Japan Population Decline Simulator

Ibaraki茨城県

Moriya 守谷市

Data last updated:

Moriya, Ibaraki, Japan has a population of 70,199 (2025 national census). IPSS projections estimate 72,593 by 2030 and 76,203 by 2050 (an increase of about 11.4% from 2020), with the share of residents aged 65+ rising from 23.3% in 2020 to 31.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

70,199

2030

(Projection)

72,593

▲ +6.1%

2040

(Projection)

75,328

▲ +10.1%

2050

(Projection)

76,203

▲ +11.4%

Change vs. 2020 census

Elderly Rate (65+): 2020 23.3%→2050 31.4%

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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.

Moriya Population Table (1980–2050)

Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.

YearPopulationvs 2020Type
198017,585▼ -74.3%Census
198523,856▼ -65.1%Census
199036,427▼ -46.8%Census
199545,821▼ -33.0%Census
200050,362▼ -26.4%Census
200553,700▼ -21.5%Census
201062,482▼ -8.7%Census
201564,753▼ -5.4%Census
202068,421—Census
202570,199▲ +2.6%Census
203072,593▲ +6.1%Projection
203574,264▲ +8.5%Projection
204075,328▲ +10.1%Projection
204575,950▲ +11.0%Projection
205076,203▲ +11.4%Projection

About Moriya

Overview

Moriya (守谷市) is a municipality in Ibaraki, Japan, with a population of 70,199 as of 2025.

Population Projection of Moriya

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Moriya's population is expected to reach 72,593 by 2030 (+6.1%), 75,328 by 2040 (+10.1%), and 76,203 by 2050 (+11.4%). Moriya is among the rare Japanese municipalities projected to see population growth.

Aging Rate of Moriya

The aging rate (percentage of residents aged 65 and over) is 23.3% as of 2020 and is projected to rise to 31.4% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Moriya stands out as one of the few Japanese municipalities with continued population growth.

National and Prefectural Rank

  • Population decline rate: Ranked #1892 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1793 out of 1903 nationwide.
  • Population size: Ranked #550 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

Frequently Asked Questions

Q.What is the current population of Moriya, Ibaraki?
A.According to the 2025 national census, Moriya has a population of 70,199.
Q.What is the population of Moriya in 2026?
A.Moriya's population in 2026 is estimated at approximately 70,678. This is an interpolated reference value between the 2025 census (70,199) and the IPSS projection for 2030 (72,593).
Q.What is the projected population of Moriya in the future?
A.According to IPSS projections, Moriya's population is expected to be 72,593 in 2030, 75,328 in 2040, and 76,203 in 2050.
Q.What is the population decline rate of Moriya?
A.Over the 30 years from 2020 to 2050, Moriya's population is projected to change by +11.4%. The 10-year change is +6.1% and the 20-year change is +10.1%.
Q.Why is the population of Moriya growing?
A.Municipalities with growing populations typically benefit from net in-migration driven by good access to major metropolitan areas, housing development, and family support policies. Moriya is one of the minority of Japanese municipalities projected to grow through 2050.
Q.What is the aging rate of Moriya?
A.Moriya's aging rate (percentage aged 65 and over) is 23.3% as of 2020, projected to rise to 31.4% 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 national census results through 2025. Future projections use the IPSS 2023 edition, which is based on the 2020 census.

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