The latest officially reported population of Ireland was 5,484,367 in 2025 vs 3,568,978 people in Mongolia in 2025. In 2026, based on the adjusted UN estimation, the current Ireland's population is 5,562,212 people compared to 3,630,744 in Mongolia.
Population statistics:
- Ireland's population is 1.53 times bigger than Mongolia's.
- Ireland is ranked the 122nd 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 +1.5% per year vs +1.71% in Mongolia.
- Since 2006, the population of Ireland has increased from 4.27M people to 5.56M (30.2% growth), while Mongolia has grown from 2.57M to 3.63M (41.4% growth).
Ireland vs Mongolia: population by year and forecast
| Year | Population | |
|---|---|---|
Ireland
|
Mongolia
|
|
| 2100 | 5,500,499 | 5,630,532 |
| 2099 | 5,525,011 | 5,624,298 |
| 2098 | 5,548,986 | 5,616,442 |
| 2097 | 5,572,279 | 5,607,739 |
| 2096 | 5,595,064 | 5,598,366 |
| 2095 | 5,615,877 | 5,587,141 |
| 2094 | 5,636,027 | 5,575,743 |
| 2093 | 5,655,870 | 5,563,600 |
| 2092 | 5,675,151 | 5,550,506 |
| 2091 | 5,694,092 | 5,537,031 |
| 2090 | 5,713,009 | 5,522,419 |
| 2089 | 5,730,546 | 5,507,083 |
| 2088 | 5,747,238 | 5,491,226 |
| 2087 | 5,762,650 | 5,475,425 |
| 2086 | 5,776,705 | 5,459,661 |
| 2085 | 5,791,049 | 5,442,388 |
| 2084 | 5,805,074 | 5,424,928 |
| 2083 | 5,818,867 | 5,406,747 |
| 2082 | 5,831,653 | 5,388,623 |
| 2081 | 5,842,944 | 5,369,593 |
| 2080 | 5,855,351 | 5,349,817 |
| 2079 | 5,870,572 | 5,329,240 |
| 2078 | 5,885,866 | 5,307,283 |
| 2077 | 5,901,647 | 5,286,383 |
| 2076 | 5,917,991 | 5,264,220 |
| 2075 | 5,934,408 | 5,241,700 |
| 2074 | 5,951,970 | 5,218,897 |
| 2073 | 5,969,385 | 5,195,622 |
| 2072 | 5,986,721 | 5,172,532 |
| 2071 | 6,003,888 | 5,149,066 |
| 2070 | 6,021,481 | 5,124,853 |
| 2069 | 6,038,378 | 5,101,195 |
| 2068 | 6,054,840 | 5,077,035 |
| 2067 | 6,070,805 | 5,052,818 |
| 2066 | 6,086,691 | 5,027,552 |
| 2065 | 6,101,966 | 5,002,655 |
| 2064 | 6,116,867 | 4,978,185 |
| 2063 | 6,129,790 | 4,953,806 |
| 2062 | 6,141,729 | 4,929,364 |
| 2061 | 6,154,062 | 4,904,690 |
| 2060 | 6,167,032 | 4,878,877 |
| 2059 | 6,179,602 | 4,852,963 |
| 2058 | 6,189,124 | 4,826,761 |
| 2057 | 6,196,781 | 4,799,120 |
| 2056 | 6,199,786 | 4,771,151 |
| 2055 | 6,204,376 | 4,742,184 |
| 2054 | 6,205,225 | 4,711,735 |
| 2053 | 6,205,444 | 4,679,745 |
| 2052 | 6,203,350 | 4,646,658 |
| 2051 | 6,200,637 | 4,612,090 |
| 2050 | 6,195,469 | 4,576,701 |
| 2049 | 6,187,289 | 4,539,215 |
| 2048 | 6,175,872 | 4,500,638 |
| 2047 | 6,163,776 | 4,460,511 |
| 2046 | 6,150,911 | 4,419,188 |
| 2045 | 6,134,927 | 4,376,222 |
| 2044 | 6,116,643 | 4,333,010 |
| 2043 | 6,097,627 | 4,289,776 |
| 2042 | 6,076,713 | 4,245,757 |
| 2041 | 6,052,462 | 4,201,838 |
| 2040 | 6,027,054 | 4,158,320 |
| 2039 | 6,002,204 | 4,115,023 |
| 2038 | 5,974,917 | 4,072,646 |
| 2037 | 5,946,606 | 4,030,644 |
| 2036 | 5,918,275 | 3,989,867 |
| 2035 | 5,889,854 | 3,950,239 |
| 2034 | 5,858,952 | 3,911,316 |
| 2033 | 5,826,337 | 3,873,353 |
| 2032 | 5,791,225 | 3,836,311 |
| 2031 | 5,754,845 | 3,800,027 |
| 2030 | 5,717,377 | 3,763,374 |
| 2029 | 5,676,731 | 3,726,490 |
| 2028 | 5,632,552 | 3,688,767 |
| 2027 | 5,585,925 | 3,650,012 |
| 2026 | 5,537,167 | 3,610,395 |
| 2025 | 5,484,367 | 3,568,978 |
| 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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).
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 799,490 people (a 16.8% growth), while Mongolia's population increased by 541,888 people (a 17.5% growth).
Ireland was ranked 121st most populous country in 2006 and is 122nd 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 11.4% to 6,195,469 people with a rank change from 122nd to 118th. The population of Mongolia will increase by 26.1% to 4,576,701 people and rank change from 132nd to 130th.
Ireland is projected to reach its peak in 2053 at 6.21M people compared to the peak of 5.63M people in 2100 for Mongolia.
Population growth rate by year
| 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 | 1.64% | 1.25% |
| 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 (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).
GeoRank.org/population/ireland/mongolia | CC BY
In 2025, the population of Ireland grew by 1.64%, while Mongolia's population grew by 1.25%.
Live population counters
|
Ireland
|
Mongolia
|
|
|---|---|---|
| Current population |
5562212
|
3630744
|
| Population rank | 122/197 | 132/197 |
| Percent of world population | 0.07% | 0.04% |
| One net population change |
5.95 minutes
|
11.9 minutes
|
| One birth every |
9.74 minutes
|
8.82 minutes
|
| One death every |
15 minutes
|
27.1 minutes
|
| Daily growth/decline | +243 | +121 |
| Annual growth/decline | +88,577 | +44,190 |
| Annual growth/decline rate | +1.64% | +1.25% |
| Population growth rate rank | 64/197 | 81/197 |
| 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
| Year | Population change | |||
|---|---|---|---|---|
|
Ireland
|
Mongolia
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 35,417 | - | 79 |
| 2024 | 18,885 | 39,059 | 40,182 | 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 2026-07-08).
GeoRank.org/population/ireland/mongolia | CC BY
Over the last 10 years, 43.6% of the population change in Ireland is from natural causes (a gain of 265,801 people) and 56.4% is from migration (a gain of 343,908 people). In Mongolia 94.3% is from natural causes (a gain of 554,471 people) and 5.67% is from migration (a gain of 33,325 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
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Population differences between Ireland and Mongolia
|
Ireland
|
Mongolia
|
|
|---|---|---|
| Life expectancy | 82.9 years | 72.5 years |
| Average age | 39.6 years | 29.9 years |
| Median age | 40 years | 27.9 years |
| Male:Female ratio | 49.5:50.5 | 49.8:50.2 |
| Fertility rate | 1.47 births per woman | 2.5 births per woman |
| Population density | 208.2 ppl/mi² | 6 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).
GeoRank.org/population/ireland/mongolia | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.