日本人口减少模拟器

Nagasaki長崎県

Nagasaki 長崎市

Data last updated:

Nagasaki, Nagasaki, Japan has a population of 382,393 (2025 national census). IPSS projections estimate 362,388 by 2030 and 280,138 by 2050 (a decrease of about 31.5% from 2020), with the share of residents aged 65+ rising from 32.7% in 2020 to 42.4%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)

2025年

(实际)

382,393人

2030年

(预测)

362,388人

▼ -11.4%

2040年

(预测)

321,182人

▼ -21.5%

2050年

(预测)

280,138人

▼ -31.5%

Change vs. 2020 census

老龄化率(65岁以上): 2020年 32.7%→2050年 42.4%

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岁

Nagasaki (長崎県)的其他市区町村

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。

Nagasaki 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
1980502,799▲ +22.9%Census
1985505,566▲ +23.6%Census
1990494,032▲ +20.8%Census
1995487,063▲ +19.1%Census
2000470,135▲ +14.9%Census
2005455,206▲ +11.3%Census
2010443,766▲ +8.5%Census
2015429,508▲ +5.0%Census
2020409,118—Census
2025382,393▼ -6.5%Census
2030362,388▼ -11.4%Projection
2035342,057▼ -16.4%Projection
2040321,182▼ -21.5%Projection
2045300,255▼ -26.6%Projection
2050280,138▼ -31.5%Projection

About Nagasaki

Overview

Nagasaki (長崎市) is a municipality in Nagasaki, Japan, with a population of 382,393 as of 2025.

Population Projection of Nagasaki

According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Nagasaki's population is expected to reach 362,388 by 2030 (-11.4%), 321,182 by 2040 (-21.5%), and 280,138 by 2050 (-31.5%). A significant population decline is projected over the next three decades.

Aging Rate of Nagasaki

The aging rate (percentage of residents aged 65 and over) is 32.7% as of 2020 and is projected to rise to 42.4% by 2050. Over 40% of residents will be elderly, significantly affecting healthcare and social services needs.

National Comparison

Nagasaki's population decline rate exceeds the national average.

National and Prefectural Rank

  • Population decline rate: Ranked #1013 out of 1903 municipalities nationwide.
  • Aging rate in 2050: Ranked #1067 out of 1903 nationwide.
  • Population size: Ranked #59 out of 1917 nationwide.
  • Related: National rankings / All municipalities in Nagasaki

Nagasaki (長崎県)的收入水平: Nagasaki (長崎県)的平均年收入(按年龄、性别、企业规模)jpsalary / 厚生劳动省 工资结构基本统计调查

Frequently Asked Questions

Q.What is the current population of Nagasaki, Nagasaki?
A.According to the 2025 national census, Nagasaki has a population of 382,393.
Q.What is the population of Nagasaki in 2026?
A.Nagasaki's population in 2026 is estimated at approximately 378,392. This is an interpolated reference value between the 2025 census (382,393) and the IPSS projection for 2030 (362,388).
Q.What is the projected population of Nagasaki in the future?
A.According to IPSS projections, Nagasaki's population is expected to be 362,388 in 2030, 321,182 in 2040, and 280,138 in 2050.
Q.What is the population decline rate of Nagasaki?
A.Over the 30 years from 2020 to 2050, Nagasaki's population is projected to change by -31.5%. The 10-year change is -11.4% and the 20-year change is -21.5%.
Q.Why is the population of Nagasaki 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 Nagasaki, the share of residents aged 65+ is projected to rise from 32.7% to 42.4% by 2050, which further accelerates natural decrease.
Q.What is the aging rate of Nagasaki?
A.Nagasaki's aging rate (percentage aged 65 and over) is 32.7% as of 2020, projected to rise to 42.4% 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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