Japan Population Decline Simulator

Akita秋田県

Hachirougata 八郎潟町

Data last updated:

Hachirougata, Akita, Japan has a population of 4,951 (2025 national census). IPSS projections estimate 4,474 by 2030 and 2,548 by 2050 (a decrease of about 54.4% from 2020), with the share of residents aged 65+ rising from 44.4% in 2020 to 61.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

4,951

2030

(Projection)

4,474

▼ -19.9%

2040

(Projection)

3,463

▼ -38.0%

2050

(Projection)

2,548

▼ -54.4%

Change vs. 2020 census

Elderly Rate (65+): 2020 44.4%→2050 61.8%

Enter your age

See the population of 八郎潟町 when you turn 50, 60, 70 and 80.

years old

Other municipalities in Akita (秋田県)

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.

Hachirougata 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
19808,228▲ +47.4%Census
19858,239▲ +47.6%Census
19908,152▲ +46.0%Census
19957,768▲ +39.1%Census
20007,533▲ +34.9%Census
20057,093▲ +27.0%Census
20106,623▲ +18.6%Census
20156,080▲ +8.9%Census
20205,583—Census
20254,951▼ -11.3%Census
20304,474▼ -19.9%Projection
20353,956▼ -29.1%Projection
20403,463▼ -38.0%Projection
20452,992▼ -46.4%Projection
20502,548▼ -54.4%Projection

About Hachirougata

Overview

Hachirougata (八郎潟町) is a municipality in Akita, Japan, with a population of 4,951 as of 2025.

Population Projection of Hachirougata

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Hachirougata's population is expected to reach 4,474 by 2030 (-19.9%), 3,463 by 2040 (-38.0%), and 2,548 by 2050 (-54.4%). The town is projected to lose more than half its population over 30 years.

Aging Rate of Hachirougata

The aging rate (percentage of residents aged 65 and over) is 44.4% as of 2020 and is projected to rise to 61.8% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

Hachirougata is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #187 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #70 out of 1903 nationwide.
  • Population size: Ranked #1599 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Akita

Earnings in Akita (秋田県): Average salary in Akita (秋田県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Hachirougata, Akita?
A.According to the 2025 national census, Hachirougata has a population of 4,951.
Q.What is the population of Hachirougata in 2026?
A.Hachirougata's population in 2026 is estimated at approximately 4,856. This is an interpolated reference value between the 2025 census (4,951) and the IPSS projection for 2030 (4,474).
Q.What is the projected population of Hachirougata in the future?
A.According to IPSS projections, Hachirougata's population is expected to be 4,474 in 2030, 3,463 in 2040, and 2,548 in 2050.
Q.What is the population decline rate of Hachirougata?
A.Over the 30 years from 2020 to 2050, Hachirougata's population is projected to change by -54.4%. The 10-year change is -19.9% and the 20-year change is -38.0%.
Q.Why is the population of Hachirougata 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 Hachirougata, the share of residents aged 65+ is projected to rise from 44.4% to 61.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Hachirougata?
A.Hachirougata's aging rate (percentage aged 65 and over) is 44.4% as of 2020, projected to rise to 61.8% 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.

Similar-Sized Municipalities in Akita

Municipalities with Similar Trends

Share this page