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

Updated on by Georank

The latest officially reported population of Iran was 92,417,681 in 2025 vs 49,355,143 people in Spain in 2025. In 2026, based on the adjusted UN estimation, the current Iran's population is 93,580,141 people compared to 49,323,658 in Spain.

Population statistics:

  • Iran's population is 1.9 times bigger than Spain's.
  • Iran is ranked the 17th most populous country in the world, while Spain is the 32nd.
  • The countries together account for 1.72% of the world: 1.13% for Iran vs 0.59% for Spain.
  • For the last 10 years, Iran has had an average growth rate of +1.15% per year vs +0.55% in Spain.
  • Since 2006, the population of Iran has increased from 73.4M people to 93.6M (27.5% growth), while Spain has grown from 44.4M to 49.3M (11.1% growth).

Iran vs Spain: population by year and forecast

Iran
Factual

Projection
Spain
Factual

Projection
1x
Year Population
Iran Spain
2100 80,660,972 34,221,514
2099 81,193,582 34,400,373
2098 81,717,474 34,577,450
2097 82,241,892 34,751,199
2096 82,764,411 34,917,831
2095 83,283,942 35,087,012
2094 83,799,806 35,251,362
2093 84,316,389 35,415,082
2092 84,833,108 35,577,396
2091 85,354,240 35,741,351
2090 85,878,473 35,912,083
2089 86,409,859 36,086,009
2088 86,947,263 36,257,546
2087 87,492,427 36,424,826
2086 88,047,949 36,594,101
2085 88,610,339 36,771,456
2084 89,181,346 36,951,760
2083 89,758,453 37,138,777
2082 90,343,413 37,327,720
2081 90,936,310 37,527,142
2080 91,535,218 37,732,838
2079 92,136,544 37,949,144
2078 92,740,467 38,171,047
2077 93,344,865 38,405,329
2076 93,946,187 38,654,221
2075 94,544,733 38,913,733
2074 95,135,317 39,188,284
2073 95,721,351 39,469,767
2072 96,292,835 39,765,059
2071 96,851,951 40,062,070
2070 97,397,073 40,372,388
2069 97,924,812 40,682,818
2068 98,432,509 41,005,148
2067 98,913,776 41,326,772
2066 99,374,357 41,654,672
2065 99,812,137 41,983,104
2064 100,223,387 42,321,736
2063 100,602,361 42,655,212
2062 100,951,282 42,993,328
2061 101,266,537 43,328,037
2060 101,545,806 43,648,753
2059 101,792,315 43,967,376
2058 101,994,395 44,273,756
2057 102,161,227 44,579,723
2056 102,291,323 44,885,952
2055 102,382,089 45,164,935
2054 102,431,558 45,434,986
2053 102,441,204 45,702,038
2052 102,413,350 45,951,973
2051 102,350,865 46,179,119
2050 102,251,999 46,397,620
2049 102,122,983 46,616,167
2048 101,957,508 46,812,693
2047 101,765,614 47,002,591
2046 101,547,098 47,182,235
2045 101,305,486 47,354,908
2044 101,038,874 47,514,076
2043 100,752,109 47,657,627
2042 100,446,296 47,801,904
2041 100,122,690 47,936,819
2040 99,784,572 48,066,825
2039 99,436,793 48,190,225
2038 99,072,548 48,304,880
2037 98,694,577 48,418,168
2036 98,302,279 48,528,778
2035 97,899,013 48,633,960
2034 97,482,352 48,730,594
2033 97,054,589 48,823,356
2032 96,608,216 48,914,944
2031 96,141,200 49,008,735
2030 95,656,003 49,094,273
2029 95,133,736 49,163,780
2028 94,561,150 49,223,677
2027 93,925,792 49,274,441
2026 93,215,072 49,323,658
2025 92,417,681 49,355,143
2024 91,567,738 48,848,840
2023 90,608,707 48,352,528
2022 89,524,246 47,786,102
2021 88,455,488 47,443,821
2020 87,723,443 47,359,424
2019 87,051,648 47,118,501
2018 86,117,998 46,782,011
2017 85,026,754 46,571,232
2016 83,812,228 46,458,139
2015 82,619,362 46,422,303
2014 81,502,045 46,460,733
2013 80,414,686 46,604,197
2012 79,370,580 46,773,055
2011 78,383,598 46,742,697
2010 77,420,842 46,576,897
2009 76,457,825 46,362,946
2008 75,514,204 45,954,106
2007 74,602,648 45,226,803
2006 73,392,747 44,397,319
2005 71,828,455 43,653,155
2004 70,256,316 42,921,895
2003 68,769,340 42,187,645
2002 68,011,317 41,431,558
2001 67,452,005 40,850,412
2000 66,418,659 40,567,864
1999 65,445,391 40,386,875
1998 64,519,859 40,223,509
1997 63,639,638 40,057,389
1996 62,881,300 39,889,852
1995 62,205,567 39,724,050
1994 61,520,598 39,549,108
1993 61,403,543 39,361,262
1992 61,184,983 39,157,685
1991 59,986,931 38,966,376
1990 58,380,092 38,867,322
1989 56,704,914 38,827,764
1988 55,072,694 38,766,939
1987 53,323,493 38,684,815
1986 51,446,045 38,584,624
1985 49,582,289 38,469,512
1984 47,793,998 38,330,364
1983 46,029,535 38,171,525
1982 44,272,141 37,986,012
1981 41,989,312 37,758,631
1980 39,842,324 37,491,165
1979 38,424,952 37,191,330
1978 37,126,535 36,864,898
1977 35,933,181 36,511,638
1976 34,837,271 36,137,812
1975 33,802,973 35,757,900
1974 32,796,463 35,373,335
1973 31,839,838 34,988,947
1972 30,921,179 34,604,469
1971 30,029,071 34,224,490
1970 29,145,100 33,814,531
1969 28,273,482 33,441,054
1968 27,437,391 33,113,134
1967 26,628,432 32,682,947
1966 25,829,270 32,283,194
1965 25,036,978 31,954,292
1964 24,262,859 31,609,195
1963 23,519,005 31,296,651
1962 22,807,907 31,023,366
1961 22,125,726 30,739,250
1960 21,470,434 30,455,000

