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

Updated on by Georank

The latest officially reported population of Iran was 92,417,681 in 2025 vs 103,742 people in Tonga in 2025. In 2026, based on the adjusted UN estimation, the current Iran's population is 93,580,141 people compared to 103,283 in Tonga.

Population statistics:

  • Iran's population is 906 times bigger than Tonga's.
  • Iran is ranked the 17th most populous country in the world, while Tonga is the 183rd.
  • The countries together account for 1.13% of the world: 1.13% for Iran vs 0.001% for Tonga.
  • For the last 10 years, Iran has had an average growth rate of +1.15% per year vs -0.25% in Tonga.
  • Since 2006, the population of Iran has increased from 73.4M people to 93.6M (27.5% growth), while Tonga has declined from 106K to 103K (2.8% decline).

Iran vs Tonga: population by year and forecast

Iran
Factual

Projection
Tonga
Factual

Projection
1x
Year Population
Iran Tonga
2100 80,660,972 117,617
2099 81,193,582 117,585
2098 81,717,474 117,530
2097 82,241,892 117,492
2096 82,764,411 117,461
2095 83,283,942 117,383
2094 83,799,806 117,290
2093 84,316,389 117,207
2092 84,833,108 117,097
2091 85,354,240 116,983
2090 85,878,473 116,838
2089 86,409,859 116,682
2088 86,947,263 116,481
2087 87,492,427 116,277
2086 88,047,949 116,088
2085 88,610,339 115,872
2084 89,181,346 115,628
2083 89,758,453 115,336
2082 90,343,413 115,041
2081 90,936,310 114,752
2080 91,535,218 114,424
2079 92,136,544 114,074
2078 92,740,467 113,710
2077 93,344,865 113,349
2076 93,946,187 112,945
2075 94,544,733 112,565
2074 95,135,317 112,179
2073 95,721,351 111,790
2072 96,292,835 111,377
2071 96,851,951 110,963
2070 97,397,073 110,576
2069 97,924,812 110,209
2068 98,432,509 109,825
2067 98,913,776 109,446
2066 99,374,357 109,062
2065 99,812,137 108,736
2064 100,223,387 108,377
2063 100,602,361 108,033
2062 100,951,282 107,710
2061 101,266,537 107,396
2060 101,545,806 107,117
2059 101,792,315 106,842
2058 101,994,395 106,589
2057 102,161,227 106,345
2056 102,291,323 106,130
2055 102,382,089 105,915
2054 102,431,558 105,698
2053 102,441,204 105,486
2052 102,413,350 105,286
2051 102,350,865 105,079
2050 102,251,999 104,844
2049 102,122,983 104,636
2048 101,957,508 104,387
2047 101,765,614 104,154
2046 101,547,098 103,852
2045 101,305,486 103,548
2044 101,038,874 103,215
2043 100,752,109 102,934
2042 100,446,296 102,692
2041 100,122,690 102,447
2040 99,784,572 102,228
2039 99,436,793 102,061
2038 99,072,548 101,835
2037 98,694,577 101,707
2036 98,302,279 101,627
2035 97,899,013 101,580
2034 97,482,352 101,571
2033 97,054,589 101,591
2032 96,608,216 101,633
2031 96,141,200 101,764
2030 95,656,003 101,928
2029 95,133,736 102,181
2028 94,561,150 102,494
2027 93,925,792 102,841
2026 93,215,072 103,283
2025 92,417,681 103,742
2024 91,567,738 104,175
2023 90,608,707 104,597
2022 89,524,246 105,042
2021 88,455,488 105,490
2020 87,723,443 105,704
2019 87,051,648 105,669
2018 86,117,998 105,567
2017 85,026,754 105,356
2016 83,812,228 105,524
2015 82,619,362 106,095
2014 81,502,045 106,609
2013 80,414,686 107,078
2012 79,370,580 107,460
2011 78,383,598 107,570
2010 77,420,842 107,400
2009 76,457,825 107,203
2008 75,514,204 107,020
2007 74,602,648 106,726
2006 73,392,747 106,253
2005 71,828,455 105,671
2004 70,256,316 105,071
2003 68,769,340 104,464
2002 68,011,317 103,874
2001 67,452,005 103,288
2000 66,418,659 102,677
1999 65,445,391 102,046
1998 64,519,859 101,388
1997 63,639,638 100,674
1996 62,881,300 100,275
1995 62,205,567 100,225
1994 61,520,598 100,166
1993 61,403,543 100,103
1992 61,184,983 100,022
1991 59,986,931 99,895
1990 58,380,092 99,700
1989 56,704,914 99,403
1988 55,072,694 98,969
1987 53,323,493 98,376
1986 51,446,045 98,010
1985 49,582,289 97,984
1984 47,793,998 97,990
1983 46,029,535 97,998
1982 44,272,141 97,980
1981 41,989,312 97,909
1980 39,842,324 97,769
1979 38,424,952 97,544
1978 37,126,535 97,204
1977 35,933,181 96,725
1976 34,837,271 95,325
1975 33,802,973 93,017
1974 32,796,463 90,683
1973 31,839,838 88,805
1972 30,921,179 87,356
1971 30,029,071 85,896
1970 29,145,100 84,401
1969 28,273,482 82,885
1968 27,437,391 81,353
1967 26,628,432 79,814
1966 25,829,270 78,002
1965 25,036,978 75,924
1964 24,262,859 73,879
1963 23,519,005 71,885
1962 22,807,907 69,940
1961 22,125,726 68,037
1960 21,470,434 66,170

