Oita大分県
Saiki 佐伯市
Data last updated:
2020
(Census)
66,908
2030
(Projection)
55,139
▼ -17.6%
2040
(Projection)
44,869
▼ -32.9%
2050
(Projection)
35,779
▼ -46.5%
Other municipalities in Oita (大分県)
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 Saiki
Overview
Saiki (佐伯市) is a municipality in Oita, Japan, with a population of 66,908 as of 2020.
Population Projection
According to projections by Japan's National Institute of Population and Social Security Research (IPSS), Saiki's population is expected to reach 55,139 by 2030 (-17.6%), 44,869 by 2040 (-32.9%), and 35,779 by 2050 (-46.5%). A significant population decline is projected over the next three decades.
Aging Outlook
The aging rate (percentage of residents aged 65 and over) is 41.2% as of 2020 and is projected to rise to 52.7% by 2050. More than half of residents will be seniors, placing the town in the "marginal municipality" category.
National Comparison
Saiki is experiencing one of the faster rates of population decline in Japan.