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/spain | CC BY

From 2006 to 2016, the population of Iran increased by 10,419,481 people (a 14.2% growth), while Spain gained 2,060,820 people (a 4.64% growth).

For the next 10 years, from 2016 to 2026, Iran gained 9,767,913 people (a 11.7% growth), while Spain's population increased by 2,865,519 people (a 6.17% growth).

Iran was ranked 17th most populous country in 2006 and is still 17th in 2026. Spain was ranked 28th in 2006 and ranked 32nd 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 Spain will decrease by 5.93% to 46,397,620 people and rank change from 32nd to 46th.

Iran is projected to reach its peak in 2053 at 102M people, while Spain's population already peaked in 2025 at 49.4M people and is projected to decrease to 34.2M people by 2100.

Population growth rate by year

Iran
Factual

Projection
Spain
Factual

Projection
1x
Year Growth rate
Iran Spain
2100 -0.66% -0.52%
2099 -0.64% -0.51%
2098 -0.64% -0.5%
2097 -0.63% -0.48%
2096 -0.62% -0.48%
2095 -0.62% -0.47%
2094 -0.61% -0.46%
2093 -0.61% -0.46%
2092 -0.61% -0.46%
2091 -0.61% -0.48%
2090 -0.61% -0.48%
2089 -0.62% -0.47%
2088 -0.62% -0.46%
2087 -0.63% -0.46%
2086 -0.63% -0.48%
2085 -0.64% -0.49%
2084 -0.64% -0.5%
2083 -0.65% -0.51%
2082 -0.65% -0.53%
2081 -0.65% -0.55%
2080 -0.65% -0.57%
2079 -0.65% -0.58%
2078 -0.65% -0.61%
2077 -0.64% -0.64%
2076 -0.63% -0.67%
2075 -0.62% -0.7%
2074 -0.61% -0.71%
2073 -0.59% -0.74%
2072 -0.58% -0.74%
2071 -0.56% -0.77%
2070 -0.54% -0.76%
2069 -0.52% -0.79%
2068 -0.49% -0.78%
2067 -0.46% -0.79%
2066 -0.44% -0.78%
2065 -0.41% -0.8%
2064 -0.38% -0.78%
2063 -0.35% -0.79%
2062 -0.31% -0.77%
2061 -0.28% -0.73%
2060 -0.24% -0.72%
2059 -0.2% -0.69%
2058 -0.16% -0.69%
2057 -0.13% -0.68%
2056 -0.09% -0.62%
2055 -0.05% -0.59%
2054 -0.009% -0.58%
2053 0.03% -0.54%
2052 0.06% -0.49%
2051 0.1% -0.47%
2050 0.13% -0.47%
2049 0.16% -0.42%
2048 0.19% -0.4%
2047 0.22% -0.38%
2046 0.24% -0.36%
2045 0.26% -0.33%
2044 0.28% -0.3%
2043 0.3% -0.3%
2042 0.32% -0.28%
2041 0.34% -0.27%
2040 0.35% -0.26%
2039 0.37% -0.24%
2038 0.38% -0.23%
2037 0.4% -0.23%
2036 0.41% -0.22%
2035 0.43% -0.2%
