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

Updated on by Georank

The latest officially reported population of Iran was 92,417,681 in 2025 vs 6,111,175 people in Singapore in 2025. In 2026, based on the adjusted UN estimation, the current Iran's population is 93,580,141 people compared to 6,167,445 in Singapore.

Population statistics:

  • Iran's population is 15.2 times bigger than Singapore's.
  • Iran is ranked the 17th most populous country in the world, while Singapore is the 113th.
  • The countries together account for 1.2% of the world: 1.13% for Iran vs 0.07% for Singapore.
  • For the last 10 years, Iran has had an average growth rate of +1.15% per year vs +1.04% in Singapore.
  • Since 2006, the population of Iran has increased from 73.4M people to 93.6M (27.5% growth), while Singapore has grown from 4.4M to 6.17M (40.1% growth).

Iran vs Singapore: population by year and forecast

Iran
Factual

Projection
Singapore
Factual

Projection
1x
Year Population
Iran Singapore
2100 80,660,972 4,367,779
2099 81,193,582 4,411,412
2098 81,717,474 4,459,213
2097 82,241,892 4,507,770
2096 82,764,411 4,558,553
2095 83,283,942 4,610,080
2094 83,799,806 4,664,700
2093 84,316,389 4,718,168
2092 84,833,108 4,771,068
2091 85,354,240 4,828,101
2090 85,878,473 4,885,895
2089 86,409,859 4,946,502
2088 86,947,263 5,004,664
2087 87,492,427 5,063,944
2086 88,047,949 5,124,380
2085 88,610,339 5,183,406
2084 89,181,346 5,240,616
2083 89,758,453 5,298,156
2082 90,343,413 5,356,138
2081 90,936,310 5,412,770
2080 91,535,218 5,467,479
2079 92,136,544 5,521,442
2078 92,740,467 5,571,799
2077 93,344,865 5,619,705
2076 93,946,187 5,663,197
2075 94,544,733 5,710,629
2074 95,135,317 5,756,364
2073 95,721,351 5,795,230
2072 96,292,835 5,831,071
2071 96,851,951 5,864,860
2070 97,397,073 5,895,880
2069 97,924,812 5,928,650
2068 98,432,509 5,959,740
2067 98,913,776 5,988,217
2066 99,374,357 6,021,266
2065 99,812,137 6,052,854
2064 100,223,387 6,079,559
2063 100,602,361 6,102,106
2062 100,951,282 6,126,791
2061 101,266,537 6,149,980
2060 101,545,806 6,175,566
2059 101,792,315 6,196,576
2058 101,994,395 6,219,117
2057 102,161,227 6,236,905
2056 102,291,323 6,255,191
2055 102,382,089 6,274,008
2054 102,431,558 6,295,405
2053 102,441,204 6,311,683
2052 102,413,350 6,324,118
2051 102,350,865 6,341,435
2050 102,251,999 6,359,963
