日本人口减少模拟器

Hiroshima広島県

Sera 世羅町

Data last updated:

Sera, Hiroshima, Japan has a population of 15,143 (2020 national census). IPSS projections estimate 12,738 by 2030 and 8,767 by 2050 (a decrease of about 42.1% from 2020), with the share of residents aged 65+ rising from 42.6% to 49.0%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2020年

(实际)

15,143人

2030年

(预测)

12,738人

▼ -15.9%

2040年

(预测)

10,664人

▼ -29.6%

2050年

(预测)

8,767人

▼ -42.1%

老龄化率（65岁以上）: 2020年 42.6%→2050年 49%

Hiroshima (広島県)的其他市区町村

Hiroshima広島市Mashinaka広島市中区Mashihigashi広島市東区Mashiminami広島市南区Mashinishi広島市西区Mashiasaminami広島市安佐南区Mashiasakita広島市安佐北区Mashiaki広島市安芸区Mashisaeki広島市佐伯区Kure呉市Takehara竹原市Mihara三原市Onomichi尾道市Fukuyama福山市Fuchuu府中市Miyoshi三次市Shoubara庄原市Ootake大竹市Higashihiroshima東広島市Hatsukaichi廿日市市
查看Hiroshima (広島県)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。

Sera Population Projection Table (2020–2050)

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

YearPopulationvs 2020Type
202015,143—Census
202513,914▼ -8.1%Projection
203012,738▼ -15.9%Projection
203511,668▼ -22.9%Projection
204010,664▼ -29.6%Projection
20459,686▼ -36.0%Projection
20508,767▼ -42.1%Projection

About Sera

Overview

Sera (世羅町) is a municipality in Hiroshima, Japan, with a population of 15,143 as of 2020.

Population Projection of Sera

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Sera's population is expected to reach 12,738 by 2030 (-15.9%), 10,664 by 2040 (-29.6%), and 8,767 by 2050 (-42.1%). A significant population decline is projected over the next three decades.

Aging Rate of Sera

The aging rate (percentage of residents aged 65 and over) is 42.6% as of 2020 and is projected to rise to 49.0% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Sera is experiencing one of the faster rates of population decline in Japan.

National and Prefectural Rank

  • Population decline rate: Ranked #654 out of 1916 municipalities nationwide.
  • Aging rate in 2050: Ranked #629 out of 1916 nationwide.
  • Population size: Ranked #1218 out of 1916 nationwide.
  • Related: National rankings / All municipalities in Hiroshima

Frequently Asked Questions

Q.What is the current population of Sera, Hiroshima?
A.According to the 2020 national census, Sera has a population of 15,143.
Q.What is the population of Sera in 2026?
A.Sera's population in 2026 is estimated at approximately 13,679. This is an interpolated reference value between the 2020 census (15,143) and the IPSS projection for 2030 (12,738).
Q.What is the projected population of Sera in the future?
A.According to IPSS projections, Sera's population is expected to be 12,738 in 2030, 10,664 in 2040, and 8,767 in 2050.
Q.What is the population decline rate of Sera?
A.Over the 30 years from 2020 to 2050, Sera's population is projected to change by -42.1%. The 10-year change is -15.9% and the 20-year change is -29.6%.
Q.Why is the population of Sera 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 Sera, the share of residents aged 65+ is projected to rise from 42.6% to 49.0% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Sera?
A.Sera's aging rate (percentage aged 65 and over) is 42.6% as of 2020, projected to rise to 49.0% 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.

Similar-Sized Municipalities in Hiroshima

Saka坂町
12,592▼ -21.9%
Kitahiroshima北広島町
17,778▼ -34.9%
Etajima江田島市
21,937▼ -53.4%
Jinsekikougen神石高原町
8,259▼ -53.8%
Kumano熊野町
22,844▼ -34.9%
Oosakikamijima大崎上島町
7,161▼ -45.5%
Takehara竹原市
24,017▼ -51.6%
Akioota安芸太田町
5,744▼ -54.9%
View all 31 municipalities in Hiroshima →

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