Ireland vs Mongolia: Number of children under 15, by world region

Ireland
988,244 people
in 2023
Mongolia
1.12 million people
in 2023
Ireland rank
122nd
Mongolia rank
119th

Number of children under 15, by world region over time

  • Ireland
  • Mongolia
200.0k400.0k600.0k800.0k1.0M1.2M195019862023

How they compare

Mongolia currently reports 1.12 million people against 988,244 people in Ireland, a difference of 131,856 people.

That makes Mongolia's figure about 1.1 times Ireland's.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Ireland ahead.

Ireland ranks 122nd and Mongolia ranks 119th of 236 countries.

Across the 8 decades both report, Ireland averaged higher in 6 and Mongolia in 2.

Head to head by decade

Decade Ireland Mongolia Difference Ahead
1950s 851,971 people 297,761 people 554,210 people Ireland
1960s 890,134 people 470,172 people 419,962 people Ireland
1970s 979,371 people 665,508 people 313,864 people Ireland
1980s 1.02 million people 808,878 people 214,863 people Ireland
1990s 886,373 people 901,883 people 15,510 people Mongolia
2000s 864,517 people 786,210 people 78,308 people Ireland
2010s 995,194 people 876,678 people 118,517 people Ireland
2020s 994,983 people 1.10 million people 107,835 people Mongolia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of children under 15, by world region, Ireland or Mongolia?
Mongolia, at 1.12 million people against 988,244 people in Ireland as of 2023.
What is the difference in number of children under 15, by world region between Ireland and Mongolia?
131,856 people, with Mongolia ahead.
How many years of comparable data are there for Ireland and Mongolia?
74 years are reported by both, from 1950 to 2023.
How do Ireland and Mongolia rank globally for number of children under 15, by world region?
Ireland ranks 122nd and Mongolia ranks 119th of 236 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as Number of children under 15, by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Ireland vs Mongolia: Number of children under 15, by world region. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 25 September 2026, from https://population.statizoid.com/compare/population-younger-than-15-with-projections/ireland/mongolia/

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About this data

Indicator
Number of children under 15, by world region
Unit
people
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Total population, measured on 1 July of the year shown. This only includes people aged 0-14.