2034 0.44% -0.19%
2033 0.46% -0.19%
2032 0.49% -0.19%
2031 0.51% -0.17%
2030 0.55% -0.14%
2029 0.61% -0.12%
2028 0.68% -0.1%
2027 0.76% -0.1%
2026 0.86% -0.06%
2025 0.93% 1.04%
2024 1.06% 1.03%
2023 1.21% 1.19%
2022 1.21% 0.72%
2021 0.83% 0.18%
2020 0.77% 0.51%
2019 1.08% 0.72%
2018 1.28% 0.45%
2017 1.45% 0.24%
2016 1.44% 0.08%
2015 1.37% -0.08%
2014 1.35% -0.31%
2013 1.32% -0.36%
2012 1.26% 0.06%
2011 1.24% 0.36%
2010 1.26% 0.46%
2009 1.25% 0.89%
2008 1.22% 1.61%
2007 1.65% 1.87%
2006 2.18% 1.7%
2005 2.24% 1.7%
2004 2.16% 1.74%
2003 1.11% 1.82%
2002 0.83% 1.42%
2001 1.56% 0.7%
2000 1.49% 0.45%
1999 1.43% 0.41%
1998 1.38% 0.41%
1997 1.21% 0.42%
1996 1.09% 0.42%
1995 1.11% 0.44%
1994 0.19% 0.48%
1993 0.36% 0.52%
1992 2% 0.49%
1991 2.75% 0.25%
1990 2.95% 0.1%
1989 2.96% 0.16%
1988 3.28% 0.21%
1987 3.65% 0.26%
1986 3.76% 0.3%
1985 3.74% 0.36%
1984 3.83% 0.42%
1983 3.97% 0.49%
1982 5.44% 0.6%
1981 5.39% 0.71%
1980 3.69% 0.81%
1979 3.5% 0.89%
1978 3.32% 0.97%
1977 3.15% 1.03%
1976 3.06% 1.06%
1975 3.07% 1.09%
1974 3% 1.1%
1973 2.97% 1.11%
1972 2.97% 1.11%
1971 3.03% 1.21%
1970 3.08% 1.12%
1969 3.05% 0.99%
1968 3.04% 1.32%
1967 3.09% 1.24%
1966 3.16% 1.03%
1965 3.19% 1.09%
1964 3.16% 1%
1963 3.12% 0.88%
1962 3.08% 0.92%
1961 3.05% 0.93%

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/spain | CC BY

In 2025, the population of Iran grew by 0.93%, while Spain's population grew by 1.04%.

Live population counters

Iran Spain
Current population
93580141
49323658
Population rank 17/197 32/197
Percent of world population 1.13% 0.59%
One net population change
37.2 seconds
1.04 minutes
One birth every
27.4 seconds
1.66 minutes
One death every
1.21 minutes
1.21 minutes
Daily growth/decline +2,329 +1,387
Annual growth/decline +849,943 +506,303
Annual growth/decline rate +0.93% +1.04%
Population growth rate rank 103/197 98/197
One migration net change every
4.51 minutes
5.45 minutes
Annual migration change +116,786 +96,630
Net migration rank 14/196 17/196
Foreign-born residents 3,840,654 8,870,527
Foreign-born residents rank 17/195 6/195
Foreign-born share of population 4.2% 18.5%
Foreign-born share rank 103/195 32/195

