일본 인구 감소 시뮬레이터

Hokkaido北海道

Niki 仁木町

Data last updated:

Niki, Hokkaido, Japan has a population of 3,184 (2025 national census). IPSS projections estimate 2,723 by 2030 and 1,987 by 2050 (a decrease of about 37.5% from 2020), with the share of residents aged 65+ rising from 40.3% in 2020 to 43.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025년

(실적)

3,184명

2030년

(추계)

2,723명

▼ -14.4%

2040년

(추계)

2,333명

▼ -26.6%

2050년

(추계)

1,987명

▼ -37.5%

Change vs. 2020 census

고령화율(65세 이상): 2020년 40.3%→2050년 43%

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Hokkaido (北海道)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.

Niki 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
19805,467▲ +71.9%Census
19854,959▲ +55.9%Census
19904,595▲ +44.5%Census
19954,293▲ +35.0%Census
20004,111▲ +29.3%Census
20053,967▲ +24.7%Census
20103,800▲ +19.5%Census
20153,498▲ +10.0%Census
20203,180—Census
20253,184▲ +0.1%Census
20302,723▼ -14.4%Projection
20352,520▼ -20.8%Projection
20402,333▼ -26.6%Projection
20452,154▼ -32.3%Projection
20501,987▼ -37.5%Projection

About Niki

Overview

Niki (仁木町) is a municipality in Hokkaido, Japan, with a population of 3,184 as of 2025.

Population Projection of Niki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Niki's population is expected to reach 2,723 by 2030 (-14.4%), 2,333 by 2040 (-26.6%), and 1,987 by 2050 (-37.5%). A significant population decline is projected over the next three decades.

Aging Rate of Niki

The aging rate (percentage of residents aged 65 and over) is 40.3% as of 2020 and is projected to rise to 43.0% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Niki's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #809 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1018 out of 1903 nationwide.
  • Population size: Ranked #1711 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Hokkaido

Hokkaido (北海道)의 소득 수준: Hokkaido (北海道)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사

Frequently Asked Questions

Q.What is the current population of Niki, Hokkaido?
A.According to the 2025 national census, Niki has a population of 3,184.
Q.What is the population of Niki in 2026?
A.Niki's population in 2026 is estimated at approximately 3,092. This is an interpolated reference value between the 2025 census (3,184) and the IPSS projection for 2030 (2,723).
Q.What is the projected population of Niki in the future?
A.According to IPSS projections, Niki's population is expected to be 2,723 in 2030, 2,333 in 2040, and 1,987 in 2050.
Q.What is the population decline rate of Niki?
A.Over the 30 years from 2020 to 2050, Niki's population is projected to change by -37.5%. The 10-year change is -14.4% and the 20-year change is -26.6%.
Q.Why is the population of Niki 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 Niki, the share of residents aged 65+ is projected to rise from 40.3% to 43.0% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Niki?
A.Niki's aging rate (percentage aged 65 and over) is 40.3% as of 2020, projected to rise to 43.0% 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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