Which has higher population in largest city, Costa Rica or Mauritania?

Mauritania, at 1.61 million against 1.50 million in Costa Rica as of 2025.

What is the difference in population in largest city between Costa Rica and Mauritania?

110,300, with Mauritania ahead.

How many years of comparable data are there for Costa Rica and Mauritania?

66 years are reported by both, from 1960 to 2025.

Where does this data come from?

World Urbanization Prospects 2018, United Nations (UN), published as Population in largest city. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Costa Rica vs Mauritania: Population in largest city

Costa Rica

1.50 million

in 2025

Mauritania

1.61 million

in 2025

Costa Rica rank

104th

Mauritania rank

102nd

Population in largest city over time

Costa Rica
Mauritania

How they compare

Mauritania currently reports 1.61 million against 1.50 million in Costa Rica, a difference of 110,300.

That makes Mauritania's figure about 1.1 times Costa Rica's.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was Costa Rica ahead.

Costa Rica ranks 104th and Mauritania ranks 102nd of 153 countries.

Across the 7 decades both report, Costa Rica averaged higher in 6 and Mauritania in 1.

Head to head by decade

Decade	Costa Rica	Mauritania	Difference	Ahead
1960s	282,884	14,479	268,405	Costa Rica
1970s	432,413	99,937	332,475	Costa Rica
1980s	618,489	297,066	321,423	Costa Rica
1990s	863,912	475,986	387,926	Costa Rica
2000s	1.11 million	674,854	431,486	Costa Rica
2010s	1.29 million	1.04 million	245,378	Costa Rica
2020s	1.45 million	1.46 million	11,150	Mauritania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population in largest city, Costa Rica or Mauritania?: Mauritania, at 1.61 million against 1.50 million in Costa Rica as of 2025.
What is the difference in population in largest city between Costa Rica and Mauritania?: 110,300, with Mauritania ahead.
How many years of comparable data are there for Costa Rica and Mauritania?: 66 years are reported by both, from 1960 to 2025.
How do Costa Rica and Mauritania rank globally for population in largest city?: Costa Rica ranks 104th and Mauritania ranks 102nd of 153 countries.
Where does this data come from?: World Urbanization Prospects 2018, United Nations (UN), published as Population in largest city. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Costa Rica vs Mauritania: Population in largest city. Statizoid, drawing on World Urbanization Prospects 2018, United Nations (UN). Retrieved 26 August 2026, from https://urban.statizoid.com/compare/population-in-largest-city/costa-rica/mauritania/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://urban.statizoid.com/compare/population-in-largest-city/costa-rica/mauritania/">Costa Rica vs Mauritania: Population in largest city</a> — Statizoid

About this data

Indicator: Population in largest city
Source: World Urbanization Prospects 2018, United Nations (UN)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 153 places, 10,098 data points, 1960–2025
Last refreshed: 20 August 2026

Population in largest city is the urban population living in the country's largest metropolitan area.