Population Pyramids of the World from 1950 to 2100

Ireland Population Pyramid 2005

Ireland
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2005
Population: 4,155,284

Year

-5 -1   2005  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z
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Summary

Ireland in 2005

The population of Ireland in 2005 was 4,155,284. That is 15.1% more than in 1995, when the population stood at 3,610,697.

Half of the population was younger than 33.4 years; 20.6% were children under 15 and 11.0% were 65 or older. The pyramid is stationary: cohort sizes are roughly even through the younger ages, reflecting fertility close to replacement level and slow population change.

Ranks #122 of 201 by population Ranks #57 of 201 by median age Ranks #106 of 201 by growth

Share of the population by age group, 1950–2100

Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.

Key indicators for Ireland
Population
4,155,284
Median age
33.4
0-14 %
20.6%
65+ %
11.0%
Child dependency
30.1
Old-age dependency
16.1
Region
EUROPE
Pyramid shape
Stationary
Population 2050
5,970,042
Population 2100
5,286,120
What is driving the change
Births per woman
Total fertility rate, 1960–2023
12345
1960Replacement level (2.1)2023 · 1.5

The fertility rate of Ireland was 1.50 births per woman in 2023, under the 2.1 needed to replace each generation.

Source: World Bank World Development Indicators, latest available year.

Life expectancy at birth
Years, 1960–2023
Total Women Men
60708090
19602023 · 82.9

Life expectancy at birth was 82.9 years in 2023: 84.5 for women and 81.3 for men.

Source: World Bank World Development Indicators, latest available year.

People supported per 100 workers
Dependency ratios, 1950–2100
Children Older adults
18355270
19502100
Migration to and from Ireland
Where immigrants come from (2024)

1,034,444 immigrants live in Ireland, 19.7% of the population.

United Kingdom293,559
Ukraine125,016
Poland102,708
India70,228
Brazil48,605
Where emigrants live (2024)

712,129 people born in Ireland live in other countries.

United Kingdom360,446
United States of America125,844
Australia90,203
Poland34,300
Canada28,912
Explore
Immigration statistics Origin of migrant stocks map

Source: United Nations International Migrant Stock 2024.

How Ireland compares with its neighbours
Country Population Median age Relative size
Ireland 4,155,284 33.4
Norway 4,623,124 37.9
Lithuania 3,322,263 38.5
Finland 5,246,082 40.9
Denmark 5,419,555 39.5
Frequently asked questions about Ireland's population
How many people lived in Ireland in 2005?
Ireland had a population of 4,155,284 in 2005.
Is the population of Ireland increasing or decreasing?
Ireland's population grew 15.1% over the previous ten years, and is projected to reach 5,970,042 by 2050.
What is the median age in Ireland?
The median age in Ireland is 33.4 years — half the population is younger, half older.
What share of Ireland's population is over 65 or under 15?
In Ireland, 20.6% of people are under 15 and 11.0% are 65 or older.
What type of population pyramid does Ireland have?
Ireland's pyramid is stationary — similar-sized cohorts through the younger ages, the signature of near-replacement fertility.

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