일본 인구 감소 시뮬레이터

Saitama埼玉県

Hatoyama 鳩山町

Data last updated:

Hatoyama, Saitama, Japan has a population of 12,639 (2025 national census). IPSS projections estimate 11,557 by 2030 and 7,290 by 2050 (a decrease of about 46.2% from 2020), with the share of residents aged 65+ rising from 45.9% in 2020 to 59.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

12,639명

2030년

(추계)

11,557명

▼ -14.8%

2040년

(추계)

9,337명

▼ -31.1%

2050년

(추계)

7,290명

▼ -46.2%

Change vs. 2020 census

고령화율(65세 이상): 2020년 45.9%→2050년 59.8%

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Saitama (埼玉県)의 다른 시구정촌

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.

Hatoyama 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
198010,301▼ -24.0%Census
198513,931▲ +2.7%Census
199016,812▲ +24.0%Census
199517,973▲ +32.5%Census
200017,008▲ +25.4%Census
200515,985▲ +17.9%Census
201015,305▲ +12.9%Census
201514,338▲ +5.7%Census
202013,560—Census
202512,639▼ -6.8%Census
203011,557▼ -14.8%Projection
203510,471▼ -22.8%Projection
20409,337▼ -31.1%Projection
20458,233▼ -39.3%Projection
20507,290▼ -46.2%Projection

About Hatoyama

Overview

Hatoyama (鳩山町) is a municipality in Saitama, Japan, with a population of 12,639 as of 2025.

Population Projection of Hatoyama

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Hatoyama's population is expected to reach 11,557 by 2030 (-14.8%), 9,337 by 2040 (-31.1%), and 7,290 by 2050 (-46.2%). A significant population decline is projected over the next three decades.

Aging Rate of Hatoyama

The aging rate (percentage of residents aged 65 and over) is 45.9% as of 2020 and is projected to rise to 59.8% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #482 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #114 out of 1903 nationwide.
  • Population size: Ranked #1264 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Saitama

Saitama (埼玉県)의 소득 수준: Saitama (埼玉県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사

Frequently Asked Questions

Q.What is the current population of Hatoyama, Saitama?
A.According to the 2025 national census, Hatoyama has a population of 12,639.
Q.What is the population of Hatoyama in 2026?
A.Hatoyama's population in 2026 is estimated at approximately 12,423. This is an interpolated reference value between the 2025 census (12,639) and the IPSS projection for 2030 (11,557).
Q.What is the projected population of Hatoyama in the future?
A.According to IPSS projections, Hatoyama's population is expected to be 11,557 in 2030, 9,337 in 2040, and 7,290 in 2050.
Q.What is the population decline rate of Hatoyama?
A.Over the 30 years from 2020 to 2050, Hatoyama's population is projected to change by -46.2%. The 10-year change is -14.8% and the 20-year change is -31.1%.
Q.Why is the population of Hatoyama 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 Hatoyama, the share of residents aged 65+ is projected to rise from 45.9% to 59.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Hatoyama?
A.Hatoyama's aging rate (percentage aged 65 and over) is 45.9% as of 2020, projected to rise to 59.8% 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.

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