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

Updated on by Georank

The latest officially reported population of Ireland was 5,484,367 in 2025 vs 12,025 people in Nauru in 2025. In 2026, based on the adjusted UN estimation, the current Ireland's population is 5,562,212 people compared to 12,139 in Nauru.

Population statistics:

  • Ireland's population is 458 times bigger than Nauru's.
  • Ireland is ranked the 122nd most populous country in the world, while Nauru is the 195th.
  • The countries together account for 0.07% of the world: 0.07% for Ireland vs 0.0001% for Nauru.
  • For the last 10 years, Ireland has had an average growth rate of +1.5% per year vs +1.03% in Nauru.
  • Since 2006, the population of Ireland has increased from 4.27M people to 5.56M (30.2% growth), while Nauru has grown from 10K to 12.1K (21% growth).

Ireland vs Nauru: population by year and forecast

Ireland
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Ireland Nauru
2100 5,500,499 20,708
2099 5,525,011 20,677
2098 5,548,986 20,636
2097 5,572,279 20,596
2096 5,595,064 20,561
2095 5,615,877 20,526
2094 5,636,027 20,479
2093 5,655,870 20,423
2092 5,675,151 20,377
2091 5,694,092 20,332
2090 5,713,009 20,276
2089 5,730,546 20,210
2088 5,747,238 20,143
2087 5,762,650 20,087
2086 5,776,705 20,019
2085 5,791,049 19,950
2084 5,805,074 19,872
2083 5,818,867 19,787
2082 5,831,653 19,700
2081 5,842,944 19,603
2080 5,855,351 19,517
2079 5,870,572 19,411
2078 5,885,866 19,304
2077 5,901,647 19,198
2076 5,917,991 19,089
2075 5,934,408 18,978
2074 5,951,970 18,866
2073 5,969,385 18,750
2072 5,986,721 18,630
2071 6,003,888 18,527
2070 6,021,481 18,388
2069 6,038,378 18,281
2068 6,054,840 18,160
2067 6,070,805 18,017
2066 6,086,691 17,896
2065 6,101,966 17,769
2064 6,116,867 17,641
2063 6,129,790 17,516
2062 6,141,729 17,394
2061 6,154,062 17,260
2060 6,167,032 17,129
2059 6,179,602 17,006
2058 6,189,124 16,874
2057 6,196,781 16,745
2056 6,199,786 16,605
2055 6,204,376 16,465
2054 6,205,225 16,328
2053 6,205,444 16,186
2052 6,203,350 16,042
2051 6,200,637 15,881
2050 6,195,469 15,731
2049 6,187,289 15,565
2048 6,175,872 15,405
2047 6,163,776 15,234
2046 6,150,911 15,058
2045 6,134,927 14,888
2044 6,116,643 14,712
2043 6,097,627 14,539
2042 6,076,713 14,357
2041 6,052,462 14,174
2040 6,027,054 13,990
2039 6,002,204 13,821
2038 5,974,917 13,666
2037 5,946,606 13,507
2036 5,918,275 13,358
2035 5,889,854 13,190
2034 5,858,952 13,035
2033 5,826,337 12,888
2032 5,791,225 12,753
2031 5,754,845 12,619
2030 5,717,377 12,499
2029 5,676,731 12,381
2028 5,632,552 12,286
2027 5,585,925 12,177
2026 5,537,167 12,100
2025 5,484,367 12,025
2024 5,395,790 11,947
2023 5,311,538 11,875
2022 5,212,836 11,801
2021 5,110,585 11,709
2020 5,039,747 11,643
2019 4,976,456 11,587
2018 4,898,022 11,477
2017 4,827,445 11,324
2016 4,762,722 11,150
2015 4,701,957 10,954
2014 4,657,740 10,742
2013 4,623,816 10,517
2012 4,599,533 10,267
2011 4,580,084 10,098
2010 4,560,155 10,043
2009 4,535,375 10,016
2008 4,489,544 10,009
2007 4,398,942 10,020
2006 4,273,591 10,034
2005 4,159,914 10,049
2004 4,070,262 10,060
2003 3,996,521 10,059
2002 3,931,947 10,082
2001 3,866,243 10,130
2000 3,805,174 10,168
1999 3,754,786 10,187
1998 3,712,696 10,198
1997 3,674,171 10,197
1996 3,637,510 10,183
1995 3,608,841 10,165
1994 3,590,386 10,137
1993 3,576,261 10,102
1992 3,558,430 10,021
1991 3,534,235 9,850
1990 3,513,974 9,622
1989 3,511,009 9,390
1988 3,524,949 9,165
1987 3,540,057 8,946
1986 3,539,690 8,742
1985 3,538,082 8,551
1984 3,532,423 8,377
1983 3,510,600 8,216
1982 3,485,800 8,040
1981 3,453,000 7,839
1980 3,412,800 7,649
1979 3,373,750 7,468
1978 3,329,100 7,298
1977 3,282,200 7,163
1976 3,238,050 7,064
1975 3,189,550 6,987
1974 3,137,500 6,923
1973 3,085,950 6,866
1972 3,036,850 6,812
1971 2,992,050 6,762
1970 2,957,250 6,710
1969 2,932,650 6,581
1968 2,915,550 6,328
1967 2,902,450 6,135
1966 2,888,800 6,043
1965 2,877,300 5,832
1964 2,866,550 5,515
1963 2,852,650 5,226
1962 2,836,050 4,979
1961 2,824,400 4,774
1960 2,828,600 4,607

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/nauru | CC BY

From 2006 to 2016, the population of Ireland increased by 489,131 people (a 11.4% growth), while Nauru gained 1,116 people (a 11.1% growth).

