日本人口减少模拟器

Chiba千葉県

Ichihara 市原市

Data last updated:

2020年

(实际)

269,653人

2030年

(预测)

250,863人

▼ -7.0%

2040年

(预测)

229,289人

▼ -15.0%

2050年

(预测)

207,507人

▼ -23.0%

老龄化率（65岁以上）: 2020年 29.7%→2050年 39%

Chiba (千葉県)的其他市区町村

Chiba千葉市Chuuou千葉市中央区Hanamigawa千葉市花見川区Inage千葉市稲毛区Wakaba千葉市若葉区Midori千葉市緑区Mihama千葉市美浜区Choushi銚子市Ichikawa市川市Funabashi船橋市Tateyama館山市Kisarazu木更津市Matsudo松戸市Noda野田市Mobara茂原市Narita成田市Sakura佐倉市Tougane東金市Asahi旭市Narashino習志野市
查看Chiba (千葉県)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。

About Ichihara

Overview

Ichihara (市原市) is a municipality in Chiba, Japan, with a population of 269,653 as of 2020.

Population Projection

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Ichihara's population is expected to reach 250,863 by 2030 (-7.0%), 229,289 by 2040 (-15.0%), and 207,507 by 2050 (-23.0%). A significant population decline is projected over the next three decades.

Aging Outlook

The aging rate (percentage of residents aged 65 and over) is 29.7% as of 2020 and is projected to rise to 39.0% by 2050. The aging rate will remain below the most severe Japanese averages.

National Comparison

Ichihara's population decline rate exceeds the national average.

Frequently Asked Questions

Q.What is the current population of Ichihara, Chiba?
A.According to the 2020 national census, Ichihara has a population of 269,653.
Q.What is the projected population of Ichihara in the future?
A.According to IPSS projections, Ichihara's population is expected to be 250,863 in 2030, 229,289 in 2040, and 207,507 in 2050.
Q.What is the population decline rate of Ichihara?
A.Over the 30 years from 2020 to 2050, Ichihara's population is projected to change by -23.0%. The 10-year change is -7.0% and the 20-year change is -15.0%.
Q.What is the aging rate of Ichihara?
A.Ichihara's aging rate (percentage aged 65 and over) is 29.7% as of 2020, projected to rise to 39.0% 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 the 2020 national census results. Future projections use the IPSS 2023 edition. Data will be updated as new census results become available.

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%

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