Population Pyramids of the World from 1950 to 2100

Ireland Population Pyramid 1985

Ireland
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1985
Population: 3,531,270

Year

-5 -1   1985  +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 1985

In 1985, Ireland had a total population of 3,531,270 people. Over the previous ten years the population grew by 11.0%, up from 3,180,118 in 1975.

The median age was 27.3 years, and for every 100 people of working age (15–64) there were 48.8 children under 15 and 18.1 people aged 65 or over. The broad-based, expansive shape of the pyramid points to high fertility and strong population growth.

Ranks #116 of 201 by population Ranks #51 of 201 by median age Ranks #145 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
3,531,270
Median age
27.3
0-14 %
29.3%
65+ %
10.8%
Child dependency
48.8
Old-age dependency
18.1
Region
EUROPE
Pyramid shape
Expansive
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 3,531,271 27.3
Lithuania 3,562,389 32.1
Norway 4,152,400 34.6
Latvia 2,579,231 34.7
Finland 4,902,261 34.7
Frequently asked questions about Ireland's population
How many people lived in Ireland in 1985?
Ireland had a population of 3,531,270 in 1985.
Is the population of Ireland increasing or decreasing?
Yes, growing: up 11.0% from 1975, with a projected population of 5,970,042 in 2050.
What is the median age in Ireland?
The median age in Ireland is 27.3 years — half the population is younger, half older.
How many children and older people live in Ireland?
In Ireland, 29.3% of people are under 15 and 10.8% are 65 or older.
What shape is Ireland's population pyramid, and what does it mean?
Ireland has an expansive pyramid: a wide base of young cohorts reflecting high fertility and continued population growth.

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