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

Updated on by Georank

The latest officially reported population of Australia was 27,614,411 in 2025 vs 92,417,681 people in Iran in 2025. In 2026, based on the adjusted UN estimation, the current Australia's population is 28,010,980 people compared to 93,580,141 in Iran.

Population statistics:

  • Iran's population is 3.34 times bigger than Australia's.
  • Australia is ranked the 55th most populous country in the world, while Iran is the 17th.
  • The countries together account for 1.46% of the world: 0.34% for Australia vs 1.13% for Iran.
  • For the last 10 years, Australia has had an average growth rate of +1.49% per year vs +1.15% in Iran.
  • Since 2006, the population of Australia has increased from 20.5M people to 28M (37% growth), while Iran has grown from 73.4M to 93.6M (27.5% growth).

Australia vs Iran: population by year and forecast

Australia
Factual

Projection
Iran
Factual

Projection
1x
Year Population
Australia Iran
2100 44,268,623 80,660,972
2099 44,045,424 81,193,582
2098 43,816,219 81,717,474
2097 43,573,042 82,241,892
2096 43,335,272 82,764,411
2095 43,106,279 83,283,942
2094 42,884,039 83,799,806
2093 42,648,686 84,316,389
2092 42,410,825 84,833,108
2091 42,168,735 85,354,240
2090 41,927,939 85,878,473
2089 41,695,112 86,409,859
2088 41,454,360 86,947,263
2087 41,226,316 87,492,427
2086 41,005,658 88,047,949
2085 40,792,190 88,610,339
2084 40,580,657 89,181,346
2083 40,356,871 89,758,453
2082 40,140,558 90,343,413
2081 39,916,925 90,936,310
2080 39,703,296 91,535,218
2079 39,489,029 92,136,544
2078 39,273,623 92,740,467
2077 39,056,566 93,344,865
2076 38,845,418 93,946,187
2075 38,632,596 94,544,733
2074 38,418,045 95,135,317
2073 38,207,153 95,721,351
2072 37,999,068 96,292,835
2071 37,792,119 96,851,951
2070 37,578,242 97,397,073
2069 37,359,215 97,924,812
2068 37,138,635 98,432,509
2067 36,919,449 98,913,776
2066 36,701,629 99,374,357
2065 36,492,733 99,812,137
2064 36,290,454 100,223,387
2063 36,076,918 100,602,361
2062 35,866,124 100,951,282
2061 35,656,154 101,266,537
2060 35,450,525 101,545,806
2059 35,244,589 101,792,315
2058 35,027,089 101,994,395
2057 34,817,156 102,161,227
2056 34,607,988 102,291,323
2055 34,393,278 102,382,089
2054 34,179,940 102,431,558
2053 33,970,136 102,441,204
2052 33,760,935 102,413,350
2051 33,546,695 102,350,865
2050 33,330,712 102,251,999
2049 33,115,090 102,122,983
2048 32,887,237 101,957,508
2047 32,671,939 101,765,614
2046 32,443,408 101,547,098
2045 32,220,633 101,305,486
2044 32,001,023 101,038,874
2043 31,780,612 100,752,109
2042 31,556,888 100,446,296
2041 31,336,104 100,122,690
2040 31,119,045 99,784,572
2039 30,906,074 99,436,793
2038 30,686,214 99,072,548
2037 30,471,145 98,694,577
2036 30,247,954 98,302,279
2035 30,023,790 97,899,013
2034 29,801,152 97,482,352
2033 29,576,548 97,054,589
2032 29,349,199 96,608,216
2031 29,115,445 96,141,200
2030 28,877,548 95,656,003
2029 28,638,212 95,133,736
2028 28,388,452 94,561,150
2027 28,135,058 93,925,792
2026 27,879,933 93,215,072
2025 27,614,411 92,417,681
2024 27,194,286 91,567,738
2023 26,659,922 90,608,707
2022 26,018,721 89,524,246
2021 25,685,412 88,455,488
2020 25,649,248 87,723,443
2019 25,334,826 87,051,648
2018 24,963,258 86,117,998
2017 24,592,588 85,026,754
2016 24,190,907 83,812,228
2015 23,815,995 82,619,362
2014 23,475,686 81,502,045
2013 23,128,129 80,414,686
2012 22,733,465 79,370,580
2011 22,340,024 78,383,598
2010 22,031,750 77,420,842
2009 21,691,653 76,457,825
2008 21,249,199 75,514,204
2007 20,827,622 74,602,648
2006 20,450,966 73,392,747
2005 20,176,844 71,828,455
2004 19,932,722 70,256,316
2003 19,720,737 68,769,340
2002 19,495,210 68,011,317
2001 19,274,701 67,452,005
2000 19,028,802 66,418,659
1999 18,812,264 65,445,391
1998 18,607,584 64,519,859
1997 18,423,037 63,639,638
1996 18,224,767 62,881,300
1995 18,004,882 62,205,567
1994 17,805,468 61,520,598
1993 17,634,808 61,403,543
1992 17,478,635 61,184,983
1991 17,284,036 59,986,931
1990 17,065,128 58,380,092
1989 16,814,416 56,704,914
1988 16,532,164 55,072,694
1987 16,263,874 53,323,493
1986 16,018,350 51,446,045
1985 15,788,312 49,582,289
1984 15,579,391 47,793,998
1983 15,393,472 46,029,535
1982 15,184,247 44,272,141
1981 14,923,260 41,989,312
1980 14,692,000 39,842,324
1979 14,514,000 38,424,952
1978 14,358,000 37,126,535
1977 14,192,000 35,933,181
1976 14,033,000 34,837,271
1975 13,893,000 33,802,973
1974 13,723,000 32,796,463
1973 13,380,000 31,839,838
1972 13,177,000 30,921,179
1971 12,937,000 30,029,071
1970 12,507,000 29,145,100
1969 12,263,000 28,273,482
1968 12,009,000 27,437,391
1967 11,799,000 26,628,432
1966 11,651,000 25,829,270
1965 11,388,000 25,036,978
1964 11,167,000 24,262,859
1963 10,950,000 23,519,005
1962 10,742,000 22,807,907
1961 10,483,000 22,125,726
1960 10,276,477 21,470,434

