Japan Population Decline Simulator

Fukushima福島県

Ootama 大玉村

Data last updated:

Ootama, Fukushima, Japan has a population of 8,931 (2025 national census). IPSS projections estimate 8,841 by 2030 and 7,970 by 2050 (a decrease of about 10.4% from 2020), with the share of residents aged 65+ rising from 27.7% in 2020 to 36.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

8,931

2030

(Projection)

8,841

▼ -0.7%

2040

(Projection)

8,495

▼ -4.6%

2050

(Projection)

7,970

▼ -10.4%

Change vs. 2020 census

Elderly Rate (65+): 2020 27.7%→2050 36.8%

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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.

Ootama 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
19807,837▼ -11.9%Census
19857,979▼ -10.3%Census
19908,163▼ -8.3%Census
19958,339▼ -6.3%Census
20008,407▼ -5.5%Census
20058,464▼ -4.9%Census
20108,574▼ -3.7%Census
20158,679▼ -2.5%Census
20208,900—Census
20258,931▲ +0.3%Census
20308,841▼ -0.7%Projection
20358,698▼ -2.3%Projection
20408,495▼ -4.6%Projection
20458,247▼ -7.3%Projection
20507,970▼ -10.4%Projection

About Ootama

Overview

Ootama (大玉村) is a municipality in Fukushima, Japan, with a population of 8,931 as of 2025.

Population Projection of Ootama

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ootama's population is expected to reach 8,841 by 2030 (-0.7%), 8,495 by 2040 (-4.6%), and 7,970 by 2050 (-10.4%). A modest population change is expected.

Aging Rate of Ootama

The aging rate (percentage of residents aged 65 and over) is 27.7% as of 2020 and is projected to rise to 36.8% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Ootama's demographic trajectory is similar to the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1608 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1491 out of 1903 nationwide.
  • Population size: Ranked #1395 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Fukushima

Earnings in Fukushima (福島県): Average salary in Fukushima (福島県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Ootama, Fukushima?
A.According to the 2025 national census, Ootama has a population of 8,931.
Q.What is the population of Ootama in 2026?
A.Ootama's population in 2026 is estimated at approximately 8,913. This is an interpolated reference value between the 2025 census (8,931) and the IPSS projection for 2030 (8,841).
Q.What is the projected population of Ootama in the future?
A.According to IPSS projections, Ootama's population is expected to be 8,841 in 2030, 8,495 in 2040, and 7,970 in 2050.
Q.What is the population decline rate of Ootama?
A.Over the 30 years from 2020 to 2050, Ootama's population is projected to change by -10.4%. The 10-year change is -0.7% and the 20-year change is -4.6%.
Q.Why is the population of Ootama 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 Ootama, the share of residents aged 65+ is projected to rise from 27.7% to 36.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Ootama?
A.Ootama's aging rate (percentage aged 65 and over) is 27.7% as of 2020, projected to rise to 36.8% 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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