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

Updated on by Georank

The latest officially reported population of Belgium was 11,941,781 in 2025 vs 92,417,681 people in Iran in 2025. In 2026, based on the adjusted UN estimation, the current Belgium's population is 11,967,185 people compared to 93,580,141 in Iran.

Population statistics:

  • Iran's population is 7.82 times bigger than Belgium's.
  • Belgium is ranked the 83rd most populous country in the world, while Iran is the 17th.
  • The countries together account for 1.27% of the world: 0.14% for Belgium vs 1.13% for Iran.
  • For the last 10 years, Belgium has had an average growth rate of +0.58% per year vs +1.15% in Iran.
  • Since 2006, the population of Belgium has increased from 10.5M people to 12M (13.5% growth), while Iran has grown from 73.4M to 93.6M (27.5% growth).

Belgium vs Iran: population by year and forecast

Belgium
Factual

Projection
Iran
Factual

Projection
1x
Year Population
Belgium Iran
2100 11,250,862 80,660,972
2099 11,269,247 81,193,582
2098 11,287,433 81,717,474
2097 11,303,694 82,241,892
2096 11,319,229 82,764,411
2095 11,335,187 83,283,942
2094 11,351,692 83,799,806
2093 11,367,258 84,316,389
2092 11,383,419 84,833,108
2091 11,397,881 85,354,240
2090 11,412,370 85,878,473
2089 11,426,889 86,409,859
2088 11,442,238 86,947,263
2087 11,457,739 87,492,427
2086 11,472,102 88,047,949
2085 11,485,745 88,610,339
2084 11,499,703 89,181,346
2083 11,513,055 89,758,453
2082 11,527,480 90,343,413
2081 11,539,632 90,936,310
2080 11,553,646 91,535,218
2079 11,566,656 92,136,544
2078 11,580,982 92,740,467
2077 11,593,809 93,344,865
2076 11,605,311 93,946,187
2075 11,617,264 94,544,733
2074 11,630,340 95,135,317
2073 11,643,635 95,721,351
2072 11,656,916 96,292,835
2071 11,670,459 96,851,951
2070 11,686,541 97,397,073
2069 11,702,841 97,924,812
2068 11,720,297 98,432,509
2067 11,737,631 98,913,776
2066 11,756,233 99,374,357
2065 11,776,031 99,812,137
2064 11,796,981 100,223,387
2063 11,818,873 100,602,361
2062 11,841,060 100,951,282
2061 11,864,790 101,266,537
2060 11,886,277 101,545,806
2059 11,907,924 101,792,315
2058 11,928,140 101,994,395
2057 11,951,275 102,161,227
2056 11,972,819 102,291,323
2055 11,992,614 102,382,089
2054 12,011,260 102,431,558
2053 12,029,602 102,441,204
2052 12,045,984 102,413,350
2051 12,059,458 102,350,865
2050 12,070,180 102,251,999
2049 12,079,277 102,122,983
2048 12,086,376 101,957,508
2047 12,091,336 101,765,614
2046 12,094,512 101,547,098
2045 12,096,264 101,305,486
2044 12,095,660 101,038,874
2043 12,094,445 100,752,109
2042 12,092,240 100,446,296
2041 12,088,320 100,122,690
2040 12,084,611 99,784,572
2039 12,080,011 99,436,793
2038 12,074,019 99,072,548
2037 12,067,048 98,694,577
2036 12,060,663 98,302,279
2035 12,054,093 97,899,013
2034 12,047,026 97,482,352
2033 12,038,587 97,054,589
2032 12,030,514 96,608,216
2031 12,022,079 96,141,200
2030 12,012,501 95,656,003
2029 12,000,773 95,133,736
2028 11,988,034 94,561,150
2027 11,974,384 93,925,792
2026 11,959,583 93,215,072
2025 11,941,781 92,417,681
2024 11,858,610 91,567,738
2023 11,779,946 90,608,707
2022 11,680,210 89,524,246
2021 11,586,195 88,455,488
2020 11,538,604 87,723,443
2019 11,488,980 87,051,648
2018 11,427,054 86,117,998
2017 11,375,158 85,026,754
2016 11,331,422 83,812,228
2015 11,274,196 82,619,362
2014 11,209,057 81,502,045
2013 11,159,407 80,414,686
2012 11,106,932 79,370,580
2011 11,038,264 78,383,598
2010 10,895,586 77,420,842
2009 10,796,493 76,457,825
2008 10,709,973 75,514,204
2007 10,625,700 74,602,648
2006 10,547,958 73,392,747
2005 10,478,617 71,828,455
2004 10,421,137 70,256,316
2003 10,376,133 68,769,340
2002 10,332,785 68,011,317
2001 10,286,570 67,452,005
2000 10,251,250 66,418,659
1999 10,226,419 65,445,391
1998 10,203,008 64,519,859
1997 10,181,245 63,639,638
1996 10,156,637 62,881,300
1995 10,136,811 62,205,567
1994 10,115,603 61,520,598
1993 10,084,475 61,403,543
1992 10,045,158 61,184,983
1991 10,004,486 59,986,931
1990 9,967,379 58,380,092
1989 9,937,697 56,704,914
1988 9,901,664 55,072,694
1987 9,870,234 53,323,493
1986 9,861,823 51,446,045
1985 9,858,308 49,582,289
1984 9,855,372 47,793,998
1983 9,855,520 46,029,535
1982 9,856,303 44,272,141
1981 9,858,982 41,989,312
1980 9,859,242 39,842,324
1979 9,848,382 38,424,952
1978 9,839,534 37,126,535
1977 9,830,358 35,933,181
1976 9,818,227 34,837,271
1975 9,800,700 33,802,973
1974 9,772,419 32,796,463
1973 9,741,720 31,839,838
1972 9,711,115 30,921,179
1971 9,673,162 30,029,071
1970 9,655,549 29,145,100
1969 9,646,032 28,273,482
1968 9,618,756 27,437,391
1967 9,580,991 26,628,432
1966 9,527,807 25,829,270
1965 9,463,667 25,036,978
1964 9,378,113 24,262,859
1963 9,289,770 23,519,005
1962 9,220,578 22,807,907
1961 9,183,948 22,125,726
1960 9,153,489 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/belgium/iran | CC BY

