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Population in Ireland compared to Mongolia: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Ireland was 5,395,790 in 2024 vs 3,524,788 people in Mongolia in 2024. In 2026, based on the adjusted UN estimation, the current Ireland's population is 5,518,360 people compared to 3,620,317 in Mongolia.

Population statistics:

  • Ireland's population is 1.52 times bigger than Mongolia's.
  • Ireland is ranked the 121st most populous country in the world, while Mongolia is the 132nd.
  • The countries together account for 0.11% of the world: 0.07% for Ireland vs 0.04% for Mongolia.
  • For the last 10 years, Ireland has had an average growth rate of +1.41% per year vs +1.79% in Mongolia.
  • Since 2006, the population of Ireland has increased from 4.27M people to 5.52M (29.1% growth), while Mongolia has grown from 2.57M to 3.62M (41% growth).

Ireland vs Mongolia: population by year and forecast

Ireland
Factual

Projection
Mongolia
Factual

Projection
1x
Year Population
Ireland Mongolia
2100 5,468,791 5,629,299
2099 5,493,162 5,623,066
2098 5,516,999 5,615,212
2097 5,540,157 5,606,511
2096 5,562,811 5,597,140
2095 5,583,505 5,585,917
2094 5,603,538 5,574,522
2093 5,623,266 5,562,381
2092 5,642,437 5,549,290
2091 5,661,268 5,535,819
2090 5,680,076 5,521,210
2089 5,697,512 5,505,877
2088 5,714,108 5,490,024
2087 5,729,431 5,474,226
2086 5,743,405 5,458,465
2085 5,757,666 5,441,196
2084 5,771,610 5,423,740
2083 5,785,324 5,405,563
2082 5,798,037 5,387,443
2081 5,809,262 5,368,417
2080 5,821,598 5,348,645
2079 5,836,731 5,328,073
2078 5,851,937 5,306,120
2077 5,867,627 5,285,225
2076 5,883,876 5,263,067
2075 5,900,200 5,240,553
2074 5,917,659 5,217,755
2073 5,934,975 5,194,484
2072 5,952,211 5,171,399
2071 5,969,279 5,147,939
2070 5,986,770 5,123,730
2069 6,003,570 5,100,078
2068 6,019,937 5,075,923
2067 6,035,810 5,051,712
2066 6,051,604 5,026,451
2065 6,066,791 5,001,559
2064 6,081,606 4,977,095
2063 6,094,455 4,952,721
2062 6,106,325 4,928,284
2061 6,118,587 4,903,616
2060 6,131,482 4,877,808
2059 6,143,979 4,851,900
2058 6,153,447 4,825,704
2057 6,161,059 4,798,069
2056 6,164,047 4,770,106
2055 6,168,611 4,741,145
2054 6,169,455 4,710,703
2053 6,169,673 4,678,720
2052 6,167,591 4,645,641
2051 6,164,894 4,611,080
2050 6,159,756 4,575,698
2049 6,151,623 4,538,221
2048 6,140,272 4,499,652
2047 6,128,245 4,459,534
2046 6,115,454 4,418,220
2045 6,099,562 4,375,263
2044 6,081,384 4,332,061
2043 6,062,477 4,288,836
2042 6,041,683 4,244,827
2041 6,017,573 4,200,917
2040 5,992,311 4,157,409
2039 5,967,604 4,114,122
2038 5,940,474 4,071,754
2037 5,912,327 4,029,761
2036 5,884,159 3,988,994
2035 5,855,902 3,949,374
2034 5,825,178 3,910,459
2033 5,792,751 3,872,505
2032 5,757,842 3,835,471
2031 5,721,671 3,799,194
2030 5,684,420 3,762,550
2029 5,644,008 3,725,673
2028 5,600,083 3,687,959
2027 5,553,725 3,649,213
2026 5,505,248 3,609,604
2025 5,452,752 3,568,196
2024 5,395,790 3,524,788
2023 5,311,538 3,481,145
2022 5,212,836 3,433,748
2021 5,110,585 3,383,741
2020 5,039,747 3,327,204
2019 4,976,456 3,267,673
2018 4,898,022 3,208,189
2017 4,827,445 3,148,917
2016 4,762,722 3,088,856
2015 4,701,957 3,026,864
2014 4,657,740 2,963,113
2013 4,623,816 2,899,011
2012 4,599,533 2,839,705
2011 4,580,084 2,786,317
2010 4,560,155 2,738,622
2009 4,535,375 2,691,115
2008 4,489,544 2,643,201
2007 4,398,942 2,601,850
2006 4,273,591 2,567,168
2005 4,159,914 2,536,407
2004 4,070,262 2,508,412
2003 3,996,521 2,480,374
2002 3,931,947 2,449,027
2001 3,866,243 2,417,751
2000 3,805,174 2,388,299
1999 3,754,786 2,356,813
1998 3,712,696 2,323,809
1997 3,674,171 2,291,750
1996 3,637,510 2,259,507
1995 3,608,841 2,224,945
1994 3,590,386 2,189,395
1993 3,576,261 2,165,130
1992 3,558,430 2,167,790
1991 3,534,235 2,165,342
1990 3,513,974 2,098,710
1989 3,511,009 2,124,185
1988 3,524,949 2,076,322
1987 3,540,057 2,022,800
1986 3,539,690 1,970,965
1985 3,538,082 1,921,514
1984 3,532,423 1,874,349
1983 3,510,600 1,829,092
1982 3,485,800 1,785,364
1981 3,453,000 1,742,857
1980 3,412,800 1,701,335
1979 3,373,750 1,660,659
1978 3,329,100 1,619,468
1977 3,282,200 1,576,245
1976 3,238,050 1,531,945
1975 3,189,550 1,488,296
1974 3,137,500 1,446,050
1973 3,085,950 1,405,502
1972 3,036,850 1,366,821
1971 2,992,050 1,330,071
1970 2,957,250 1,295,272
1969 2,932,650 1,262,284
1968 2,915,550 1,229,930
1967 2,902,450 1,196,996
1966 2,888,800 1,163,754
1965 2,877,300 1,131,177
1964 2,866,550 1,100,234
1963 2,852,650 1,071,362
1962 2,836,050 1,041,444
1961 2,824,400 1,009,284
1960 2,828,600 977,595