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/iran/tonga | CC BY

From 2006 to 2016, the population of Iran increased by 10,419,481 people (a 14.2% growth), while Tonga lost 729 people (a 0.69% decline).

For the next 10 years, from 2016 to 2026, Iran gained 9,767,913 people (a 11.7% growth), while Tonga's population decreased by 2,241 people (a 2.12% decline).

Iran was ranked 17th most populous country in 2006 and is still 17th in 2026. Tonga was ranked 182nd in 2006 and ranked 183rd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Iran's population will grow by 9.27% to 102,251,999 people with a rank change from 17th to 18th. The population of Tonga will increase by 1.51% to 104,844 people and will still be ranked 183rd.

Iran is projected to reach its peak in 2053 at 102M people compared to the peak of 118K people in 2100 for Tonga.

Population growth rate by year

Iran
Factual

Projection
Tonga
Factual

Projection
1x
Year Growth rate
Iran Tonga
2100 -0.66% 0.03%
2099 -0.64% 0.05%
2098 -0.64% 0.03%
2097 -0.63% 0.03%
2096 -0.62% 0.07%
2095 -0.62% 0.08%
2094 -0.61% 0.07%
2093 -0.61% 0.09%
2092 -0.61% 0.1%
2091 -0.61% 0.12%
2090 -0.61% 0.13%
2089 -0.62% 0.17%
2088 -0.62% 0.18%
2087 -0.63% 0.16%
2086 -0.63% 0.19%
2085 -0.64% 0.21%
2084 -0.64% 0.25%
2083 -0.65% 0.26%
2082 -0.65% 0.25%
2081 -0.65% 0.29%
2080 -0.65% 0.31%
2079 -0.65% 0.32%
2078 -0.65% 0.32%
2077 -0.64% 0.36%
2076 -0.63% 0.34%
2075 -0.62% 0.34%
2074 -0.61% 0.35%
2073 -0.59% 0.37%
2072 -0.58% 0.37%
2071 -0.56% 0.35%
2070 -0.54% 0.33%
2069 -0.52% 0.35%
2068 -0.49% 0.35%
2067 -0.46% 0.35%
2066 -0.44% 0.3%
2065 -0.41% 0.33%
2064 -0.38% 0.32%
2063 -0.35% 0.3%
2062 -0.31% 0.29%
2061 -0.28% 0.26%
2060 -0.24% 0.26%
2059 -0.2% 0.24%
2058 -0.16% 0.23%
2057 -0.13% 0.2%
2056 -0.09% 0.2%
2055 -0.05% 0.2%
2054 -0.009% 0.2%
2053 0.03% 0.19%
2052 0.06% 0.2%
2051 0.1% 0.22%
2050 0.13% 0.2%
2049 0.16% 0.24%
2048 0.19% 0.22%
2047 0.22% 0.29%
2046 0.24% 0.29%
2045 0.26% 0.32%
2044 0.28% 0.27%
2043 0.3% 0.24%
2042 0.32% 0.24%
2041 0.34% 0.21%
2040 0.35% 0.16%
2039 0.37% 0.22%
2038 0.38% 0.13%
2037 0.4% 0.08%
2036 0.41% 0.05%
2035 0.43% 0.009%
