About Saiki
Saiki is a city in Oita, Japan, with a population of about 66,851 inhabitants. About 40.9% of residents are aged 65 or over and the median age is 58.9. The average taxable income is about 280.5万 yen per taxpayer (2023). The population density is about 74/km² (ranked #482 of 531 covered cities), the home-ownership rate is 60.2% and the city counts 8 hospitals. Since 1980, the population has declined by 30.7% (-7.4% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Saiki to major Japanese cities, nearby towns and the local climate.
Saiki — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Saiki — population dynamics & households
In 2024, Saiki recorded 232 births and 1,285 deaths (natural change -1,053), with 1,325 people moving in and 1,621 moving out (net migration -296).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Saiki — official land prices 2026
The 2026 official land price survey lists 7 standard points in Saiki: residential land averages 35,400 yen/m² (median 35,400, highest 44,500), commercial land averages 40,433 yen/m², with an average change of -0.80 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Saiki
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Saiki.
Train stations near Saiki
Closest railway stations.
Frequently asked questions
Saiki population?
About 66,851 inhabitants (2020 census).
Population density of Saiki?
About 74 inhabitants/km² (area 903.1 km²).
Average rent in Saiki?
About 1,658 yen per tatami per month (2018 Housing and Land Survey).
Distance from Saiki to Tokyo?
About 778 km in a straight line.