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

Updated on by Georank

The latest officially reported population of Ireland was 5,484,367 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Ireland's population is 5,562,212 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 13.2 times bigger than Ireland's.
  • Ireland is ranked the 122nd most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 0.95% of the world: 0.07% for Ireland vs 0.89% for Tanzania.
  • For the last 10 years, Ireland has had an average growth rate of +1.5% per year vs +3.11% in Tanzania.
  • Since 2006, the population of Ireland has increased from 4.27M people to 5.56M (30.2% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

Ireland vs Tanzania: population by year and forecast

Ireland
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Ireland Tanzania
2100 5,500,499 265,471,550
2099 5,525,011 263,137,702
2098 5,548,986 260,784,676
2097 5,572,279 258,387,890
2096 5,595,064 255,972,277
2095 5,615,877 253,543,248
2094 5,636,027 251,095,452
2093 5,655,870 248,605,184
2092 5,675,151 246,083,651
2091 5,694,092 243,533,968
2090 5,713,009 240,979,094
2089 5,730,546 238,393,867
2088 5,747,238 235,775,056
2087 5,762,650 233,145,231
2086 5,776,705 230,474,072
2085 5,791,049 227,778,580
2084 5,805,074 225,090,075
2083 5,818,867 222,400,079
2082 5,831,653 219,697,321
2081 5,842,944 216,974,796
2080 5,855,351 214,235,505
2079 5,870,572 211,466,096
2078 5,885,866 208,688,171
2077 5,901,647 205,898,494
2076 5,917,991 203,086,766
2075 5,934,408 200,278,383
2074 5,951,970 197,449,196
2073 5,969,385 194,624,081
2072 5,986,721 191,805,820
2071 6,003,888 188,974,004
2070 6,021,481 186,134,634
2069 6,038,378 183,293,747
2068 6,054,840 180,458,385
2067 6,070,805 177,622,538
2066 6,086,691 174,786,430
2065 6,101,966 171,897,059
2064 6,116,867 169,048,435
2063 6,129,790 166,202,091
2062 6,141,729 163,354,473
2061 6,154,062 160,521,858
2060 6,167,032 157,707,240
2059 6,179,602 154,905,240
2058 6,189,124 152,106,040
2057 6,196,781 149,311,257
2056 6,199,786 146,505,507
2055 6,204,376 143,722,840
2054 6,205,225 140,970,467
2053 6,205,444 138,249,490
2052 6,203,350 135,540,803
2051 6,200,637 132,838,721
2050 6,195,469 130,145,345
2049 6,187,289 127,483,126
2048 6,175,872 124,809,212
2047 6,163,776 122,146,647
2046 6,150,911 119,511,124
2045 6,134,927 116,903,642
2044 6,116,643 114,318,843
2043 6,097,627 111,765,580
2042 6,076,713 109,231,423
2041 6,052,462 106,738,458
2040 6,027,054 104,262,479
2039 6,002,204 101,804,600
2038 5,974,917 99,370,760
2037 5,946,606 96,974,485
2036 5,918,275 94,592,848
2035 5,889,854 92,248,476
2034 5,858,952 89,920,872
2033 5,826,337 87,646,627
2032 5,791,225 85,401,853
2031 5,754,845 83,172,579
2030 5,717,377 80,989,443
2029 5,676,731 78,830,947
2028 5,632,552 76,723,335
2027 5,585,925 74,639,948
2026 5,537,167 72,582,361
2025 5,484,367 70,545,865
2024 5,395,790 68,560,157
2023 5,311,538 66,617,606
2022 5,212,836 64,711,821
2021 5,110,585 62,830,412
2020 5,039,747 60,972,798
2019 4,976,456 59,174,891
2018 4,898,022 57,437,145
2017 4,827,445 55,652,890
2016 4,762,722 53,824,013
2015 4,701,957 52,020,962
2014 4,657,740 50,351,512
2013 4,623,816 48,824,128
2012 4,599,533 47,374,260
2011 4,580,084 46,029,367
2010 4,560,155 44,758,488
2009 4,535,375 43,633,982
2008 4,489,544 42,570,728
2007 4,398,942 41,435,512
2006 4,273,591 40,294,902
2005 4,159,914 39,182,076
2004 4,070,262 38,109,668
2003 3,996,521 37,089,555
2002 3,931,947 36,121,304
2001 3,866,243 35,198,299
2000 3,805,174 34,260,139
1999 3,754,786 33,300,330
1998 3,712,696 32,420,458
1997 3,674,171 31,578,089
1996 3,637,510 30,945,762
1995 3,608,841 30,383,497
1994 3,590,386 29,442,356
1993 3,576,261 28,332,692
1992 3,558,430 27,457,588
1991 3,534,235 26,780,436
1990 3,513,974 26,110,207
1989 3,511,009 25,438,759
1988 3,524,949 24,769,686
1987 3,540,057 24,030,378
1986 3,539,690 23,258,959
1985 3,538,082 22,501,693
1984 3,532,423 21,779,066
1983 3,510,600 21,079,874
1982 3,485,800 20,398,571
1981 3,453,000 19,784,703
1980 3,412,800 19,189,769
1979 3,373,750 18,592,038
1978 3,329,100 17,976,566
1977 3,282,200 17,352,929
1976 3,238,050 16,736,211
1975 3,189,550 16,138,361
1974 3,137,500 15,561,630
1973 3,085,950 15,010,101
1972 3,036,850 14,479,308
1971 2,992,050 13,971,451
1970 2,957,250 13,492,677
1969 2,932,650 13,036,700
1968 2,915,550 12,602,076
1967 2,902,450 12,200,109
1966 2,888,800 11,827,459
1965 2,877,300 11,470,728
1964 2,866,550 11,127,826
1963 2,852,650 10,799,528
1962 2,836,050 10,487,756
1961 2,824,400 10,187,886
1960 2,828,600 9,901,419

