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Ireland Population and Religion Percentage

Ireland, also known as the Republic of Ireland is a country in north-western Europe consisting of 26 of the 32 counties of the island of Ireland*. It shares its only land border with Northern Ireland which is part of the United Kingdom. According to the Central Statistics Office, Ireland, the population of Ireland in 2022 is 5,149,139 (5.1 million)

In April 2022, Ireland’s population surpassed five million for the first time in 171 years, reaching 5,149,139, an 8% increase since 2016. The average age rose to 38.8 years, and dual Irish citizenship grew by 63% to 170,597 people.

Estimated Population of Ireland in 2025: 5.3 million

*Island of Ireland is the second-largest island of the British Isles, the third-largest in Europe, and the twentieth-largest on Earth.

Ireland 2022 Population
Total Population5,149,139
Global Rank125
Land Area 68,883 sq. km (26,596 sq. mi)
Area Rank118
Pop. Density75 people/sq. km
Capital CityDublin
Fertility Rate1.60
Infant mortality rate 2.6
Median Age  38.8 Years
Life Expectancy 82.6 years
Urban Population62.1 %

 

Religion in Ireland

Ireland is a predominantly Christian country. Roman Catholic Church is the largest denomination and 78.30% of the people adhere to it. Next Comes the Church of Ireland (2.70%), Orthodox Christians (1.30%), and other Christians are at (1.60%)

Non-Christian faiths account for 4%, and the remaining 12.7% are classified as unaffiliated, which can mean agnostic, atheist, or “nothing in particular.”

Other religions include Islam (1.3%), Hinduism (0.29%), Buddhism (0.20%), and other smaller faiths.

Religions Percentage in Ireland 

ReligionPercentage
Christians 84%
– Catholic Church – 78.30%
– Church of Ireland – 2.70%
– Orthodox Christians – 1.30%
– Other Christians  – 1.60%
  
None /Unaffiliated10.10%
Islam 1.30%
Other religions 2.60%
Unspecified 2.60%

Source: Wikipedia

Largest Cities in Ireland by Population
#CityPopulation
1Dublin11,73,179
2Cork2,08,669
3Limerick94,192
4Galway79,934
5Waterford53,504
6Drogheda40,956
7Swords39,248
8Dundalk39,004
9Bray32,600
10Navan30,173
11Kilkenny26,512
12Ennis25,276
13Carlow24,272
14Tralee23,691
15Newbridge22,742
16Portlaoise22,050
17Balbriggan21,722
18Naas21,393
19Athlone21,349
20Mullingar20,928

Sources:

UN World Population Prospects 

Central Statistics Office

PEW Research center

Population of Ireland 2025 | Religion in Ireland

Rajeev Rana

Rajeev Rana loves reading about history and demography and has been writing on these topics for five years. While not a certified expert, he has a deep understanding of demography in India. Rajeev contributes to several websites and has extensive knowledge of the Delhi NCR area.