2049 102,122,983 6,376,972
2048 101,957,508 6,390,246
2047 101,765,614 6,408,209
2046 101,547,098 6,422,503
2045 101,305,486 6,434,477
2044 101,038,874 6,447,538
2043 100,752,109 6,455,584
2042 100,446,296 6,462,372
2041 100,122,690 6,468,000
2040 99,784,572 6,469,582
2039 99,436,793 6,466,204
2038 99,072,548 6,457,329
2037 98,694,577 6,445,649
2036 98,302,279 6,433,599
2035 97,899,013 6,417,210
2034 97,482,352 6,395,064
2033 97,054,589 6,367,864
2032 96,608,216 6,340,911
2031 96,141,200 6,311,853
2030 95,656,003 6,284,466
2029 95,133,736 6,254,860
2028 94,561,150 6,220,267
2027 93,925,792 6,184,266
2026 93,215,072 6,149,680
2025 92,417,681 6,111,175
2024 91,567,738 6,036,860
2023 90,608,707 5,917,648
2022 89,524,246 5,637,022
2021 88,455,488 5,453,566
2020 87,723,443 5,685,807
2019 87,051,648 5,703,569
2018 86,117,998 5,638,676
2017 85,026,754 5,612,253
2016 83,812,228 5,607,283
2015 82,619,362 5,535,002
2014 81,502,045 5,469,724
2013 80,414,686 5,399,162
2012 79,370,580 5,312,437
2011 78,383,598 5,183,688
2010 77,420,842 5,076,732
2009 76,457,825 4,987,573
2008 75,514,204 4,839,396
2007 74,602,648 4,588,599
2006 73,392,747 4,401,365
2005 71,828,455 4,265,762
2004 70,256,316 4,166,664
2003 68,769,340 4,114,826
2002 68,011,317 4,175,950
2001 67,452,005 4,138,012
2000 66,418,659 4,027,887
1999 65,445,391 3,958,723
1998 64,519,859 3,927,213
1997 63,639,638 3,796,038
1996 62,881,300 3,670,704
1995 62,205,567 3,524,506
1994 61,520,598 3,419,048
1993 61,403,543 3,313,471
1992 61,184,983 3,230,698
1991 59,986,931 3,135,083
1990 58,380,092 3,047,132
1989 56,704,914 2,930,901
1988 55,072,694 2,846,108
1987 53,323,493 2,774,789
1986 51,446,045 2,733,373
1985 49,582,289 2,735,957
1984 47,793,998 2,732,221
1983 46,029,535 2,681,061
1982 44,272,141 2,646,466
1981 41,989,312 2,532,835
1980 39,842,324 2,413,945
1979 38,424,952 2,383,500
1978 37,126,535 2,353,600
1977 35,933,181 2,325,300
1976 34,837,271 2,293,300
1975 33,802,973 2,262,600
1974 32,796,463 2,229,800
1973 31,839,838 2,193,000
1972 30,921,179 2,152,400
1971 30,029,071 2,112,900
1970 29,145,100 2,074,507
1969 28,273,482 2,042,500
1968 27,437,391 2,012,000
1967 26,628,432 1,977,600
1966 25,829,270 1,934,400
1965 25,036,978 1,886,900
1964 24,262,859 1,841,600
1963 23,519,005 1,795,000
1962 22,807,907 1,750,200
1961 22,125,726 1,702,400
1960 21,470,434 1,646,400

