Nagano長野県
Saku 佐久市
Data last updated:
2020
(Census)
98,300
2030
(Projection)
94,660
▼ -3.7%
2040
(Projection)
90,517
▼ -7.9%
2050
(Projection)
85,580
▼ -12.9%
Other municipalities in Nagano (長野県)
Data Sources
- Portal Site of Official Statistics of Japan (e-Stat)（https://www.e-stat.go.jp/）
- National Institute of Population and Social Security Research (IPSS), Regional Population Projections (2023 ed.)
* This service uses the e-Stat API but its content is not guaranteed by the Japanese government.
About Saku
Overview
Saku (佐久市) is a municipality in Nagano, Japan, with a population of 98,300 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Saku's population is expected to reach 94,660 by 2030 (-3.7%), 90,517 by 2040 (-7.9%), and 85,580 by 2050 (-12.9%). A modest population change is expected.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 30.9% as of 2020 and is projected to rise to 39.2% by 2050. The aging rate will remain below the most severe Japanese averages.
National Comparison
Saku's demographic trajectory is similar to the national average.