This reference page collects population of japan in one place: population 124,516,650; surface area 377,974 km2; density 329.4 /km2; capital Tokyo. Figures are refreshed automatically by a scheduled build and cached locally so the page keeps its values even when the upstream API is temporarily unavailable. Use the table below for exact numbers, or the related pages for the same dataset for neighbouring periods and locations.
Population 124,516,650
Surface area 377,974 km2
Density 329.4 /km2
Capital Tokyo
Income group High income
Data year 2023
How the Japan population figure is derived
Population and land area come from the same World Bank release, so the density of 329.4 people per km2 is internally consistent. Cross-check against the country ranking table to see where Japan sits.
Frequently asked questions
Where does the data on population of japan come from?
From a public open API that is queried automatically and cached after every successful run.
How often is population of japan updated?
The build runs on a schedule, so values refresh at least daily and old pages stay live.