For the next 10 years, from 2016 to 2026, Ireland gained 799,490 people (a 16.8% growth), while Nauru's population increased by 989 people (a 8.87% growth).

Ireland was ranked 121st most populous country in 2006 and is 122nd in 2026. Nauru was ranked 196th in 2006 and ranked 195th 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 Nauru will increase by 29.6% to 15,731 people and rank change from 195th to 194th.

Ireland is projected to reach its peak in 2053 at 6.21M people compared to the peak of 20.7K people in 2100 for Nauru.

Population growth rate by year

Ireland
Factual

Projection
Nauru
Factual

Projection
1x
Year Growth rate
Ireland Nauru
2100 -0.44% 0.15%
2099 -0.43% 0.2%
2098 -0.42% 0.19%
2097 -0.41% 0.17%
2096 -0.37% 0.17%
2095 -0.36% 0.23%
2094 -0.35% 0.27%
2093 -0.34% 0.23%
2092 -0.33% 0.22%
2091 -0.33% 0.28%
2090 -0.31% 0.33%
2089 -0.29% 0.33%
2088 -0.27% 0.28%
2087 -0.24% 0.34%
2086 -0.25% 0.35%
2085 -0.24% 0.39%
2084 -0.24% 0.43%
2083 -0.22% 0.44%
2082 -0.19% 0.5%
2081 -0.21% 0.44%
2080 -0.26% 0.54%
2079 -0.26% 0.56%
2078 -0.27% 0.55%
2077 -0.28% 0.57%
2076 -0.28% 0.59%
2075 -0.3% 0.6%
2074 -0.29% 0.62%
2073 -0.29% 0.65%
2072 -0.29% 0.56%
2071 -0.29% 0.75%
2070 -0.28% 0.59%
2069 -0.27% 0.66%
2068 -0.26% 0.8%
2067 -0.26% 0.68%
2066 -0.25% 0.71%
2065 -0.24% 0.73%
2064 -0.21% 0.71%
2063 -0.19% 0.7%
2062 -0.2% 0.78%
2061 -0.21% 0.76%
2060 -0.2% 0.73%
2059 -0.15% 0.78%
2058 -0.12% 0.77%
2057 -0.05% 0.85%
2056 -0.07% 0.85%
2055 -0.01% 0.84%
2054 -0.004% 0.87%
2053 0.03% 0.9%
2052 0.04% 1.01%
2051 0.08% 0.96%
2050 0.13% 1.06%
2049 0.18% 1.04%
2048 0.2% 1.12%
2047 0.21% 1.17%
2046 0.26% 1.14%
2045 0.3% 1.2%
2044 0.31% 1.19%
2043 0.34% 1.27%
2042 0.4% 1.29%
2041 0.42% 1.32%
2040 0.41% 1.22%
2039 0.46% 1.14%
2038 0.48% 1.17%
2037 0.48% 1.12%
2036 0.48% 1.27%
2035 0.53% 1.19%
2034 0.56% 1.14%
2033 0.61% 1.06%
2032 0.63% 1.06%
2031 0.66% 0.96%
2030 0.72% 0.96%
2029 0.78% 0.77%
2028 0.83% 0.9%
2027 0.88% 0.64%
2026 0.96% 0.63%
2025 1.64% 0.65%
2024 1.59% 0.61%
2023 1.89% 0.63%
2022 2% 0.79%
2021 1.41% 0.57%
2020 1.27% 0.48%
2019 1.6% 0.96%
2018 1.46% 1.35%
2017 1.36% 1.56%
2016 1.29% 1.79%
2015 0.95% 1.97%
2014 0.73% 2.14%
2013 0.53% 2.43%
2012 0.42% 1.67%
2011 0.44% 0.55%
2010 0.55% 0.27%
2009 1.02% 0.07%
2008 2.06% -0.11%
2007 2.93% -0.14%
2006 2.73% -0.15%
2005 2.2% -0.11%
2004 1.85% 0.01%
2003 1.64% -0.23%
2002 1.7% -0.47%
2001 1.6% -0.37%
2000 1.34% -0.19%
1999 1.13% -0.11%
1998 1.05% 0.01%
1997 1.01% 0.14%
1996 0.79% 0.18%
1995 0.51% 0.28%
1994 0.39% 0.35%
1993 0.5% 0.81%
1992 0.68% 1.74%
1991 0.58% 2.37%
1990 0.08% 2.47%
1989 -0.4% 2.45%
1988 -0.43% 2.45%
1987 0.01% 2.33%
1986 0.05% 2.23%
1985 0.16% 2.08%
1984 0.62% 1.96%
1983 0.71% 2.19%
1982 0.95% 2.56%
1981 1.18% 2.48%
1980 1.16% 2.42%
1979 1.34% 2.33%
1978 1.43% 1.88%
1977 1.36% 1.4%
1976 1.52% 1.1%
1975 1.66% 0.92%
1974 1.67% 0.83%
1973 1.62% 0.79%
1972 1.5% 0.74%
1971 1.18% 0.77%
1970 0.84% 1.96%
1969 0.59% 4%
1968 0.45% 3.15%
1967 0.47% 1.52%
1966 0.4% 3.62%
1965 0.38% 5.75%
1964 0.49% 5.53%
1963 0.59% 4.96%
1962 0.41% 4.29%
1961 -0.15% 3.62%