From 2006 to 2016, the population of Belgium increased by 783,464 people (a 7.43% growth), while Iran gained 10,419,481 people (a 14.2% growth).

For the next 10 years, from 2016 to 2026, Belgium gained 635,763 people (a 5.61% growth), while Iran's population increased by 9,767,913 people (a 11.7% growth).

Belgium was ranked 77th most populous country in 2006 and is 83rd 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) Belgium's population will grow by 0.86% to 12,070,180 people with a rank change from 83rd to 92nd. The population of Iran will increase by 9.27% to 102,251,999 people and rank change from 17th to 18th.

Belgium is projected to reach its peak in 2045 at 12.1M people compared to the peak of 102M people in 2053 for Iran.

Population growth rate by year

Belgium
Factual

Projection
Iran
Factual

Projection
1x
Year Growth rate
Belgium Iran
2100 -0.16% -0.66%
2099 -0.16% -0.64%
2098 -0.14% -0.64%
2097 -0.14% -0.63%
2096 -0.14% -0.62%
2095 -0.15% -0.62%
2094 -0.14% -0.61%
2093 -0.14% -0.61%
2092 -0.13% -0.61%
2091 -0.13% -0.61%
2090 -0.13% -0.61%
2089 -0.13% -0.62%
2088 -0.14% -0.62%
2087 -0.13% -0.63%
2086 -0.12% -0.63%
2085 -0.12% -0.64%
2084 -0.12% -0.64%
2083 -0.13% -0.65%
2082 -0.11% -0.65%
2081 -0.12% -0.65%
2080 -0.11% -0.65%
2079 -0.12% -0.65%
2078 -0.11% -0.65%
2077 -0.1% -0.64%
2076 -0.1% -0.63%
2075 -0.11% -0.62%
2074 -0.11% -0.61%
2073 -0.11% -0.59%
2072 -0.12% -0.58%
2071 -0.14% -0.56%
2070 -0.14% -0.54%
2069 -0.15% -0.52%
2068 -0.15% -0.49%
2067 -0.16% -0.46%
2066 -0.17% -0.44%
2065 -0.18% -0.41%
2064 -0.19% -0.38%
2063 -0.19% -0.35%
2062 -0.2% -0.31%
2061 -0.18% -0.28%
2060 -0.18% -0.24%
2059 -0.17% -0.2%
2058 -0.19% -0.16%
2057 -0.18% -0.13%
2056 -0.17% -0.09%
2055 -0.16% -0.05%
2054 -0.15% -0.009%
2053 -0.14% 0.03%
2052 -0.11% 0.06%
2051 -0.09% 0.1%
2050 -0.08% 0.13%
2049 -0.06% 0.16%
2048 -0.04% 0.19%
2047 -0.03% 0.22%
2046 -0.01% 0.24%
2045 0.005% 0.26%
2044 0.01% 0.28%
2043 0.02% 0.3%
2042 0.03% 0.32%
2041 0.03% 0.34%
2040 0.04% 0.35%
2039 0.05% 0.37%
2038 0.06% 0.38%
2037 0.05% 0.4%
2036 0.05% 0.41%
2035 0.06% 0.43%
2034 0.07% 0.44%
2033 0.07% 0.46%
