Japan Population Decline Simulator

Okinawa沖縄県

Kadena 嘉手納町

Data last updated:

Kadena, Okinawa, Japan has a population of 13,211 (2025 national census). IPSS projections estimate 12,827 by 2030 and 12,026 by 2050 (a decrease of about 11.1% from 2020), with the share of residents aged 65+ rising from 24.4% in 2020 to 33.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025

(Census)

13,211

2030

(Projection)

12,827

▼ -5.1%

2040

(Projection)

12,440

▼ -8.0%

2050

(Projection)

12,026

▼ -11.1%

Change vs. 2020 census

Elderly Rate (65+): 2020 24.4%→2050 33%

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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.

Kadena 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
198014,094▲ +4.2%Census
198514,126▲ +4.5%Census
199013,865▲ +2.5%Census
199513,752▲ +1.7%Census
200013,661▲ +1.0%Census
200513,629▲ +0.8%Census
201013,827▲ +2.3%Census
201513,685▲ +1.2%Census
202013,521—Census
202513,211▼ -2.3%Census
203012,827▼ -5.1%Projection
203512,629▼ -6.6%Projection
204012,440▼ -8.0%Projection
204512,261▼ -9.3%Projection
205012,026▼ -11.1%Projection

About Kadena

Overview

Kadena (嘉手納町) is a municipality in Okinawa, Japan, with a population of 13,211 as of 2025.

Population Projection of Kadena

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Kadena's population is expected to reach 12,827 by 2030 (-5.1%), 12,440 by 2040 (-8.0%), and 12,026 by 2050 (-11.1%). A modest population change is expected.

Aging Rate of Kadena

The aging rate (percentage of residents aged 65 and over) is 24.4% as of 2020 and is projected to rise to 33.0% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1591 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1736 out of 1903 nationwide.
  • Population size: Ranked #1239 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Okinawa

Earnings in Okinawa (沖縄県): Average salary in Okinawa (沖縄県) by age, gender and company sizejpsalary / MHLW Basic Survey on Wage Structure

Frequently Asked Questions

Q.What is the current population of Kadena, Okinawa?
A.According to the 2025 national census, Kadena has a population of 13,211.
Q.What is the population of Kadena in 2026?
A.Kadena's population in 2026 is estimated at approximately 13,134. This is an interpolated reference value between the 2025 census (13,211) and the IPSS projection for 2030 (12,827).
Q.What is the projected population of Kadena in the future?
A.According to IPSS projections, Kadena's population is expected to be 12,827 in 2030, 12,440 in 2040, and 12,026 in 2050.
Q.What is the population decline rate of Kadena?
A.Over the 30 years from 2020 to 2050, Kadena's population is projected to change by -11.1%. The 10-year change is -5.1% and the 20-year change is -8.0%.
Q.Why is the population of Kadena 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 Kadena, the share of residents aged 65+ is projected to rise from 24.4% to 33.0% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Kadena?
A.Kadena's aging rate (percentage aged 65 and over) is 24.4% as of 2020, projected to rise to 33.0% 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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