About Aki
Aki is a city in Kochi, Japan, with a population of about 16,243 inhabitants. About 40.9% of residents are aged 65 or over and the median age is 58.9. The average taxable income is about 259.2万 yen per taxpayer (2023). The population density is about 51/km² (ranked #506 of 531 covered cities), the home-ownership rate is 52.5% and the city counts 2 hospitals. Since 1980, the population has declined by 35.1% (-7.6% between 2015 and 2020). On this page you can find driving distances, travel time and routes from Aki to major Japanese cities, nearby towns and the local climate.
Aki — key statistics
Source: e-Stat — Statistics Bureau of Japan (census, housing & land survey, medical facilities & school surveys, municipal finance)
Aki — population dynamics & households
In 2024, Aki recorded 61 births and 320 deaths (natural change -259), with 428 people moving in and 509 moving out (net migration -81).
Source: e-Stat — System of Social and Demographic Statistics (vital statistics, migration report, census)
Aki — official land prices 2026
The 2026 official land price survey lists 4 standard points in Aki, with an average change of -1.58 % over one year.
Source: MLIT — National Land Numerical Information, Official Land Price (L01) 2026
Distances from Aki
Straight-line distance — click for the full driving route, time and fuel cost.
Nearby cities
Closest towns and cities around Aki.
Train stations near Aki
Closest railway stations.
Frequently asked questions
Aki population?
About 16,243 inhabitants (2020 census).
Population density of Aki?
About 51 inhabitants/km² (area 317.2 km²).
Average rent in Aki?
About 1,643 yen per tatami per month (2018 Housing and Land Survey).
Distance from Aki to Tokyo?
About 584 km in a straight line.