Japan Population Decline Simulator

Fukuoka福岡県

Ogoori 小郡市

Data last updated:

Ogoori, Fukuoka, Japan has a population of 58,390 (2025 national census). IPSS projections estimate 57,867 by 2030 and 52,689 by 2050 (a decrease of about 11.2% from 2020), with the share of residents aged 65+ rising from 28.5% in 2020 to 37.7%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

58,390

2030

(Projection)

57,867

▼ -2.5%

2040

(Projection)

55,570

▼ -6.4%

2050

(Projection)

52,689

▼ -11.2%

Change vs. 2020 census

Elderly Rate (65+): 2020 28.5%→2050 37.7%

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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.

Ogoori 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
198041,057▼ -30.8%Census
198543,811▼ -26.2%Census
199047,116▼ -20.6%Census
199550,612▼ -14.7%Census
200054,583▼ -8.0%Census
200557,481▼ -3.2%Census
201058,499▼ -1.5%Census
201557,983▼ -2.3%Census
202059,360—Census
202558,390▼ -1.6%Census
203057,867▼ -2.5%Projection
203556,781▼ -4.3%Projection
204055,570▼ -6.4%Projection
204554,174▼ -8.7%Projection
205052,689▼ -11.2%Projection

About Ogoori

Overview

Ogoori (小郡市) is a municipality in Fukuoka, Japan, with a population of 58,390 as of 2025.

Population Projection of Ogoori

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ogoori's population is expected to reach 57,867 by 2030 (-2.5%), 55,570 by 2040 (-6.4%), and 52,689 by 2050 (-11.2%). A modest population change is expected.

Aging Rate of Ogoori

The aging rate (percentage of residents aged 65 and over) is 28.5% as of 2020 and is projected to rise to 37.7% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1586 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1425 out of 1903 nationwide.
  • Population size: Ranked #612 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Fukuoka

Earnings in Fukuoka (福岡県): Average salary in Fukuoka (福岡県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Ogoori, Fukuoka?
A.According to the 2025 national census, Ogoori has a population of 58,390.
Q.What is the population of Ogoori in 2026?
A.Ogoori's population in 2026 is estimated at approximately 58,285. This is an interpolated reference value between the 2025 census (58,390) and the IPSS projection for 2030 (57,867).
Q.What is the projected population of Ogoori in the future?
A.According to IPSS projections, Ogoori's population is expected to be 57,867 in 2030, 55,570 in 2040, and 52,689 in 2050.
Q.What is the population decline rate of Ogoori?
A.Over the 30 years from 2020 to 2050, Ogoori's population is projected to change by -11.2%. The 10-year change is -2.5% and the 20-year change is -6.4%.
Q.Why is the population of Ogoori 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 Ogoori, the share of residents aged 65+ is projected to rise from 28.5% to 37.7% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Ogoori?
A.Ogoori's aging rate (percentage aged 65 and over) is 28.5% as of 2020, projected to rise to 37.7% 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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