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/ireland/mongolia | CC BY

From 2006 to 2016, the population of Ireland increased by 489,131 people (a 11.4% growth), while Mongolia gained 521,688 people (a 20.3% growth).

For the next 10 years, from 2016 to 2026, Ireland gained 755,638 people (a 15.9% growth), while Mongolia's population increased by 531,461 people (a 17.2% growth).

Ireland was ranked 121st most populous country in 2006 and is still 121st in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Ireland's population will grow by 11.6% to 6,159,756 people with a rank change from 121st to 119th. The population of Mongolia will increase by 26.4% to 4,575,698 people and rank change from 132nd to 130th.

Ireland is projected to reach its peak in 2053 at 6.17M people compared to the peak of 5.63M people in 2100 for Mongolia.

Population growth rate by year

Ireland
Factual

Projection
Mongolia
Factual

Projection
1x
Year Growth rate
Ireland Mongolia
2100 -0.44% 0.11%
2099 -0.43% 0.14%
2098 -0.42% 0.16%
2097 -0.41% 0.17%
2096 -0.37% 0.2%
2095 -0.36% 0.2%
2094 -0.35% 0.22%
2093 -0.34% 0.24%
2092 -0.33% 0.24%
2091 -0.33% 0.26%
2090 -0.31% 0.28%
2089 -0.29% 0.29%
2088 -0.27% 0.29%
2087 -0.24% 0.29%
2086 -0.25% 0.32%
2085 -0.24% 0.32%
2084 -0.24% 0.34%
2083 -0.22% 0.34%
2082 -0.19% 0.35%
2081 -0.21% 0.37%
2080 -0.26% 0.39%
2079 -0.26% 0.41%
2078 -0.27% 0.4%
2077 -0.28% 0.42%
2076 -0.28% 0.43%
2075 -0.3% 0.44%
2074 -0.29% 0.45%
2073 -0.29% 0.45%
2072 -0.29% 0.46%
2071 -0.29% 0.47%
2070 -0.28% 0.46%
2069 -0.27% 0.48%
2068 -0.26% 0.48%
2067 -0.26% 0.5%
2066 -0.25% 0.5%
2065 -0.24% 0.49%
2064 -0.21% 0.49%
2063 -0.19% 0.5%
2062 -0.2% 0.5%
2061 -0.21% 0.53%
2060 -0.2% 0.53%
2059 -0.15% 0.54%
2058 -0.12% 0.58%
2057 -0.05% 0.59%
2056 -0.07% 0.61%
2055 -0.01% 0.65%
2054 -0.004% 0.68%
2053 0.03% 0.71%
2052 0.04% 0.75%
2051 0.08% 0.77%
2050 0.13% 0.83%
2049 0.18% 0.86%
2048 0.2% 0.9%
2047 0.21% 0.94%
2046 0.26% 0.98%
2045 0.3% 1%
2044 0.31% 1.01%
2043 0.34% 1.04%
2042 0.4% 1.05%
2041 0.42% 1.05%
2040 0.41% 1.05%
2039 0.46% 1.04%
2038 0.48% 1.04%
2037 0.48% 1.02%
2036 0.48% 1%
2035 0.53% 1%
2034 0.56% 0.98%
