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

Updated on by Georank team

The latest officially reported population of Iran was 91,567,738 in 2024 vs 11,947 people in Nauru in 2024. In 2026, based on the adjusted UN estimation, the current Iran's population is 93,468,444 people compared to 12,125 in Nauru.

Population statistics:

  • Iran's population is 7,709 times bigger than Nauru's.
  • Iran is ranked the 17th most populous country in the world, while Nauru is the 195th.
  • The countries together account for 1.13% of the world: 1.13% for Iran vs 0.0001% for Nauru.
  • For the last 10 years, Iran has had an average growth rate of +1.19% per year vs +1.17% in Nauru.
  • Since 2006, the population of Iran has increased from 73.4M people to 93.5M (27.4% growth), while Nauru has grown from 10K to 12.1K (20.8% growth).

Iran vs Nauru: population by year and forecast

Iran
Factual

Projection
Nauru
Factual

Projection
1x
Year Population
Iran Nauru
2100 80,713,760 20,717
2099 81,246,718 20,686
2098 81,770,953 20,645
2097 82,295,714 20,605
2096 82,818,575 20,570
2095 83,338,446 20,535
2094 83,854,648 20,488
2093 84,371,569 20,432
2092 84,888,626 20,386
2091 85,410,099 20,341
2090 85,934,675 20,285
2089 86,466,409 20,219
2088 87,004,165 20,152
2087 87,549,685 20,096
2086 88,105,571 20,028
2085 88,668,329 19,959
2084 89,239,709 19,880
2083 89,817,194 19,796
2082 90,402,538 19,709
2081 90,995,822 19,611
2080 91,595,122 19,525
2079 92,196,842 19,420
2078 92,801,160 19,312
2077 93,405,954 19,206
2076 94,007,669 19,098
2075 94,606,607 18,986
2074 95,197,577 18,874
2073 95,783,994 18,758
2072 96,355,853 18,638
2071 96,915,335 18,535
2070 97,460,813 18,396
2069 97,988,897 18,289
2068 98,496,927 18,168
2067 98,978,509 18,025
2066 99,439,391 17,903
2065 99,877,457 17,777
2064 100,288,977 17,649
2063 100,668,199 17,524
2062 101,017,348 17,402
2061 101,332,810 17,267
2060 101,612,261 17,137
2059 101,858,931 17,013
2058 102,061,144 16,882
2057 102,228,085 16,752
2056 102,358,266 16,612
2055 102,449,092 16,472
2054 102,498,594 16,335
2053 102,508,245 16,193
2052 102,480,373 16,049
2051 102,417,847 15,888
2050 102,318,917 15,738
2049 102,189,816 15,572
2048 102,024,233 15,412
2047 101,832,213 15,241
2046 101,613,554 15,064
2045 101,371,784 14,895
2044 101,104,998 14,718
2043 100,818,045 14,546
2042 100,512,032 14,363
2041 100,188,214 14,180
2040 99,849,875 13,996
2039 99,501,869 13,827
2038 99,137,385 13,672
2037 98,759,167 13,513
2036 98,366,612 13,363
2035 97,963,082 13,196
2034 97,546,148 13,040
2033 97,118,106 12,894
2032 96,671,440 12,758
2031 96,204,118 12,625
2030 95,718,604 12,504
2029 95,195,996 12,386
2028 94,623,034 12,292
2027 93,987,260 12,182
2026 93,276,075 12,105
2025 92,478,162 12,030
2024 91,567,738 11,947
2023 90,608,707 11,875
2022 89,524,246 11,801
2021 88,455,488 11,709
2020 87,723,443 11,643
2019 87,051,648 11,587
2018 86,117,998 11,477
2017 85,026,754 11,324
2016 83,812,228 11,150
2015 82,619,362 10,954
2014 81,502,045 10,742
2013 80,414,686 10,517
2012 79,370,580 10,267
2011 78,383,598 10,098
2010 77,420,842 10,043
2009 76,457,825 10,016
2008 75,514,204 10,009
2007 74,602,648 10,020
2006 73,392,747 10,034
2005 71,828,455 10,049
2004 70,256,316 10,060
2003 68,769,340 10,059
2002 68,011,317 10,082
2001 67,452,005 10,130
2000 66,418,659 10,168
1999 65,445,391 10,187
1998 64,519,859 10,198
1997 63,639,638 10,197
1996 62,881,300 10,183
1995 62,205,567 10,165
1994 61,520,598 10,137
1993 61,403,543 10,102
1992 61,184,983 10,021
1991 59,986,931 9,850
1990 58,380,092 9,622
1989 56,704,914 9,390
1988 55,072,694 9,165
1987 53,323,493 8,946
1986 51,446,045 8,742
1985 49,582,289 8,551
1984 47,793,998 8,377
1983 46,029,535 8,216
1982 44,272,141 8,040
1981 41,989,312 7,839
1980 39,842,324 7,649
1979 38,424,952 7,468
1978 37,126,535 7,298
1977 35,933,181 7,163
1976 34,837,271 7,064
1975 33,802,973 6,987
1974 32,796,463 6,923
1973 31,839,838 6,866
1972 30,921,179 6,812
1971 30,029,071 6,762
1970 29,145,100 6,710
1969 28,273,482 6,581
1968 27,437,391 6,328
1967 26,628,432 6,135
1966 25,829,270 6,043
1965 25,036,978 5,832
1964 24,262,859 5,515
1963 23,519,005 5,226
1962 22,807,907 4,979
1961 22,125,726 4,774
1960 21,470,434 4,607