2032 0.07% 0.49%
2031 0.08% 0.51%
2030 0.1% 0.55%
2029 0.11% 0.61%
2028 0.11% 0.68%
2027 0.12% 0.76%
2026 0.15% 0.86%
2025 0.7% 0.93%
2024 0.67% 1.06%
2023 0.85% 1.21%
2022 0.81% 1.21%
2021 0.41% 0.83%
2020 0.43% 0.77%
2019 0.54% 1.08%
2018 0.46% 1.28%
2017 0.39% 1.45%
2016 0.51% 1.44%
2015 0.58% 1.37%
2014 0.44% 1.35%
2013 0.47% 1.32%
2012 0.62% 1.26%
2011 1.31% 1.24%
2010 0.92% 1.26%
2009 0.81% 1.25%
2008 0.79% 1.22%
2007 0.74% 1.65%
2006 0.66% 2.18%
2005 0.55% 2.24%
2004 0.43% 2.16%
2003 0.42% 1.11%
2002 0.45% 0.83%
2001 0.34% 1.56%
2000 0.24% 1.49%
1999 0.23% 1.43%
1998 0.21% 1.38%
1997 0.24% 1.21%
1996 0.2% 1.09%
1995 0.21% 1.11%
1994 0.31% 0.19%
1993 0.39% 0.36%
1992 0.41% 2%
1991 0.37% 2.75%
1990 0.3% 2.95%
1989 0.36% 2.96%
1988 0.32% 3.28%
1987 0.09% 3.65%
1986 0.04% 3.76%
1985 0.03% 3.74%
1984 -0.002% 3.83%
1983 -0.008% 3.97%
1982 -0.03% 5.44%
1981 -0.003% 5.39%
1980 0.11% 3.69%
1979 0.09% 3.5%
1978 0.09% 3.32%
1977 0.12% 3.15%
1976 0.18% 3.06%
1975 0.29% 3.07%
1974 0.32% 3%
1973 0.32% 2.97%
1972 0.39% 2.97%
1971 0.18% 3.03%
1970 0.1% 3.08%
1969 0.28% 3.05%
1968 0.39% 3.04%
1967 0.56% 3.09%
1966 0.68% 3.16%
1965 0.91% 3.19%
1964 0.95% 3.16%
1963 0.75% 3.12%
1962 0.4% 3.08%
1961 0.33% 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/belgium/iran | CC BY

In 2025, the population of Belgium grew by 0.7%, while Iran's population grew by 0.93%.

Live population counters

Belgium Iran
Current population
11967185
93580141
Population rank 83/197 17/197
Percent of world population 0.14% 1.13%
One net population change
6.34 minutes
37.2 seconds
One birth every
4.82 minutes
27.4 seconds
One death every
4.67 minutes
1.21 minutes
Daily growth/decline +228 +2,329
Annual growth/decline +83,171 +849,943
Annual growth/decline rate +0.7% +0.93%
Population growth rate rank 116/197 103/197
One migration net change every
16.5 minutes
4.51 minutes
Annual migration change +31,989 +116,786
Net migration rank 28/196 14/196
Foreign-born residents 2,349,032 3,840,654
Foreign-born residents rank 30/195 17/195
Foreign-born share of population 20% 4.2%
Foreign-born share rank 30/195 103/195