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/singapore | CC BY

From 2006 to 2016, the population of Iran increased by 10,419,481 people (a 14.2% growth), while Singapore gained 1,205,918 people (a 27.4% growth).

For the next 10 years, from 2016 to 2026, Iran gained 9,767,913 people (a 11.7% growth), while Singapore's population increased by 560,162 people (a 9.99% growth).

Iran was ranked 17th most populous country in 2006 and is still 17th in 2026. Singapore was ranked 117th in 2006 and ranked 113th 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 Singapore will increase by 3.12% to 6,359,963 people and rank change from 113th to 117th.

Iran is projected to reach its peak in 2053 at 102M people compared to the peak of 6.47M people in 2040 for Singapore.

Population growth rate by year

Iran
Factual

Projection
Singapore
Factual

Projection
1x
Year Growth rate
Iran Singapore
2100 -0.66% -0.99%
2099 -0.64% -1.07%
2098 -0.64% -1.08%
2097 -0.63% -1.11%
2096 -0.62% -1.12%
2095 -0.62% -1.17%
2094 -0.61% -1.13%
2093 -0.61% -1.11%
2092 -0.61% -1.18%
2091 -0.61% -1.18%
2090 -0.61% -1.23%
2089 -0.62% -1.16%
2088 -0.62% -1.17%
2087 -0.63% -1.18%
2086 -0.63% -1.14%
2085 -0.64% -1.09%
2084 -0.64% -1.09%
2083 -0.65% -1.08%
2082 -0.65% -1.05%
2081 -0.65% -1%
2080 -0.65% -0.98%
2079 -0.65% -0.9%
2078 -0.65% -0.85%
2077 -0.64% -0.77%
2076 -0.63% -0.83%
2075 -0.62% -0.79%
2074 -0.61% -0.67%
2073 -0.59% -0.61%
2072 -0.58% -0.58%
2071 -0.56% -0.53%
2070 -0.54% -0.55%
2069 -0.52% -0.52%
2068 -0.49% -0.48%
2067 -0.46% -0.55%
2066 -0.44% -0.52%
2065 -0.41% -0.44%
2064 -0.38% -0.37%
2063 -0.35% -0.4%
2062 -0.31% -0.38%
2061 -0.28% -0.41%
2060 -0.24% -0.34%
2059 -0.2% -0.36%
2058 -0.16% -0.29%
2057 -0.13% -0.29%
2056 -0.09% -0.3%
2055 -0.05% -0.34%
2054 -0.009% -0.26%
2053 0.03% -0.2%
2052 0.06% -0.27%
2051 0.1% -0.29%
2050 0.13% -0.27%
2049 0.16% -0.21%
2048 0.19% -0.28%
2047 0.22% -0.22%
2046 0.24% -0.19%
2045 0.26% -0.2%
2044 0.28% -0.12%
2043 0.3% -0.11%
2042 0.32% -0.09%
2041 0.34% -0.02%
2040 0.35% 0.05%
2039 0.37% 0.14%
2038 0.38% 0.18%
2037 0.4% 0.19%
2036 0.41% 0.26%
2035 0.43% 0.35%
2034 0.44% 0.43%
2033 0.46% 0.43%
2032 0.49% 0.46%
2031 0.51% 0.44%
2030 0.55% 0.47%
2029 0.61% 0.56%
2028 0.68% 0.58%
2027 0.76% 0.56%
2026 0.86% 0.63%
2025 0.93% 1.23%
2024 1.06% 2.01%
2023 1.21% 4.98%
2022 1.21% 3.36%
2021 0.83% -4.08%
2020 0.77% -0.31%
2019 1.08% 1.15%
2018 1.28% 0.47%
2017 1.45% 0.09%
2016 1.44% 1.31%
2015 1.37% 1.19%
2014 1.35% 1.31%
2013 1.32% 1.63%
2012 1.26% 2.48%
2011 1.24% 2.11%
2010 1.26% 1.79%
2009 1.25% 3.06%
2008 1.22% 5.47%
2007 1.65% 4.25%
2006 2.18% 3.18%
2005 2.24% 2.38%
2004 2.16% 1.26%
2003 1.11% -1.46%
2002 0.83% 0.92%
2001 1.56% 2.73%
2000 1.49% 1.75%
1999 1.43% 0.8%
1998 1.38% 3.46%
1997 1.21% 3.41%
1996 1.09% 4.15%
1995 1.11% 3.08%
1994 0.19% 3.19%
1993 0.36% 2.56%
1992 2% 3.05%
1991 2.75% 2.89%
1990 2.95% 3.97%
1989 2.96% 2.98%
1988 3.28% 2.57%
1987 3.65% 1.52%
1986 3.76% -0.09%
1985 3.74% 0.14%
1984 3.83% 1.91%
1983 3.97% 1.31%
1982 5.44% 4.49%
1981 5.39% 4.93%
1980 3.69% 1.28%
1979 3.5% 1.27%
1978 3.32% 1.22%
1977 3.15% 1.4%
1976 3.06% 1.36%
1975 3.07% 1.47%
1974 3% 1.68%
1973 2.97% 1.89%
1972 2.97% 1.87%
1971 3.03% 1.85%
1970 3.08% 1.57%
1969 3.05% 1.52%
1968 3.04% 1.74%
1967 3.09% 2.23%
1966 3.16% 2.52%
1965 3.19% 2.46%
1964 3.16% 2.6%
1963 3.12% 2.56%
1962 3.08% 2.81%
1961 3.05% 3.4%

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/singapore | CC BY

In 2025, the population of Iran grew by 0.93%, while Singapore's population grew by 1.23%.