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/iran/nauru | CC BY

From 2006 to 2016, the population of Iran increased by 10,419,481 people (a 14.2% growth), while Nauru gained 1,116 people (a 11.1% growth).

For the next 10 years, from 2016 to 2026, Iran gained 9,656,216 people (a 11.5% growth), while Nauru's population increased by 975 people (a 8.74% growth).

Iran was ranked 17th most populous country in 2006 and is still 17th 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) Iran's population will grow by 9.47% to 102,318,917 people with a rank change from 17th to 18th. The population of Nauru will increase by 29.8% to 15,738 people and rank change from 195th to 194th.

Iran is projected to reach its peak in 2053 at 103M people compared to the peak of 20.7K people in 2100 for Nauru.

Population growth rate by year

Iran
Factual

Projection
Nauru
Factual

Projection
1x
Year Growth rate
Iran Nauru
2100 -0.66% 0.15%
2099 -0.64% 0.2%
2098 -0.64% 0.19%
2097 -0.63% 0.17%
2096 -0.62% 0.17%
2095 -0.62% 0.23%
2094 -0.61% 0.27%
2093 -0.61% 0.23%
2092 -0.61% 0.22%
2091 -0.61% 0.28%
2090 -0.61% 0.33%
2089 -0.62% 0.33%
2088 -0.62% 0.28%
2087 -0.63% 0.34%
2086 -0.63% 0.35%
2085 -0.64% 0.39%
2084 -0.64% 0.43%
2083 -0.65% 0.44%
2082 -0.65% 0.5%
2081 -0.65% 0.44%
2080 -0.65% 0.54%
2079 -0.65% 0.56%
2078 -0.65% 0.55%
2077 -0.64% 0.57%
2076 -0.63% 0.59%
2075 -0.62% 0.6%
2074 -0.61% 0.62%
2073 -0.59% 0.65%
2072 -0.58% 0.56%
2071 -0.56% 0.75%
2070 -0.54% 0.59%
2069 -0.52% 0.66%
2068 -0.49% 0.8%
2067 -0.46% 0.68%
2066 -0.44% 0.71%
2065 -0.41% 0.73%
2064 -0.38% 0.71%
2063 -0.35% 0.7%
2062 -0.31% 0.78%
2061 -0.28% 0.76%
2060 -0.24% 0.73%
2059 -0.2% 0.78%
2058 -0.16% 0.77%
2057 -0.13% 0.85%
2056 -0.09% 0.85%
2055 -0.05% 0.84%
2054 -0.009% 0.87%
2053 0.03% 0.9%
2052 0.06% 1.01%
2051 0.1% 0.96%
2050 0.13% 1.06%
2049 0.16% 1.04%
2048 0.19% 1.12%
2047 0.22% 1.17%
2046 0.24% 1.14%
2045 0.26% 1.2%
2044 0.28% 1.19%
2043 0.3% 1.27%
2042 0.32% 1.29%
2041 0.34% 1.32%
2040 0.35% 1.22%
2039 0.37% 1.14%
2038 0.38% 1.17%
2037 0.4% 1.12%
2036 0.41% 1.27%
2035 0.43% 1.19%
2034 0.44% 1.14%
