日本人口减少模拟器

Tokyo東京都

Ogasawara 小笠原村

Data last updated:

Ogasawara, Tokyo, Japan has a population of 2,932 (2020 national census). IPSS projections estimate 2,721 by 2030 and 2,563 by 2050 (a decrease of about 12.6% from 2020), with the share of residents aged 65+ rising from 14.1% to 20.8%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020年

(实际)

2,932人

2030年

(预测)

2,721人

▼ -7.2%

2040年

(预测)

2,638人

▼ -10.0%

2050年

(预测)

2,563人

▼ -12.6%

老龄化率（65岁以上）: 2020年 14.1%→2050年 20.8%

Tokyo (東京都)的其他市区町村

Tokyo 23 Wards特別区部Chiyoda千代田区Chuuou中央区Minato港区Shinjuku新宿区Bunkyou文京区Taitou台東区Sumida墨田区Koutou江東区Shinagawa品川区Meguro目黒区Oota大田区Setagaya世田谷区Shibuya渋谷区Nakano中野区Suginami杉並区Toshima豊島区Kita北区Arakawa荒川区Itabashi板橋区
查看Tokyo (東京都)的所有市区町村 →

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。

Ogasawara Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
20202,932—Census
20252,828▼ -3.5%Projection
20302,721▼ -7.2%Projection
20352,668▼ -9.0%Projection
20402,638▼ -10.0%Projection
20452,612▼ -10.9%Projection
20502,563▼ -12.6%Projection

About Ogasawara

Overview

Ogasawara (小笠原村) is a municipality in Tokyo, Japan, with a population of 2,932 as of 2020.

Population Projection of Ogasawara

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ogasawara's population is expected to reach 2,721 by 2030 (-7.2%), 2,638 by 2040 (-10.0%), and 2,563 by 2050 (-12.6%). A modest population change is expected.

Aging Rate of Ogasawara

The aging rate (percentage of residents aged 65 and over) is 14.1% as of 2020 and is projected to rise to 20.8% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

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

National and Prefectural Rank

  • Population decline rate: Ranked #1551 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #1901 out of 1916 nationwide.
  • Population size: Ranked #1759 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Tokyo

Frequently Asked Questions

Q.What is the current population of Ogasawara, Tokyo?
A.According to the 2020 national census, Ogasawara has a population of 2,932.
Q.What is the population of Ogasawara in 2026?
A.Ogasawara's population in 2026 is estimated at approximately 2,807. This is an interpolated reference value between the 2020 census (2,932) and the IPSS projection for 2030 (2,721).
Q.What is the projected population of Ogasawara in the future?
A.According to IPSS projections, Ogasawara's population is expected to be 2,721 in 2030, 2,638 in 2040, and 2,563 in 2050.
Q.What is the population decline rate of Ogasawara?
A.Over the 30 years from 2020 to 2050, Ogasawara's population is projected to change by -12.6%. The 10-year change is -7.2% and the 20-year change is -10.0%.
Q.Why is the population of Ogasawara 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 Ogasawara, the share of residents aged 65+ is projected to rise from 14.1% to 20.8% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Ogasawara?
A.Ogasawara's aging rate (percentage aged 65 and over) is 14.1% as of 2020, projected to rise to 20.8% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

Similar-Sized Municipalities in Tokyo

Niijima新島村
2,441▼ -36.1%
Miyakejimamiyake三宅村
2,274▼ -29.1%
Hinohara檜原村
2,003▼ -48.2%
Kouzushima神津島村
1,857▼ -19.9%
Okutama奥多摩町
4,752▼ -44.0%
Toshima利島村
327▼ -21.7%
Mikurajima御蔵島村
323▲ +1.2%
Aogashima青ヶ島村
169▼ -13.6%
View all 63 municipalities in Tokyo →

Municipalities with Similar Trends

Aomori Oowani大鰐町
▼ -58.0%
Gifu Hichisou七宗町
▼ -58.1%
Akita Gojoume五城目町
▼ -58.2%
Gifu Shirakawa白川町
▼ -58.2%
Miyagi Minamisanriku南三陸町
▼ -58.3%
Fukushima Samegawa鮫川村
▼ -58.3%

Share this page

XLINEFacebook