Japan vs Portugal: Population density of the capital city
Japan
5,166 people per km²
in 2100
Portugal
5,098 people per km²
in 2100
Japan rank
106th
Portugal rank
108th
Population density of the capital city over time
- Japan
- Portugal
How they compare
Japan currently reports 5,166 people per km² against 5,098 people per km² in Portugal, a difference of 68 people per km².
Across all 17 years both countries report, Japan has been ahead every year.
Japan ranks 106th and Portugal ranks 108th of 191 countries.
Japan has averaged higher in every one of the 9 decades both report.
Head to head by decade
| Decade | Japan | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 2020s | 6,521 people per km² | 5,002 people per km² | 1,519 people per km² | Japan |
| 2030s | 6,375 people per km² | 5,086 people per km² | 1,290 people per km² | Japan |
| 2040s | 6,210 people per km² | 5,196 people per km² | 1,015 people per km² | Japan |
| 2050s | 6,030 people per km² | 5,188 people per km² | 841.65 people per km² | Japan |
| 2060s | 5,828 people per km² | 5,146 people per km² | 681.35 people per km² | Japan |
| 2070s | 5,604 people per km² | 5,118 people per km² | 486.25 people per km² | Japan |
| 2080s | 5,403 people per km² | 5,112 people per km² | 291.62 people per km² | Japan |
| 2090s | 5,256 people per km² | 5,125 people per km² | 130.52 people per km² | Japan |
| 2100s | 5,166 people per km² | 5,098 people per km² | 67.86 people per km² | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population density of the capital city, Japan or Portugal?
- Japan, at 5,166 people per km² against 5,098 people per km² in Portugal as of 2100.
- What is the difference in population density of the capital city between Japan and Portugal?
- 68 people per km², with Japan ahead.
- How many years of comparable data are there for Japan and Portugal?
- 17 years are reported by both, from 2020 to 2100.
- How do Japan and Portugal rank globally for population density of the capital city?
- Japan ranks 106th and Portugal ranks 108th of 191 countries.
- Where does this data come from?
- European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data, published as Population density of the capital city. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Projected number of people per km² of land area in the country's capital city. City boundaries are defined using a consistent global approach based on satellite imagery and population data.