2033 0.46% 1.06%
2032 0.49% 1.06%
2031 0.51% 0.96%
2030 0.55% 0.96%
2029 0.61% 0.77%
2028 0.68% 0.9%
2027 0.76% 0.64%
2026 0.86% 0.63%
2025 0.99% 0.7%
2024 1.06% 0.61%
2023 1.21% 0.63%
2022 1.21% 0.79%
2021 0.83% 0.57%
2020 0.77% 0.48%
2019 1.08% 0.96%
2018 1.28% 1.35%
2017 1.45% 1.56%
2016 1.44% 1.79%
2015 1.37% 1.97%
2014 1.35% 2.14%
2013 1.32% 2.43%
2012 1.26% 1.67%
2011 1.24% 0.55%
2010 1.26% 0.27%
2009 1.25% 0.07%
2008 1.22% -0.11%
2007 1.65% -0.14%
2006 2.18% -0.15%
2005 2.24% -0.11%
2004 2.16% 0.01%
2003 1.11% -0.23%
2002 0.83% -0.47%
2001 1.56% -0.37%
2000 1.49% -0.19%
1999 1.43% -0.11%
1998 1.38% 0.01%
1997 1.21% 0.14%
1996 1.09% 0.18%
1995 1.11% 0.28%
1994 0.19% 0.35%
1993 0.36% 0.81%
1992 2% 1.74%
1991 2.75% 2.37%
1990 2.95% 2.47%
1989 2.96% 2.45%
1988 3.28% 2.45%
1987 3.65% 2.33%
1986 3.76% 2.23%
1985 3.74% 2.08%
1984 3.83% 1.96%
1983 3.97% 2.19%
1982 5.44% 2.56%
1981 5.39% 2.48%
1980 3.69% 2.42%
1979 3.5% 2.33%
1978 3.32% 1.88%
1977 3.15% 1.4%
1976 3.06% 1.1%
1975 3.07% 0.92%
1974 3% 0.83%
1973 2.97% 0.79%
1972 2.97% 0.74%
1971 3.03% 0.77%
1970 3.08% 1.96%
1969 3.05% 4%
1968 3.04% 3.15%
1967 3.09% 1.52%
1966 3.16% 3.62%
1965 3.19% 5.75%
1964 3.16% 5.53%
1963 3.12% 4.96%
1962 3.08% 4.29%
1961 3.05% 3.62%

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/iran/nauru | CC BY

In 2024, the population of Iran grew by 1.06%, while Nauru's population grew by 0.61%.

Live population counters

Iran Nauru
Current population
93468444
12125
Population rank 17/197 195/197
Percent of world population 1.13% 0.0001%
One net population change
32.9 seconds
5.07 days
One birth every
26.9 seconds
1.21 days
One death every
1.24 minutes
4.1 days
Daily growth/decline +2,627 +0
Annual growth/decline +959,031 +72
Annual growth/decline rate +1.06% +0.61%
Population growth rate rank 98/197 126/197
One migration net change every
4.51 minutes
3 days
Annual migration change +116,786 -122
Net migration rank 14/196 82/196
Foreign-born residents 3,840,654 2,548
Foreign-born residents rank 17/195 191/195
Foreign-born share of population 4.2% 21.3%
Foreign-born share rank 103/195 29/195