Natural population change vs migration

Belgium
Natural

Migration
Iran
Natural

Migration
1x
Year Population change
Belgium Iran
Natural Migration Natural Migration
2025 - 31,989 - 116,786
2024 -3,557 36,243 715,785 190,156
2023 0 41,679 750,150 262,044
2022 -2,336 118,615 753,525 403,190
2021 5,793 24,017 645,725 334,967
2020 -12,692 43,777 663,978 -180,680
2019 8,042 58,469 893,063 -32,794
2018 7,999 50,604 1,035,052 -27,946
2017 10,238 37,981 1,140,549 34,849
2016 14,731 28,090 1,186,949 66,630
2015 11,274 63,536 1,178,317 -46,239
2014 21,297 37,472 1,158,552 -56,042
2013 16,739 28,066 1,119,533 -47,322
2012 18,882 45,001 1,073,804 -57,823
2011 25,388 52,464 1,023,925 -65,924
2010 23,970 105,232 980,380 -12,849
2009 23,752 97,175 958,322 211
2008 22,491 66,470 940,983 -12,184
2007 23,376 59,911 919,254 -24,950
2006 21,096 53,574 884,529 640,932
2005 15,718 50,576 837,305 765,873
2004 16,673 35,143 801,203 739,996
2003 7,263 34,472 732,600 700,222
2002 7,233 39,404 752,205 -668,962
2001 11,315 34,924 743,658 291,692
2000 12,302 13,952 731,203 300,133
1999 9,203 16,849 723,237 191,988
1998 9,183 12,517 717,655 218,171
1997 12,218 10,262 726,574 98,009
1996 12,188 15,684 784,508 -92,435
1995 11,150 1,937 879,648 -220,258
1994 12,139 17,636 1,008,076 -297,487
1993 14,118 18,542 1,219,658 -1,696,091
1992 20,090 25,941 1,365,466 -451,945
1991 22,010 27,038 1,495,594 -13,059
1990 19,935 8,299 1,530,434 200,711
1989 13,912 7,301 1,609,739 9,460
1988 14,853 3,929 1,614,512 30,688
1987 11,844 3,525 1,639,644 213,524
1986 5,917 2,964 1,659,289 242,411
1985 2,958 2,165 1,661,750 163,999
1984 4,927 1,697 1,653,051 97,748
1983 2,956 1,252 1,573,612 204,544
1982 7,885 1,100 1,514,240 222,390
1981 11,831 2,826 1,376,830 1,452,169
1980 10,845 11,482 1,361,293 103,674
1979 11,818 11,277 1,294,306 75,451
1978 7,872 10,828 1,156,974 70,088
1977 8,847 10,460 1,091,542 68,093
1976 1,964 10,360 1,013,347 18,825
1975 0 9,652 929,481 106,921
1974 7,818 8,924 873,369 103,252
1973 11,690 8,684 831,880 104,779
1972 18,451 8,384 804,043 96,614
1971 21,281 7,992 805,830 77,717
1970 23,173 19,393 794,612 89,757
1969 21,221 20,072 780,660 78,196
1968 20,199 19,809 743,992 69,342
1967 31,618 19,492 727,276 77,313
1966 36,206 18,985 695,040 98,709
1965 39,748 18,243 663,029 127,808
1964 51,580 17,687 635,589 121,817
1963 41,804 16,355 620,126 110,190
1962 42,414 14,829 595,538 96,332
1961 52,349 10,566 594,674 77,811
1960 40,275 9,893 584,060 54,041

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

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

Over the last 10 years, 7.28% of the population change in Belgium is from natural causes (a gain of 39,492 people) and 92.7% is from migration (a gain of 503,011 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, 2,349,032 residents or 20% of the population were not native-born in Belgium, compared to 3,840,654 people or 4.2% in Iran.

Biggest cities by population

Belgium
City Population
Brussels 1.25M
Antwerp 529K
Ghent 273K
Charleroi 204K
Liege 195K
Schaerbeek 133K
Anderlecht 121K
Bruges 119K
Namur 115K
Leuven 101K
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/belgium/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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