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/nauru | CC BY

In 2025, the population of Ireland grew by 1.64%, while Nauru's population grew by 0.65%.

Live population counters

Ireland Nauru
Current population
5562212
12139
Population rank 122/197 195/197
Percent of world population 0.07% 0.0001%
One net population change
5.95 minutes
4.69 days
One birth every
9.74 minutes
1.25 days
One death every
15 minutes
4.06 days
Daily growth/decline +243 +0
Annual growth/decline +88,577 +78
Annual growth/decline rate +1.64% +0.65%
Population growth rate rank 64/197 119/197
One migration net change every
14.9 minutes
3 days
Annual migration change +35,417 -122
Net migration rank 27/196 82/196
Foreign-born residents 1,216,237 2,548
Foreign-born residents rank 52/195 191/195
Foreign-born share of population 23.1% 21.3%
Foreign-born share rank 25/195 29/195

Natural population change vs migration

Ireland
Natural

Migration
Nauru
Natural

Migration
1x
Year Population change
Ireland Nauru
Natural Migration Natural Migration
2025 - 35,417 - -122
2024 18,885 39,059 203 -121
2023 19,652 43,873 213 -148
2022 19,287 93,535 226 -144
2021 26,064 27,419 236 -137
2020 23,687 15,746 246 -214
2019 28,365 29,663 255 -171
2018 29,878 33,387 265 -131
2017 31,379 28,883 279 -115
2016 33,339 18,967 289 -105
2015 35,265 13,376 291 -86
2014 37,728 448 290 -69
2013 39,302 -12,309 291 -53
2012 42,775 -22,411 292 -38
2011 45,801 -26,529 291 -206
2010 47,426 -26,974 281 -246
2009 47,168 -18,524 261 -249
2008 46,691 18,979 240 -243
2007 43,109 76,465 222 -235
2006 36,752 94,513 209 -224
2005 33,279 63,983 204 -217
2004 33,376 49,102 202 -210
2003 32,372 32,220 201 -199
2002 31,062 34,286 200 -247
2001 27,837 39,220 203 -252
2000 23,592 31,298 207 -236
1999 21,402 23,592 212 -227
1998 22,277 16,615 214 -217
1997 21,311 17,425 218 -209
1996 18,915 9,959 221 -204
1995 16,601 10,019 225 -201
1994 17,234 -3,118 229 -196
1993 17,166 -3,762 235 -194
1992 20,283 1,335 237 -121
1991 21,206 4,944 225 0
1990 21,787 -8,203 214 20
1989 20,012 -28,752 204 24
1988 22,912 -44,020 195 29
1987 26,904 -38,426 186 27
1986 27,963 -21,139 178 21
1985 29,013 -16,178 171 8
1984 31,791 -15,549 166 -2
1983 34,053 -15,043 163 -5
1982 38,344 -14,464 162 30
1981 39,364 -10,834 157 44
1980 40,612 -2,876 145 44
1979 38,798 1,486 130 48
1978 36,288 15,543 111 40
1977 35,448 14,505 89 32
1976 33,676 14,200 79 0
1975 34,128 13,828 70 0
1974 34,199 13,482 63 0
1973 34,562 13,164 57 0
1972 34,316 12,858 53 0
1971 35,606 5,851 50 0
1970 30,756 -8,892 49 0
1969 29,326 -10,250 71 132
1968 27,697 -11,132 116 180
1967 29,895 -11,708 117 -28
1966 26,866 -11,858 123 -32
1965 30,500 -14,016 113 218
1964 31,532 -15,640 100 203
1963 29,667 -16,615 88 181
1962 28,077 -17,438 75 158
1961 25,137 -22,237 70 120
1960 28,286 -38,492 72 76

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/ireland/nauru | 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 Nauru 64.6% is from natural causes (a gain of 2,503 people) and 35.4% is from migration (a loss of 1,372 people).

As of 2024, 1,216,237 residents or 23.1% of the population were not native-born in Ireland, compared to 2,548 people or 21.3% in Nauru.

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
Nauru
City Population
Yaren 747

Compare countries by 7 more topics

Population map with other countries

1x

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/nauru | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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