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/tanzania | CC BY

From 2006 to 2016, the population of Ireland increased by 489,131 people (a 11.4% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Ireland gained 799,490 people (a 16.8% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

Ireland was ranked 121st most populous country in 2006 and is 122nd in 2026. Tanzania was ranked 30th in 2006 and ranked 20th 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 Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

Ireland is projected to reach its peak in 2053 at 6.21M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

Ireland
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Ireland Tanzania
2100 -0.44% 0.89%
2099 -0.43% 0.9%
2098 -0.42% 0.93%
2097 -0.41% 0.94%
2096 -0.37% 0.96%
2095 -0.36% 0.97%
2094 -0.35% 1%
2093 -0.34% 1.02%
2092 -0.33% 1.05%
2091 -0.33% 1.06%
2090 -0.31% 1.08%
2089 -0.29% 1.11%
2088 -0.27% 1.13%
2087 -0.24% 1.16%
2086 -0.25% 1.18%
2085 -0.24% 1.19%
2084 -0.24% 1.21%
2083 -0.22% 1.23%
2082 -0.19% 1.25%
2081 -0.21% 1.28%
2080 -0.26% 1.31%
2079 -0.26% 1.33%
2078 -0.27% 1.35%
2077 -0.28% 1.38%
2076 -0.28% 1.4%
2075 -0.3% 1.43%
2074 -0.29% 1.45%
2073 -0.29% 1.47%
2072 -0.29% 1.5%
2071 -0.29% 1.53%
2070 -0.28% 1.55%
2069 -0.27% 1.57%
2068 -0.26% 1.6%
2067 -0.26% 1.62%
2066 -0.25% 1.68%
2065 -0.24% 1.69%
2064 -0.21% 1.71%
2063 -0.19% 1.74%
2062 -0.2% 1.76%
2061 -0.21% 1.78%
2060 -0.2% 1.81%
2059 -0.15% 1.84%
2058 -0.12% 1.87%
2057 -0.05% 1.92%
2056 -0.07% 1.94%
2055 -0.01% 1.95%
2054 -0.004% 1.97%
2053 0.03% 2%
2052 0.04% 2.03%
2051 0.08% 2.07%
2050 0.13% 2.09%
2049 0.18% 2.14%
2048 0.2% 2.18%
2047 0.21% 2.21%
2046 0.26% 2.23%
2045 0.3% 2.26%
2044 0.31% 2.28%
2043 0.34% 2.32%
2042 0.4% 2.34%
2041 0.42% 2.37%
2040 0.41% 2.41%
2039 0.46% 2.45%
2038 0.48% 2.47%
2037 0.48% 2.52%
2036 0.48% 2.54%
2035 0.53% 2.59%
2034 0.56% 2.59%
2033 0.61% 2.63%
2032 0.63% 2.68%
2031 0.66% 2.7%
2030 0.72% 2.74%
2029 0.78% 2.75%
2028 0.83% 2.79%
2027 0.88% 2.83%
