Nagasaki長崎県
Saza 佐々町
Data last updated:
Saza, Nagasaki, Japan has a population of 13,691 (2025 national census). IPSS projections estimate 13,400 by 2030 and 11,017 by 2050 (a decrease of about 20.8% from 2020), with the share of residents aged 65+ rising from 28.2% in 2020 to 37.5%.Sources: Japan Census (Statistics Bureau), IPSS Regional Population Projections (2023)
2025년
(실적)
13,691명
2030년
(추계)
13,400명
▼ -3.7%
2040년
(추계)
12,184명
▼ -12.4%
2050년
(추계)
11,017명
▼ -20.8%
Change vs. 2020 census
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Nagasaki (長崎県)의 다른 시구정촌
데이터 출처
- 일본 정부 통계 종합 포털(e-Stat)（https://www.e-stat.go.jp/）
- 국립사회보장・인구문제연구소 「일본의 지역별 장래추계인구(레이와 5년 추계)」
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Saza Population Table (1980–2050)
Population by year: national census results (restated to current municipal boundaries) and IPSS (2023) projections based on the 2020 census.
| Year | Population | vs 2020 | Type |
|---|---|---|---|
| 1980 | 11,812 | ▼ -15.1% | Census |
| 1985 | 12,212 | ▼ -12.2% | Census |
| 1990 | 12,068 | ▼ -13.3% | Census |
| 1995 | 12,695 | ▼ -8.7% | Census |
| 2000 | 13,335 | ▼ -4.1% | Census |
| 2005 | 13,697 | ▼ -1.5% | Census |
| 2010 | 13,599 | ▼ -2.2% | Census |
| 2015 | 13,626 | ▼ -2.1% | Census |
| 2020 | 13,912 | — | Census |
| 2025 | 13,691 | ▼ -1.6% | Census |
| 2030 | 13,400 | ▼ -3.7% | Projection |
| 2035 | 12,802 | ▼ -8.0% | Projection |
| 2040 | 12,184 | ▼ -12.4% | Projection |
| 2045 | 11,599 | ▼ -16.6% | Projection |
| 2050 | 11,017 | ▼ -20.8% | Projection |
About Saza
Overview
Saza (佐々町) is a municipality in Nagasaki, Japan, with a population of 13,691 as of 2025.
Population Projection of Saza
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Saza's population is expected to reach 13,400 by 2030 (-3.7%), 12,184 by 2040 (-12.4%), and 11,017 by 2050 (-20.8%). A significant population decline is projected over the next three decades.
Aging Rate of Saza
The aging rate (percentage of residents aged 65 and over) is 28.2% as of 2020 and is projected to rise to 37.5% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Saza's population decline rate exceeds the national average.
National and Prefectural Rank
- Population decline rate: Ranked #1332 out of 1903 municipalities nationwide.
- Aging rate in 2050: Ranked #1442 out of 1903 nationwide.
- Population size: Ranked #1227 out of 1917 nationwide.
- Related: National rankings / All municipalities in Nagasaki
Nagasaki (長崎県)의 소득 수준: Nagasaki (長崎県)의 평균 연봉(연령·성별·기업 규모별)jpsalary / 후생노동성 임금구조 기본통계조사