Japan Population Decline Simulator

Hokkaido北海道

Suttsu 寿都町

Data last updated:

Suttsu, Hokkaido, Japan has a population of 2,495 (2025 national census). IPSS projections estimate 2,304 by 2030 and 1,538 by 2050 (a decrease of about 45.8% from 2020), with the share of residents aged 65+ rising from 41.1% in 2020 to 42.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

2,495

2030

(Projection)

2,304

▼ -18.8%

2040

(Projection)

1,886

▼ -33.5%

2050

(Projection)

1,538

▼ -45.8%

Change vs. 2020 census

Elderly Rate (65+): 2020 41.1%→2050 42.7%

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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.

Suttsu 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
19805,925▲ +108.8%Census
19855,497▲ +93.7%Census
19904,858▲ +71.2%Census
19954,405▲ +55.2%Census
20004,114▲ +45.0%Census
20053,744▲ +31.9%Census
20103,443▲ +21.3%Census
20153,137▲ +10.5%Census
20202,838—Census
20252,495▼ -12.1%Census
20302,304▼ -18.8%Projection
20352,087▼ -26.5%Projection
20401,886▼ -33.5%Projection
20451,708▼ -39.8%Projection
20501,538▼ -45.8%Projection

About Suttsu

Overview

Suttsu (寿都町) is a municipality in Hokkaido, Japan, with a population of 2,495 as of 2025.

Population Projection of Suttsu

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Suttsu's population is expected to reach 2,304 by 2030 (-18.8%), 1,886 by 2040 (-33.5%), and 1,538 by 2050 (-45.8%). A significant population decline is projected over the next three decades.

Aging Rate of Suttsu

The aging rate (percentage of residents aged 65 and over) is 41.1% as of 2020 and is projected to rise to 42.7% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #493 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1040 out of 1903 nationwide.
  • Population size: Ranked #1767 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Hokkaido

Earnings in Hokkaido (北海道): Average salary in Hokkaido (北海道) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Suttsu, Hokkaido?
A.According to the 2025 national census, Suttsu has a population of 2,495.
Q.What is the population of Suttsu in 2026?
A.Suttsu's population in 2026 is estimated at approximately 2,457. This is an interpolated reference value between the 2025 census (2,495) and the IPSS projection for 2030 (2,304).
Q.What is the projected population of Suttsu in the future?
A.According to IPSS projections, Suttsu's population is expected to be 2,304 in 2030, 1,886 in 2040, and 1,538 in 2050.
Q.What is the population decline rate of Suttsu?
A.Over the 30 years from 2020 to 2050, Suttsu's population is projected to change by -45.8%. The 10-year change is -18.8% and the 20-year change is -33.5%.
Q.Why is the population of Suttsu 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 Suttsu, the share of residents aged 65+ is projected to rise from 41.1% to 42.7% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Suttsu?
A.Suttsu's aging rate (percentage aged 65 and over) is 41.1% as of 2020, projected to rise to 42.7% 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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