2026 0.96% 2.89%
2025 1.64% 2.9%
2024 1.59% 2.92%
2023 1.89% 2.95%
2022 2% 2.99%
2021 1.41% 3.05%
2020 1.27% 3.04%
2019 1.6% 3.03%
2018 1.46% 3.21%
2017 1.36% 3.4%
2016 1.29% 3.47%
2015 0.95% 3.32%
2014 0.73% 3.13%
2013 0.53% 3.06%
2012 0.42% 2.92%
2011 0.44% 2.84%
2010 0.55% 2.58%
2009 1.02% 2.5%
2008 2.06% 2.74%
2007 2.93% 2.83%
2006 2.73% 2.84%
2005 2.2% 2.81%
2004 1.85% 2.75%
2003 1.64% 2.68%
2002 1.7% 2.62%
2001 1.6% 2.74%
2000 1.34% 2.88%
1999 1.13% 2.71%
1998 1.05% 2.67%
1997 1.01% 2.04%
1996 0.79% 1.85%
1995 0.51% 3.2%
1994 0.39% 3.92%
1993 0.5% 3.19%
1992 0.68% 2.53%
1991 0.58% 2.57%
1990 0.08% 2.64%
1989 -0.4% 2.7%
1988 -0.43% 3.08%
1987 0.01% 3.32%
1986 0.05% 3.37%
1985 0.16% 3.32%
1984 0.62% 3.32%
1983 0.71% 3.34%
1982 0.95% 3.1%
1981 1.18% 3.1%
1980 1.16% 3.21%
1979 1.34% 3.42%
1978 1.43% 3.59%
1977 1.36% 3.68%
1976 1.52% 3.7%
1975 1.66% 3.71%
1974 1.67% 3.67%
1973 1.62% 3.67%
1972 1.5% 3.63%
1971 1.18% 3.55%
1970 0.84% 3.5%
1969 0.59% 3.45%
1968 0.45% 3.29%
1967 0.47% 3.15%
1966 0.4% 3.11%
1965 0.38% 3.08%
1964 0.49% 3.04%
1963 0.59% 2.97%
1962 0.41% 2.94%
1961 -0.15% 2.89%

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/tanzania | CC BY

In 2025, the population of Ireland grew by 1.64%, while Tanzania's population grew by 2.9%.

Live population counters

Ireland Tanzania
Current population
5562212
73639263
Population rank 122/197 20/197
Percent of world population 0.07% 0.89%
One net population change
5.95 minutes
15.9 seconds
One birth every
9.74 minutes
13.2 seconds
One death every
15 minutes
1.34 minutes
Daily growth/decline +243 +5,440
Annual growth/decline +88,577 +1,985,708
Annual growth/decline rate +1.64% +2.9%
Population growth rate rank 64/197 16/197
One migration net change every
14.9 minutes
41.4 minutes
Annual migration change +35,417 -12,730
Net migration rank 27/196 139/196
Foreign-born residents 1,216,237 462,371
Foreign-born residents rank 52/195 83/195
Foreign-born share of population 23.1% 0.7%
Foreign-born share rank 25/195 167/195