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/australia/iran | CC BY

From 2006 to 2016, the population of Australia increased by 3,739,941 people (a 18.3% growth), while Iran gained 10,419,481 people (a 14.2% growth).

For the next 10 years, from 2016 to 2026, Australia gained 3,820,073 people (a 15.8% growth), while Iran's population increased by 9,767,913 people (a 11.7% growth).

Australia was ranked 54th most populous country in 2006 and is 55th in 2026. Iran was ranked 17th in 2006 and still ranked 17th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Australia's population will grow by 19% to 33,330,712 people with a rank change from 55th to 59th. The population of Iran will increase by 9.27% to 102,251,999 people and rank change from 17th to 18th.

Australia is projected to reach its peak in 2100 at 44.3M people compared to the peak of 102M people in 2053 for Iran.

Population growth rate by year

Australia
Factual

Projection
Iran
Factual

Projection
1x
Year Growth rate
Australia Iran
2100 0.51% -0.66%
2099 0.52% -0.64%
2098 0.56% -0.64%
2097 0.55% -0.63%
2096 0.53% -0.62%
2095 0.52% -0.62%
2094 0.55% -0.61%
2093 0.56% -0.61%
2092 0.57% -0.61%
2091 0.57% -0.61%
2090 0.56% -0.61%
2089 0.58% -0.62%
2088 0.55% -0.62%
2087 0.54% -0.63%
2086 0.52% -0.63%
2085 0.52% -0.64%
2084 0.55% -0.64%
2083 0.54% -0.65%
2082 0.56% -0.65%
2081 0.54% -0.65%
2080 0.54% -0.65%
2079 0.55% -0.65%
2078 0.56% -0.65%
2077 0.54% -0.64%
2076 0.55% -0.63%
2075 0.56% -0.62%
2074 0.55% -0.61%
2073 0.55% -0.59%
2072 0.55% -0.58%
2071 0.57% -0.56%
2070 0.59% -0.54%
2069 0.59% -0.52%
2068 0.59% -0.49%
2067 0.59% -0.46%
2066 0.57% -0.44%
2065 0.56% -0.41%
2064 0.59% -0.38%
2063 0.59% -0.35%
2062 0.59% -0.31%
2061 0.58% -0.28%
2060 0.58% -0.24%
2059 0.62% -0.2%
2058 0.6% -0.16%
2057 0.6% -0.13%
2056 0.62% -0.09%
2055 0.62% -0.05%
2054 0.62% -0.009%
2053 0.62% 0.03%
2052 0.64% 0.06%
2051 0.65% 0.1%
2050 0.65% 0.13%
2049 0.69% 0.16%
2048 0.66% 0.19%
2047 0.7% 0.22%
2046 0.69% 0.24%
2045 0.69% 0.26%
2044 0.69% 0.28%
2043 0.71% 0.3%
2042 0.7% 0.32%
2041 0.7% 0.34%
2040 0.69% 0.35%
2039 0.72% 0.37%
2038 0.71% 0.38%
2037 0.74% 0.4%
2036 0.75% 0.41%