Live population counters

Iran Singapore
Current population
93580141
6167445
Population rank 17/197 113/197
Percent of world population 1.13% 0.07%
One net population change
37.2 seconds
7.09 minutes
One birth every
27.4 seconds
11.8 minutes
One death every
1.21 minutes
14.5 minutes
Daily growth/decline +2,329 +204
Annual growth/decline +849,943 +74,315
Annual growth/decline rate +0.93% +1.23%
Population growth rate rank 103/197 83/197
One migration net change every
4.51 minutes
31.2 minutes
Annual migration change +116,786 +16,892
Net migration rank 14/196 36/196
Foreign-born residents 3,840,654 2,841,665
Foreign-born residents rank 17/195 26/195
Foreign-born share of population 4.2% 48.7%
Foreign-born share rank 103/195 9/195

Natural population change vs migration

Iran
Natural

Migration
Singapore
Natural

Migration
1x
Year Population change
Iran Singapore
Natural Migration Natural Migration
2025 - 116,786 - 16,892
2024 715,785 190,156 8,451 20,011
2023 750,150 262,044 7,101 26,996
2022 753,525 403,190 9,019 214,842
2021 645,725 334,967 15,270 -44,030
2020 663,978 -180,680 18,763 -145,556
2019 893,063 -32,794 21,674 870
2018 1,035,052 -27,946 21,427 21,820
2017 1,140,549 34,849 21,888 -8,880
2016 1,186,949 66,630 25,794 13,737
2015 1,178,317 -46,239 27,121 41,852
2014 1,158,552 -56,042 27,896 40,154
2013 1,119,533 -47,322 25,376 52,176
2012 1,073,804 -57,823 29,750 78,501
2011 1,023,925 -65,924 25,919 89,856
2010 980,380 -12,849 24,876 72,571
2009 958,322 211 27,930 95,841
2008 940,983 -12,184 28,068 176,182
2007 919,254 -24,950 26,614 192,292
2006 884,529 640,932 25,968 135,625
2005 837,305 765,873 24,741 92,023
2004 801,203 739,996 24,583 50,487
2003 732,600 700,222 24,689 -30,012
2002 752,205 -668,962 29,231 -40,023
2001 743,658 291,692 31,035 45,027
2000 731,203 300,133 37,057 55,218
1999 723,237 191,988 32,857 19,681
1998 717,655 218,171 33,381 51,905
1997 726,574 98,009 37,960 95,241
1996 784,508 -92,435 38,542 102,018
1995 879,648 -220,258 38,065 91,947
1994 1,008,076 -297,487 39,319 71,170
1993 1,219,658 -1,696,091 40,425 58,820
1992 1,365,466 -451,945 39,091 54,359
1991 1,495,594 -13,059 39,188 57,821
1990 1,530,434 200,711 41,136 66,950
1989 1,609,739 9,460 36,929 68,031
1988 1,614,512 30,688 42,407 40,976
1987 1,639,644 213,524 33,020 25,411
1986 1,659,289 242,411 27,880 -7,858
1985 1,661,750 163,999 32,010 -31,036
1984 1,653,051 97,748 31,967 -4,396
1983 1,573,612 204,544 30,296 11,699
1982 1,514,240 222,390 33,346 41,568
1981 1,376,830 1,452,169 32,167 85,869
1980 1,361,293 103,674 30,657 42,433
1979 1,294,306 75,451 28,363 -2,384
1978 1,156,974 70,088 27,537 436
1977 1,091,542 68,093 26,508 2,757
1976 1,013,347 18,825 31,189 949
1975 929,481 106,921 28,509 4,104
1974 873,369 103,252 31,664 2,748
1973 831,880 104,779 36,404 -495
1972 804,043 96,614 38,098 -1,631
1971 805,830 77,717 35,708 573
1970 794,612 89,757 35,059 4,024
1969 780,660 78,196 34,314 6,763
1968 743,992 69,342 36,216 6,792
1967 727,276 77,313 40,145 6,006
1966 695,040 98,709 44,298 3,507
1965 663,029 127,808 45,474 4,199
1964 635,589 121,817 47,697 3,043
1963 620,126 110,190 49,542 2,668
1962 595,538 96,332 48,830 3,714
1961 594,674 77,811 49,880 3,490
1960 584,060 54,041 51,533 2,008

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

GeoRank.org/population/iran/singapore | 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 Singapore 55.5% is from natural causes (a gain of 176,508 people) and 44.5% is from migration (a gain of 141,662 people).

As of 2024, 3,840,654 residents or 4.2% of the population were not native-born in Iran, compared to 2,841,665 people or 48.7% in Singapore.

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
Singapore
City Population
Singapore 5.87M

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/singapore | 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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