Natural population change vs migration

Ireland
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Ireland Tanzania
Natural Migration Natural Migration
2025 - 35,417 - -12,730
2024 18,885 39,059 1,993,730 -29,865
2023 19,652 43,873 1,960,623 -39,388
2022 19,287 93,535 1,927,960 -37,557
2021 26,064 27,419 1,880,137 -7,704
2020 23,687 15,746 1,861,377 -18,587
2019 28,365 29,663 1,816,669 -63,602
2018 29,878 33,387 1,777,852 -55,444
2017 31,379 28,883 1,726,909 119,142
2016 33,339 18,967 1,659,502 152,194
2015 35,265 13,376 1,592,882 201,495
2014 37,728 448 1,565,630 -21,083
2013 39,302 -12,309 1,509,008 1,241
2012 42,775 -22,411 1,439,325 -49,875
2011 45,801 -26,529 1,384,886 -84,546
2010 47,426 -26,974 1,363,477 -122,020
2009 47,168 -18,524 1,332,015 -324,478
2008 46,691 18,979 1,303,728 -184,816
2007 43,109 76,465 1,278,285 -126,793
2006 36,752 94,513 1,257,927 -128,231
2005 33,279 63,983 1,224,165 -128,251
2004 33,376 49,102 1,175,379 -126,490
2003 32,372 32,220 1,118,435 -127,101
2002 31,062 34,286 1,063,195 -118,047
2001 27,837 39,220 1,026,242 -125,375
2000 23,592 31,298 985,185 -9,701
1999 21,402 23,592 948,659 -4,489
1998 22,277 16,615 920,806 -105,184
1997 21,311 17,425 882,544 -13,400
1996 18,915 9,959 868,524 -473,007
1995 16,601 10,019 838,980 -109,971
1994 17,234 -3,118 803,953 349,348
1993 17,166 -3,762 778,044 288,004
1992 20,283 1,335 767,961 -83,825
1991 21,206 4,944 762,011 -91,851
1990 21,787 -8,203 750,825 -80,529
1989 20,012 -28,752 743,854 -71,268
1988 22,912 -44,020 736,551 -71,012
1987 26,904 -38,426 718,580 94,498
1986 27,963 -21,139 705,677 24,101
1985 29,013 -16,178 697,867 86,864
1984 31,791 -15,549 687,435 -26,938
1983 34,053 -15,043 679,720 58,161
1982 38,344 -14,464 662,627 -37,883
1981 39,364 -10,834 645,496 -42,485
1980 40,612 -2,876 629,444 -42,588
1979 38,798 1,486 613,388 -4,792
1978 36,288 15,543 595,024 27,307
1977 35,448 14,505 574,938 49,997
1976 33,676 14,200 553,617 54,875
1975 34,128 13,828 533,906 53,290
1974 34,199 13,482 515,152 51,127
1973 34,562 13,164 488,429 48,363
1972 34,316 12,858 467,305 57,489
1971 35,606 5,851 449,014 41,900
1970 30,756 -8,892 427,988 38,635
1969 29,326 -10,250 408,322 37,006
1968 27,697 -11,132 389,467 34,455
1967 29,895 -11,708 374,763 5,265
1966 26,866 -11,858 360,229 5,049
1965 30,500 -14,016 343,456 4,742
1964 31,532 -15,640 328,527 9,090
1963 29,667 -16,615 314,644 4,333
1962 28,077 -17,438 300,663 3,916
1961 25,137 -22,237 286,839 8,338
1960 28,286 -38,492 275,814 1,946

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

GeoRank.org/population/ireland/tanzania | 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 Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).

As of 2024, 1,216,237 residents or 23.1% of the population were not native-born in Ireland, compared to 462,371 people or 0.7% in Tanzania.

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
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

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/tanzania | 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. Wikidata (2026, retrieved 2026-07-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)

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