Natural population change vs migration

Iran
Natural

Migration
Spain
Natural

Migration
1x
Year Population change
Iran Spain
Natural Migration Natural Migration
2025 - 116,786 - 96,630
2024 715,785 190,156 -117,237 111,674
2023 750,150 262,044 -116,046 119,099
2022 753,525 403,190 -133,801 299,779
2021 645,725 334,967 -113,865 144,385
2020 663,978 -180,680 -151,551 236,854
2019 893,063 -32,794 -56,542 464,783
2018 1,035,052 -27,946 -56,139 337,467
2017 1,140,549 34,849 -32,600 201,135
2016 1,186,949 66,630 0 106,474
2015 1,178,317 -46,239 -4,642 -1,979
2014 1,158,552 -56,042 32,522 -97,870
2013 1,119,533 -47,322 37,284 -250,741
2012 1,073,804 -57,823 51,450 -153,486
2011 1,023,925 -65,924 84,137 60,761
2010 980,380 -12,849 102,469 69,406
2009 958,322 211 106,635 129,557
2008 940,983 -12,184 133,267 434,135
2007 919,254 -24,950 108,545 772,317
2006 884,529 640,932 110,994 659,720
2005 837,305 765,873 78,576 629,803
2004 801,203 739,996 85,844 661,158
2003 732,600 700,222 54,844 658,428
2002 752,205 -668,962 53,861 737,880
2001 743,658 291,692 44,936 181,307
2000 731,203 300,133 36,512 176,269
1999 723,237 191,988 8,077 178,559
1998 717,655 218,171 4,022 182,926
1997 726,574 98,009 20,028 165,345
1996 784,508 -92,435 11,967 162,704
1995 879,648 -220,258 15,889 162,434
1994 1,008,076 -297,487 31,639 160,407
1993 1,219,658 -1,696,091 47,234 160,907
1992 1,365,466 -451,945 62,652 177,544
1991 1,495,594 -13,059 58,450 122,841
1990 1,530,434 200,711 66,075 -30,684
1989 1,609,739 9,460 81,538 -25,892
1988 1,614,512 30,688 100,794 -17,663
1987 1,639,644 213,524 116,054 -12,681
1986 1,659,289 242,411 131,188 -13,540
1985 1,661,750 163,999 146,184 -589
1984 1,653,051 97,748 172,487 2,754
1983 1,573,612 204,544 183,223 1,241
1982 1,514,240 222,390 231,714 -7,384
1981 1,376,830 1,452,169 237,879 2,563
1980 1,361,293 103,674 281,184 20,166
1979 1,294,306 75,451 312,407 -5,929
1978 1,156,974 70,088 339,157 -2,504
1977 1,091,542 68,093 361,465 -1,332
1976 1,013,347 18,825 375,834 2,804
1975 929,481 106,921 371,882 -218
1974 873,369 103,252 396,182 105,838
1973 831,880 104,779 374,381 8,624
1972 804,043 96,614 391,030 7,935
1971 805,830 77,717 369,625 7,363
1970 794,612 89,757 378,723 -60,580
1969 780,660 78,196 367,851 -49,956
1968 743,992 69,342 387,423 -46,088
1967 727,276 77,313 402,001 -42,344
1966 695,040 98,709 397,084 -41,467
1965 663,029 127,808 405,819 -42,476
1964 635,589 121,817 429,885 -41,461
1963 620,126 110,190 394,338 -44,446
1962 595,538 96,332 384,690 -45,211
1961 594,674 77,811 396,537 -46,517
1960 584,060 54,041 398,960 -154,869

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

GeoRank.org/population/iran/spain | 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 Spain 27.9% is from natural causes (a loss of 782,423 people) and 72.1% is from migration (a gain of 2,019,671 people).

As of 2024, 3,840,654 residents or 4.2% of the population were not native-born in Iran, compared to 8,870,527 people or 18.5% in Spain.

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
Spain
City Population
Madrid 3.51M
Barcelona 1.73M
Tenerife 955K
Valencia 841K
Zaragoza 693K
Seville 689K
Malaga 599K
Palma de Mallorca 435K
Las Palmas 382K
Alicante 366K

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/spain | 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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