2033 0.61% 0.97%
2032 0.63% 0.95%
2031 0.66% 0.97%
2030 0.72% 0.99%
2029 0.78% 1.02%
2028 0.83% 1.06%
2027 0.88% 1.1%
2026 0.96% 1.16%
2025 1.06% 1.23%
2024 1.59% 1.25%
2023 1.89% 1.38%
2022 2% 1.48%
2021 1.41% 1.7%
2020 1.27% 1.82%
2019 1.6% 1.85%
2018 1.46% 1.88%
2017 1.36% 1.94%
2016 1.29% 2.05%
2015 0.95% 2.15%
2014 0.73% 2.21%
2013 0.53% 2.09%
2012 0.42% 1.92%
2011 0.44% 1.74%
2010 0.55% 1.77%
2009 1.02% 1.81%
2008 2.06% 1.59%
2007 2.93% 1.35%
2006 2.73% 1.21%
2005 2.2% 1.12%
2004 1.85% 1.13%
2003 1.64% 1.28%
2002 1.7% 1.29%
2001 1.6% 1.23%
2000 1.34% 1.34%
1999 1.13% 1.42%
1998 1.05% 1.4%
1997 1.01% 1.43%
1996 0.79% 1.55%
1995 0.51% 1.62%
1994 0.39% 1.12%
1993 0.5% -0.12%
1992 0.68% 0.11%
1991 0.58% 3.17%
1990 0.08% -1.2%
1989 -0.4% 2.31%
1988 -0.43% 2.65%
1987 0.01% 2.63%
1986 0.05% 2.57%
1985 0.16% 2.52%
1984 0.62% 2.47%
1983 0.71% 2.45%
1982 0.95% 2.44%
1981 1.18% 2.44%
1980 1.16% 2.45%
1979 1.34% 2.54%
1978 1.43% 2.74%
1977 1.36% 2.89%
1976 1.52% 2.93%
1975 1.66% 2.92%
1974 1.67% 2.88%
1973 1.62% 2.83%
1972 1.5% 2.76%
1971 1.18% 2.69%
1970 0.84% 2.61%
1969 0.59% 2.63%
1968 0.45% 2.75%
1967 0.47% 2.86%
1966 0.4% 2.88%
1965 0.38% 2.81%
1964 0.49% 2.69%
1963 0.59% 2.87%
1962 0.41% 3.19%
1961 -0.15% 3.24%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/ireland/mongolia | CC BY

In 2024, the population of Ireland grew by 1.59%, while Mongolia's population grew by 1.25%.

Live population counters

Ireland Mongolia
Current population
5518360
3620317
Population rank 121/197 132/197
Percent of world population 0.07% 0.04%
One net population change
6.24 minutes
12 minutes
One birth every
9.61 minutes
7.95 minutes
One death every
15 minutes
27.5 minutes
Daily growth/decline +231 +120
Annual growth/decline +84,252 +43,643
Annual growth/decline rate +1.59% +1.25%
Population growth rate rank 68/197 86/197
One migration net change every
14.9 minutes
4.63 days
Annual migration change +35,417 +79
Net migration rank 27/196 74/196
Foreign-born residents 1,216,237 22,589
Foreign-born residents rank 52/195 169/195
Foreign-born share of population 23.1% 0.6%
Foreign-born share rank 25/195 171/195

