日本人口减少模拟器

Okinawa沖縄県

Tonaki 渡名喜村

Data last updated:

Tonaki, Okinawa, Japan has a population of 348 (2020 national census). IPSS projections estimate 284 by 2030 and 221 by 2050 (a decrease of about 36.5% from 2020), with the share of residents aged 65+ rising from 41.3% to 47.1%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020年

(实际)

348人

2030年

(预测)

284人

▼ -18.4%

2040年

(预测)

260人

▼ -25.3%

2050年

(预测)

221人

▼ -36.5%

老龄化率（65岁以上）: 2020年 41.3%→2050年 47.1%

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数据来源

  • 日本政府统计综合窗口(e-Stat)（https://www.e-stat.go.jp/）
  • 国立社会保障・人口问题研究所「日本地区别未来推计人口（令和5年推计）」

※本服务使用e-Stat的API功能，但服务内容不受日本政府保证。

Tonaki Population Projection Table (2020–2050)

Population by year, based on the national census and IPSS (2023) projections.

YearPopulationvs 2020Type
2020348—Census
2025315▼ -9.5%Projection
2030284▼ -18.4%Projection
2035272▼ -21.8%Projection
2040260▼ -25.3%Projection
2045243▼ -30.2%Projection
2050221▼ -36.5%Projection

About Tonaki

Overview

Tonaki (渡名喜村) is a municipality in Okinawa, Japan, with a population of 348 as of 2020.

Population Projection of Tonaki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Tonaki's population is expected to reach 284 by 2030 (-18.4%), 260 by 2040 (-25.3%), and 221 by 2050 (-36.5%). A significant population decline is projected over the next three decades.

Aging Rate of Tonaki

The aging rate (percentage of residents aged 65 and over) is 41.3% as of 2020 and is projected to rise to 47.1% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Tonaki's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #844 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #747 out of 1916 nationwide.
  • Population size: Ranked #1913 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Okinawa

Frequently Asked Questions

Q.What is the current population of Tonaki, Okinawa?
A.According to the 2020 national census, Tonaki has a population of 348.
Q.What is the population of Tonaki in 2026?
A.Tonaki's population in 2026 is estimated at approximately 309. This is an interpolated reference value between the 2020 census (348) and the IPSS projection for 2030 (284).
Q.What is the projected population of Tonaki in the future?
A.According to IPSS projections, Tonaki's population is expected to be 284 in 2030, 260 in 2040, and 221 in 2050.
Q.What is the population decline rate of Tonaki?
A.Over the 30 years from 2020 to 2050, Tonaki's population is projected to change by -36.5%. The 10-year change is -18.4% and the 20-year change is -25.3%.
Q.Why is the population of Tonaki 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 Tonaki, the share of residents aged 65+ is projected to rise from 41.3% to 47.1% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Tonaki?
A.Tonaki's aging rate (percentage aged 65 and over) is 41.3% as of 2020, projected to rise to 47.1% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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