2035 0.75% 0.43%
2034 0.76% 0.44%
2033 0.77% 0.46%
2032 0.8% 0.49%
2031 0.82% 0.51%
2030 0.84% 0.55%
2029 0.88% 0.61%
2028 0.9% 0.68%
2027 0.92% 0.76%
2026 0.96% 0.86%
2025 1.54% 0.93%
2024 2% 1.06%
2023 2.46% 1.21%
2022 1.3% 1.21%
2021 0.14% 0.83%
2020 1.24% 0.77%
2019 1.49% 1.08%
2018 1.51% 1.28%
2017 1.66% 1.45%
2016 1.57% 1.44%
2015 1.45% 1.37%
2014 1.5% 1.35%
2013 1.74% 1.32%
2012 1.76% 1.26%
2011 1.4% 1.24%
2010 1.57% 1.26%
2009 2.08% 1.25%
2008 2.02% 1.22%
2007 1.84% 1.65%
2006 1.36% 2.18%
2005 1.22% 2.24%
2004 1.07% 2.16%
2003 1.16% 1.11%
2002 1.14% 0.83%
2001 1.29% 1.56%
2000 1.15% 1.49%
1999 1.1% 1.43%
1998 1% 1.38%
1997 1.09% 1.21%
1996 1.22% 1.09%
1995 1.12% 1.11%
1994 0.97% 0.19%
1993 0.89% 0.36%
1992 1.13% 2%
1991 1.28% 2.75%
1990 1.49% 2.95%
1989 1.71% 2.96%
1988 1.65% 3.28%
1987 1.53% 3.65%
1986 1.46% 3.76%
1985 1.34% 3.74%
1984 1.21% 3.83%
1983 1.38% 3.97%
1982 1.75% 5.44%
1981 1.57% 5.39%
1980 1.23% 3.69%
1979 1.09% 3.5%
1978 1.17% 3.32%
1977 1.13% 3.15%
1976 1.01% 3.06%
1975 1.24% 3.07%
1974 2.56% 3%
1973 1.54% 2.97%
1972 1.86% 2.97%
1971 3.44% 3.03%
1970 1.99% 3.08%
1969 2.12% 3.05%
1968 1.78% 3.04%
1967 1.27% 3.09%
1966 2.31% 3.16%
1965 1.98% 3.19%
1964 1.98% 3.16%
1963 1.94% 3.12%
1962 2.47% 3.08%
1961 2.01% 3.05%

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/australia/iran | CC BY

In 2025, the population of Australia grew by 1.54%, while Iran's population grew by 0.93%.

Live population counters

Australia Iran
Current population
28010980
93580141
Population rank 55/197 17/197
Percent of world population 0.34% 1.13%
One net population change
1.25 minutes
37.2 seconds
One birth every
1.81 minutes
27.4 seconds
One death every
2.81 minutes
1.21 minutes
Daily growth/decline +1,151 +2,329
Annual growth/decline +420,125 +849,943
Annual growth/decline rate +1.54% +0.93%
Population growth rate rank 68/197 103/197
One migration net change every
3.84 minutes
4.51 minutes
Annual migration change +137,109 +116,786
Net migration rank 11/196 14/196
Foreign-born residents 8,111,404 3,840,654
Foreign-born residents rank 9/195 17/195
Foreign-born share of population 30.4% 4.2%
Foreign-born share rank 18/195 103/195