2034 0.44% -0.02%
2033 0.46% -0.04%
2032 0.49% -0.13%
2031 0.51% -0.16%
2030 0.55% -0.25%
2029 0.61% -0.31%
2028 0.68% -0.34%
2027 0.76% -0.43%
2026 0.86% -0.44%
2025 0.93% -0.42%
2024 1.06% -0.4%
2023 1.21% -0.42%
2022 1.21% -0.42%
2021 0.83% -0.2%
2020 0.77% 0.03%
2019 1.08% 0.1%
2018 1.28% 0.2%
2017 1.45% -0.16%
2016 1.44% -0.54%
2015 1.37% -0.48%
2014 1.35% -0.44%
2013 1.32% -0.36%
2012 1.26% -0.1%
2011 1.24% 0.16%
2010 1.26% 0.18%
2009 1.25% 0.17%
2008 1.22% 0.28%
2007 1.65% 0.45%
2006 2.18% 0.55%
2005 2.24% 0.57%
2004 2.16% 0.58%
2003 1.11% 0.57%
2002 0.83% 0.57%
2001 1.56% 0.6%
2000 1.49% 0.62%
1999 1.43% 0.65%
1998 1.38% 0.71%
1997 1.21% 0.4%
1996 1.09% 0.05%
1995 1.11% 0.06%
1994 0.19% 0.06%
1993 0.36% 0.08%
1992 2% 0.13%
1991 2.75% 0.2%
1990 2.95% 0.3%
1989 2.96% 0.44%
1988 3.28% 0.6%
1987 3.65% 0.37%
1986 3.76% 0.03%
1985 3.74% -0.006%
1984 3.83% -0.008%
1983 3.97% 0.02%
1982 5.44% 0.07%
1981 5.39% 0.14%
1980 3.69% 0.23%
1979 3.5% 0.35%
1978 3.32% 0.5%
1977 3.15% 1.47%
1976 3.06% 2.48%
1975 3.07% 2.57%
1974 3% 2.11%
1973 2.97% 1.66%
1972 2.97% 1.7%
1971 3.03% 1.77%
1970 3.08% 1.83%
1969 3.05% 1.88%
1968 3.04% 1.93%
1967 3.09% 2.32%
1966 3.16% 2.74%
1965 3.19% 2.77%
1964 3.16% 2.77%
1963 3.12% 2.78%
1962 3.08% 2.8%
1961 3.05% 2.82%

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/iran/tonga | CC BY

In 2025, the population of Iran grew by 0.93%, while Tonga's population declined by 0.42%.

Live population counters

Iran Tonga
Current population
93580141
103283
Population rank 17/197 183/197
Percent of world population 1.13% 0.001%
One net population change
37.2 seconds
20.3 hours
One birth every
27.4 seconds
3.65 hours
One death every
1.21 minutes
13.1 hours
Daily growth/decline +2,329 -1
Annual growth/decline +849,943 -433
Annual growth/decline rate +0.93% -0.42%
Population growth rate rank 103/197 181/197
One migration net change every
4.51 minutes
4.09 hours
Annual migration change +116,786 -2,150
Net migration rank 14/196 99/196
Foreign-born residents 3,840,654 3,581
Foreign-born residents rank 17/195 187/195
Foreign-born share of population 4.2% 3.4%
Foreign-born share rank 103/195 113/195