Natural population change vs migration

Ireland
Natural

Migration
Mongolia
Natural

Migration
1x
Year Population change
Ireland Mongolia
Natural Migration Natural Migration
2025 - 35,417 - 79
2024 - 39,059 - 83
2023 19,652 43,873 46,995 0
2022 19,287 93,535 47,730 0
2021 26,064 27,419 52,109 0
2020 23,687 15,746 60,888 0
2019 28,365 29,663 61,433 8,660
2018 29,878 33,387 60,635 7,811
2017 31,379 28,883 57,940 6,831
2016 33,339 18,967 62,086 5,633
2015 35,265 13,376 64,473 4,307
2014 37,728 448 66,078 2,921
2013 39,302 -12,309 62,618 1,505
2012 42,775 -22,411 55,942 351
2011 45,801 -26,529 50,711 -505
2010 47,426 -26,974 44,914 -6,444
2009 47,168 -18,524 48,876 -15,007
2008 46,691 18,979 45,843 -17,277
2007 43,109 76,465 39,636 -15,220
2006 36,752 94,513 33,609 -11,934
2005 33,279 63,983 29,290 -8,924
2004 33,376 49,102 28,418 -8,148
2003 32,372 32,220 28,827 -7,986
2002 31,062 34,286 30,439 -8,934
2001 27,837 39,220 32,052 -10,244
2000 23,592 31,298 32,753 -11,241
1999 21,402 23,592 32,283 -13,481
1998 22,277 16,615 31,757 -10,315
1997 21,311 17,425 32,403 -9,132
1996 18,915 9,959 33,741 -8,626
1995 16,601 10,019 34,473 -7,346
1994 17,234 -3,118 34,711 -5,449
1993 17,166 -3,762 36,924 -5,429
1992 20,283 1,335 42,437 -8,404
1991 21,206 4,944 47,884 -11,427
1990 21,787 -8,203 49,443 -11,881
1989 20,012 -28,752 51,420 -9,757
1988 22,912 -44,020 51,588 2,459
1987 26,904 -38,426 51,140 1,855
1986 27,963 -21,139 50,329 354
1985 29,013 -16,178 49,944 -1,719
1984 31,791 -15,549 48,562 -2,452
1983 34,053 -15,043 46,919 -2,522
1982 38,344 -14,464 45,179 -2,132
1981 39,364 -10,834 43,588 -1,615
1980 40,612 -2,876 42,343 -1,268
1979 38,798 1,486 41,568 -1,296
1978 36,288 15,543 40,276 1,833
1977 35,448 14,505 38,995 5,354
1976 33,676 14,200 37,670 6,577
1975 34,128 13,828 36,490 6,556
1974 34,199 13,482 35,297 6,153
1973 34,562 13,164 33,993 5,647
1972 34,316 12,858 32,727 4,999
1971 35,606 5,851 31,536 4,238
1970 30,756 -8,892 30,558 3,263
1969 29,326 -10,250 29,781 2,366
1968 27,697 -11,132 29,017 3,535
1967 29,895 -11,708 28,178 5,139
1966 26,866 -11,858 27,338 5,837
1965 30,500 -14,016 26,364 5,610
1964 31,532 -15,640 25,317 4,599
1963 29,667 -16,615 24,142 3,687
1962 28,077 -17,438 22,960 9,049
1961 25,137 -22,237 21,873 10,440
1960 28,286 -38,492 20,726 10,334

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/ireland/mongolia | CC BY

Over the last 10 years, 48.2% of the population change in Ireland is from natural causes (a gain of 284,644 people) and 51.8% is from migration (a gain of 305,297 people). In Mongolia 94.1% is from natural causes (a gain of 580,367 people) and 5.87% is from migration (a gain of 36,163 people).

As of 2024, 1,216,237 residents or 23.1% of the population were not native-born in Ireland, compared to 22,589 people or 0.6% in Mongolia.

Biggest cities by population

Ireland
City Population
Dublin 593K
Cork 222K
Galway 83.5K
Limerick 62.7K
Waterford 48.4K
Drogheda 41K
Swords 40.8K
Dundalk 39K
Tralee 26.1K
Kilkenny 22.2K
Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/ireland/mongolia | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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