Natural population change vs migration

Australia
Natural

Migration
Iran
Natural

Migration
1x
Year Population change
Australia Iran
Natural Migration Natural Migration
2025 - 137,109 - 116,786
2024 103,773 138,510 715,785 190,156
2023 104,641 140,232 750,150 262,044
2022 111,881 140,972 753,525 403,190
2021 138,701 116,768 645,725 334,967
2020 133,376 44,447 663,978 -180,680
2019 136,808 207,142 893,063 -32,794
2018 157,269 226,412 1,035,052 -27,946
2017 150,015 255,023 1,140,549 34,849
2016 152,403 254,648 1,186,949 66,630
2015 150,041 212,350 1,178,317 -46,239
2014 154,940 200,177 1,158,552 -56,042
2013 159,584 215,823 1,119,533 -47,322
2012 161,408 235,776 1,073,804 -57,823
2011 156,380 197,657 1,023,925 -65,924
2010 158,628 166,752 980,380 -12,849
2009 160,518 235,628 958,322 211
2008 155,119 275,773 940,983 -12,184
2007 154,124 249,873 919,254 -24,950
2006 132,931 191,985 884,529 640,932
2005 129,132 131,371 837,305 765,873
2004 115,610 110,072 801,203 739,996
2003 118,325 104,437 732,600 700,222
2002 116,971 108,852 752,205 -668,962
2001 117,575 117,552 743,658 291,692
2000 119,882 111,186 731,203 300,133
1999 118,517 92,900 723,237 191,988
1998 120,949 81,310 717,655 218,171
1997 121,592 67,661 726,574 98,009
1996 125,751 82,965 784,508 -92,435
1995 131,436 80,456 879,648 -220,258
1994 131,761 51,941 1,008,076 -297,487
1993 137,551 23,833 1,219,658 -1,696,091
1992 139,829 40,767 1,365,466 -451,945
1991 138,273 68,847 1,495,594 -13,059
1990 143,347 100,093 1,530,434 200,711
1989 127,789 144,042 1,609,739 9,460
1988 127,298 153,330 1,614,512 30,688
1987 128,484 136,421 1,639,644 213,524
1986 123,342 113,061 1,659,289 242,411
1985 143,674 98,327 1,661,750 163,999
1984 123,077 79,617 1,653,051 97,748
1983 130,844 73,251 1,573,612 204,544
1982 126,030 111,722 1,514,240 222,390
1981 125,356 121,921 1,376,830 1,452,169
1980 117,536 89,189 1,361,293 103,674
1979 116,112 52,137 1,294,306 75,451
1978 116,299 45,832 1,156,974 70,088
1977 117,793 44,946 1,091,542 68,093
1976 115,070 32,792 1,013,347 18,825
1975 123,648 25,336 929,481 106,921
1974 128,996 56,167 873,369 103,252
1973 136,476 62,928 831,880 104,779
1972 155,488 54,895 804,043 96,614
1971 165,593 223,991 805,830 77,717
1970 145,081 256,295 794,612 89,757
1969 143,477 108,770 780,660 78,196
1968 132,099 100,963 743,992 69,342
1967 126,249 80,904 727,276 77,313
1966 126,996 110,864 695,040 98,709
1965 122,990 118,891 663,029 127,808
1964 128,420 91,588 635,589 121,817
1963 140,161 73,237 620,126 110,190
1962 143,943 58,315 595,538 96,332
1961 150,955 64,495 594,674 77,811
1960 141,816 85,707 584,060 54,041

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

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

Over the last 10 years, 43.5% of the population change in Australia is from natural causes (a gain of 1,338,908 people) and 56.5% is from migration (a gain of 1,736,504 people). In Iran 89.9% is from natural causes (a gain of 8,963,093 people) and 10.1% is from migration (a gain of 1,004,177 people).

As of 2024, 8,111,404 residents or 30.4% of the population were not native-born in Australia, compared to 3,840,654 people or 4.2% in Iran.

Biggest cities by population

Australia
City Population
Sydney 5.45M
Melbourne 5.35M
Brisbane 2.71M
Perth 2.14M
Adelaide 1.39M
Gold Coast 608K
Canberra 381K
Sunshine Coast 284K
Wollongong 262K
Ipswich 233K
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

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/australia/iran | 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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