IPSS projection for 2030 (28,429).
Q.What is the projected population of Ibaraki in the future?
A.According to IPSS projections, Ibaraki's population is expected to be 28,429 in 2030, 25,107 in 2040, and 21,664 in 2050.
Q.What is the population decline rate of Ibaraki?
A.Over the 30 years from 2020 to 2050, Ibaraki's population is projected to change by -31.0%. The 10-year change is -9.5% and the 20-year change is -20.1%.
Q.Why is the population of Ibaraki declining?
A.Nationwide, Japan's population decline is driven by natural decrease (deaths exceeding births) and, in regional municipalities, by net out-migration of young people to major metropolitan areas. In Ibaraki, the share of residents aged 65+ is projected to rise from 35.0% to 45.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Ibaraki?
A.Ibaraki's aging rate (percentage aged 65 and over) is 35.0% as of 2020, projected to rise to 45.4% by 2050.
Q.Where does this population data come from?
A.Historical data is sourced from Japan's national census via the e-Stat API (Statistics Bureau of Japan). Future projections are from the National Institute of Population and Social Security Research (IPSS) "Regional Population Projections 2023".
Q.Is the data up to date?
A.Historical data uses the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

Similar-Sized Municipalities in Ibaraki

Namegata行方市
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Takahagi高萩市
27,722▼ -46.5%
Itako潮来市
27,624▼ -38.9%
Toukai東海村
37,900▼ -12.5%
Sakai境町
24,208▼ -25.2%
Inashiki稲敷市
39,079▼ -50.9%
Sakuragawa桜川市
39,159▼ -47.7%
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39,294▼ -43.2%
View all 44 municipalities in Ibaraki →

Municipalities with Similar Trends

Aomori Oowani大鰐町
▼ -58.0%
Gifu Hichisou七宗町
▼ -58.1%
Akita Gojoume五城目町
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Gifu Shirakawa白川町
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Miyagi Minamisanriku南三陸町
▼ -58.3%
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