Costa Rica vs Ireland: Population

Costa Rica

5.11 million people

in 2023

Ireland

5.20 million people

in 2023

Costa Rica rank

125th

Ireland rank

122nd

Population over time

Ireland currently reports 5.20 million people against 5.11 million people in Costa Rica, a difference of 91,100 people.

The two have swapped places 4 times across 74 shared years of data; in 1950 it was Ireland ahead.

Costa Rica ranks 125th and Ireland ranks 122nd of 238 countries.

Indicator: Population
Unit: people
Source: HYDE (2023); Gapminder (2022); UN WPP (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 239 places, 51,002 data points, 1000–2023
Last refreshed: 07 August 2026

Population by country, available from 10,000 BCE to 2023, based on data and estimates from different sources.