Natural population change vs migration

Iran
Natural

Migration
Tonga
Natural

Migration
1x
Year Population change
Iran Tonga
Natural Migration Natural Migration
2025 - 116,786 - -2,150
2024 715,785 190,156 1,729 -2,149
2023 750,150 262,044 1,744 -2,173
2022 753,525 403,190 1,772 -2,218
2021 645,725 334,967 1,773 -2,220
2020 663,978 -180,680 1,816 -1,807
2019 893,063 -32,794 1,841 -1,778
2018 1,035,052 -27,946 1,873 -1,723
2017 1,140,549 34,849 1,912 -1,642
2016 1,186,949 66,630 1,989 -2,591
2015 1,178,317 -46,239 2,064 -2,610
2014 1,158,552 -56,042 2,135 -2,622
2013 1,119,533 -47,322 2,199 -2,637
2012 1,073,804 -57,823 2,255 -2,578
2011 1,023,925 -65,924 2,298 -2,198
2010 980,380 -12,849 2,332 -2,097
2009 958,322 211 2,358 -2,204
2008 940,983 -12,184 2,397 -2,177
2007 919,254 -24,950 2,423 -2,057
2006 884,529 640,932 2,459 -1,875
2005 837,305 765,873 2,495 -1,906
2004 801,203 739,996 2,478 -1,876
2003 732,600 700,222 2,448 -1,844
2002 752,205 -668,962 2,396 -1,815
2001 743,658 291,692 2,358 -1,766
2000 731,203 300,133 2,346 -1,721
1999 723,237 191,988 2,352 -1,710
1998 717,655 218,171 2,344 -1,665
1997 726,574 98,009 2,332 -1,589
1996 784,508 -92,435 2,393 -2,338
1995 879,648 -220,258 2,476 -2,422
1994 1,008,076 -297,487 2,547 -2,484
1993 1,219,658 -1,696,091 2,594 -2,532
1992 1,365,466 -451,945 2,622 -2,524
1991 1,495,594 -13,059 2,637 -2,484
1990 1,530,434 200,711 2,641 -2,409
1989 1,609,739 9,460 2,644 -2,280
1988 1,614,512 30,688 2,649 -2,138
1987 1,639,644 213,524 2,646 -1,970
1986 1,659,289 242,411 2,704 -2,650
1985 1,661,750 163,999 2,762 -2,775
1984 1,653,051 97,748 2,814 -2,823
1983 1,573,612 204,544 2,840 -2,840
1982 1,514,240 222,390 2,853 -2,814
1981 1,376,830 1,452,169 2,882 -2,778
1980 1,361,293 103,674 2,885 -2,708
1979 1,294,306 75,451 2,884 -2,604
1978 1,156,974 70,088 2,862 -2,457
1977 1,091,542 68,093 2,822 -2,273
1976 1,013,347 18,825 2,769 -523
1975 929,481 106,921 2,709 -346
1974 873,369 103,252 2,650 -344
1973 831,880 104,779 2,617 -1,168
1972 804,043 96,614 2,605 -1,153
1971 805,830 77,717 2,611 -1,138
1970 794,612 89,757 2,628 -1,122
1969 780,660 78,196 2,632 -1,101
1968 743,992 69,342 2,614 -1,078
1967 727,276 77,313 2,603 -1,060
1966 695,040 98,709 2,550 -465
1965 663,029 127,808 2,498 -426
1964 635,589 121,817 2,445 -428
1963 620,126 110,190 2,394 -426
1962 595,538 96,332 2,343 -420
1961 594,674 77,811 2,284 -401
1960 584,060 54,041 2,230 -384

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

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

Over the last 10 years, 89.9% of the population change in Iran is from natural causes (a gain of 8,963,093 people) and 10.1% is from migration (a gain of 1,004,177 people). In Tonga 47% is from natural causes (a gain of 18,513 people) and 53% is from migration (a loss of 20,911 people).

As of 2024, 3,840,654 residents or 4.2% of the population were not native-born in Iran, compared to 3,581 people or 3.4% in Tonga.

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
Tonga
City Population
Nukualofa 23.2K
Mua 5K

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/iran/tonga | 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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