Natural population change vs migration

Iran
Natural

Migration
Nauru
Natural

Migration
1x
Year Population change
Iran Nauru
Natural Migration Natural Migration
2025 - 116,786 - -122
2024 - 190,156 - -121
2023 750,150 262,044 213 -148
2022 753,525 403,190 226 -144
2021 645,725 334,967 236 -137
2020 663,978 -180,680 246 -214
2019 893,063 -32,794 255 -171
2018 1,035,052 -27,946 265 -131
2017 1,140,549 34,849 279 -115
2016 1,186,949 66,630 289 -105
2015 1,178,317 -46,239 291 -86
2014 1,158,552 -56,042 290 -69
2013 1,119,533 -47,322 291 -53
2012 1,073,804 -57,823 292 -38
2011 1,023,925 -65,924 291 -206
2010 980,380 -12,849 281 -246
2009 958,322 211 261 -249
2008 940,983 -12,184 240 -243
2007 919,254 -24,950 222 -235
2006 884,529 640,932 209 -224
2005 837,305 765,873 204 -217
2004 801,203 739,996 202 -210
2003 732,600 700,222 201 -199
2002 752,205 -668,962 200 -247
2001 743,658 291,692 203 -252
2000 731,203 300,133 207 -236
1999 723,237 191,988 212 -227
1998 717,655 218,171 214 -217
1997 726,574 98,009 218 -209
1996 784,508 -92,435 221 -204
1995 879,648 -220,258 225 -201
1994 1,008,076 -297,487 229 -196
1993 1,219,658 -1,696,091 235 -194
1992 1,365,466 -451,945 237 -121
1991 1,495,594 -13,059 225 0
1990 1,530,434 200,711 214 20
1989 1,609,739 9,460 204 24
1988 1,614,512 30,688 195 29
1987 1,639,644 213,524 186 27
1986 1,659,289 242,411 178 21
1985 1,661,750 163,999 171 8
1984 1,653,051 97,748 166 -2
1983 1,573,612 204,544 163 -5
1982 1,514,240 222,390 162 30
1981 1,376,830 1,452,169 157 44
1980 1,361,293 103,674 145 44
1979 1,294,306 75,451 130 48
1978 1,156,974 70,088 111 40
1977 1,091,542 68,093 89 32
1976 1,013,347 18,825 79 0
1975 929,481 106,921 70 0
1974 873,369 103,252 63 0
1973 831,880 104,779 57 0
1972 804,043 96,614 53 0
1971 805,830 77,717 50 0
1970 794,612 89,757 49 0
1969 780,660 78,196 71 132
1968 743,992 69,342 116 180
1967 727,276 77,313 117 -28
1966 695,040 98,709 123 -32
1965 663,029 127,808 113 218
1964 635,589 121,817 100 203
1963 620,126 110,190 88 181
1962 595,538 96,332 75 158
1961 594,674 77,811 70 120
1960 584,060 54,041 72 76

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

GeoRank.org/population/iran/nauru | CC BY

Over the last 10 years, 92.5% of the population change in Iran is from natural causes (a gain of 9,405,860 people) and 7.46% is from migration (a gain of 757,979 people). In Nauru 66.2% is from natural causes (a gain of 2,590 people) and 33.8% is from migration (a loss of 1,320 people).

As of 2024, 3,840,654 residents or 4.2% of the population were not native-born in Iran, compared to 2,548 people or 21.3% in Nauru.

Biggest cities by population

Iran
City Population
Tehran 8.69M
Mashhad 3M
Isfahan 1.96M
Karaj 1.59M
Shiraz 1.57M
Tabriz 1.56M
Qom 1.2M
Ahvaz 1.18M
Kermanshah 947K
Urmia 736K
Nauru
City Population
Yaren 747

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/iran/nauru | 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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