Guam vs Puerto Rico: Population density of the capital city

Guam
1,755 people per km²
in 2100
Puerto Rico
1,711 people per km²
in 2100
Guam rank
189th
Puerto Rico rank
190th

Population density of the capital city over time

  • Guam
  • Puerto Rico
01.0k2.0k3.0k202020602100

How they compare

Guam currently reports 1,755 people per km² against 1,711 people per km² in Puerto Rico, a difference of 44 people per km².

The two have swapped places 1 time across 6 shared years of data; in 2075 it was Puerto Rico ahead.

Guam ranks 189th and Puerto Rico ranks 190th of 191 countries.

Across the 4 decades both report, Guam averaged higher in 1 and Puerto Rico in 3.

Head to head by decade

Decade Guam Puerto Rico Difference Ahead
2070s 1,747 people per km² 1,922 people per km² 174.43 people per km² Puerto Rico
2080s 1,761 people per km² 1,820 people per km² 59.32 people per km² Puerto Rico
2090s 1,765 people per km² 1,823 people per km² 58.77 people per km² Puerto Rico
2100s 1,755 people per km² 1,711 people per km² 44.1 people per km² Guam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population density of the capital city, Guam or Puerto Rico?
Guam, at 1,755 people per km² against 1,711 people per km² in Puerto Rico as of 2100.
What is the difference in population density of the capital city between Guam and Puerto Rico?
44 people per km², with Guam ahead.
How many years of comparable data are there for Guam and Puerto Rico?
6 years are reported by both, from 2075 to 2100.
How do Guam and Puerto Rico rank globally for population density of the capital city?
Guam ranks 189th and Puerto Rico ranks 190th 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.

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Guam vs Puerto Rico: Population density of the capital city. Statizoid, drawing on European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data. Retrieved 08 September 2026, from https://population.statizoid.com/compare/population-density-of-the-capital-city/guam/puerto-rico-us/

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About this data

Indicator
Population density of the capital city
Unit
people per km²
Source
European Commission, Joint Research Centre (JRC) (2025) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
191 places, 3,183 data points, 2020–2100
Last refreshed

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.