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Population in Iceland compared to Mongolia: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Iceland was 392,404 in 2025 vs 3,568,978 people in Mongolia in 2025. In 2026, based on the adjusted UN estimation, the current Iceland's population is 398,674 people compared to 3,630,744 in Mongolia.

Population statistics:

  • Mongolia's population is 9.11 times bigger than Iceland's.
  • Iceland is ranked the 173rd most populous country in the world, while Mongolia is the 132nd.
  • The countries together account for 0.05% of the world: 0.005% for Iceland vs 0.04% for Mongolia.
  • For the last 10 years, Iceland has had an average growth rate of +1.66% per year vs +1.71% in Mongolia.
  • Since 2006, the population of Iceland has increased from 304K people to 399K (31.2% growth), while Mongolia has grown from 2.57M to 3.63M (41.4% growth).

Iceland vs Mongolia: population by year and forecast

Iceland
Factual

Projection
Mongolia
Factual

Projection
1x
Year Population
Iceland Mongolia
2100 360,144 5,630,532
2099 361,926 5,624,298
2098 363,730 5,616,442
2097 365,557 5,607,739
2096 367,453 5,598,366
2095 369,353 5,587,141
2094 371,260 5,575,743
2093 373,227 5,563,600
2092 375,333 5,550,506
2091 377,423 5,537,031
2090 379,430 5,522,419
2089 381,438 5,507,083
2088 383,627 5,491,226
2087 385,798 5,475,425
2086 387,894 5,459,661
2085 390,003 5,442,388
2084 392,060 5,424,928
2083 394,128 5,406,747
2082 396,088 5,388,623
2081 398,124 5,369,593
2080 400,156 5,349,817
2079 402,122 5,329,240
2078 403,988 5,307,283
2077 405,922 5,286,383
2076 407,624 5,264,220
2075 409,218 5,241,700
2074 410,690 5,218,897
2073 412,079 5,195,622
2072 413,583 5,172,532
2071 414,926 5,149,066
2070 416,204 5,124,853
2069 417,368 5,101,195
2068 418,437 5,077,035
2067 419,588 5,052,818
2066 420,609 5,027,552
2065 421,634 5,002,655
2064 422,508 4,978,185
2063 423,391 4,953,806
2062 424,311 4,929,364
2061 425,017 4,904,690
2060 425,795 4,878,877
2059 426,421 4,852,963
2058 426,989 4,826,761
2057 427,546 4,799,120
2056 428,007 4,771,151
2055 428,399 4,742,184
2054 428,619 4,711,735
2053 428,812 4,679,745
2052 429,004 4,646,658
2051 428,983 4,612,090
2050 429,028 4,576,701
2049 428,993 4,539,215
2048 428,917 4,500,638
2047 428,806 4,460,511
2046 428,615 4,419,188
2045 428,387 4,376,222
2044 427,939 4,333,010
2043 427,281 4,289,776
2042 426,616 4,245,757
2041 425,912 4,201,838
2040 425,083 4,158,320
2039 424,104 4,115,023
2038 422,997 4,072,646
2037 421,786 4,030,644
2036 420,429 3,989,867
2035 418,926 3,950,239
2034 417,406 3,911,316
2033 415,689 3,873,353
2032 413,829 3,836,311
2031 411,715 3,800,027
2030 409,349 3,763,374
2029 406,777 3,726,490
2028 403,748 3,688,767
2027 400,455 3,650,012
2026 396,793 3,610,395
2025 392,404 3,568,978
2024 386,506 3,524,788
2023 385,663 3,481,145
2022 382,003 3,433,748
2021 372,520 3,383,741
2020 366,463 3,327,204
2019 360,563 3,267,673
2018 352,721 3,208,189
2017 343,400 3,148,917
2016 335,439 3,088,856
2015 330,815 3,026,864
2014 327,386 2,963,113
2013 323,764 2,899,011
2012 320,716 2,839,705
2011 319,014 2,786,317
2010 318,041 2,738,622
2009 318,499 2,691,115
2008 317,414 2,643,201
2007 311,566 2,601,850
2006 303,782 2,567,168
2005 296,734 2,536,407
2004 292,074 2,508,412
2003 289,521 2,480,374
2002 287,523 2,449,027
2001 284,968 2,417,751
2000 281,205 2,388,299
1999 277,381 2,356,813
1998 274,047 2,323,809
1997 271,128 2,291,750
1996 268,916 2,259,507
1995 267,468 2,224,945
1994 266,021 2,189,395
1993 263,725 2,165,130
1992 261,057 2,167,790
1991 257,797 2,165,342
1990 254,826 2,098,710
1989 252,852 2,124,185
1988 249,740 2,076,322
1987 245,859 2,022,800
1986 243,180 1,970,965
1985 241,405 1,921,514
1984 239,511 1,874,349
1983 236,977 1,829,092
1982 233,860 1,785,364
1981 230,755 1,742,857
1980 228,138 1,701,335
1979 225,735 1,660,659
1978 223,537 1,619,468
1977 221,799 1,576,245
1976 220,154 1,531,945
1975 217,979 1,488,296
1974 215,209 1,446,050
1973 212,317 1,405,502
1972 209,137 1,366,821
1971 206,098 1,330,071
1970 204,438 1,295,272
1969 203,369 1,262,284
1968 201,488 1,229,930
1967 198,751 1,196,996
1966 195,570 1,163,754
1965 192,286 1,131,177
1964 188,983 1,100,234
1963 185,653 1,071,362
1962 182,378 1,041,444
1961 179,029 1,009,284
1960 175,574 977,595

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/iceland/mongolia | CC BY

From 2006 to 2016, the population of Iceland increased by 31,657 people (a 10.4% growth), while Mongolia gained 521,688 people (a 20.3% growth).

For the next 10 years, from 2016 to 2026, Iceland gained 63,235 people (a 18.9% growth), while Mongolia's population increased by 541,888 people (a 17.5% growth).

Iceland was ranked 172nd most populous country in 2006 and is 173rd in 2026. Mongolia was ranked 137th in 2006 and ranked 132nd now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Iceland's population will grow by 7.61% to 429,028 people and will still be ranked 173rd. The population of Mongolia will increase by 26.1% to 4,576,701 people and rank change from 132nd to 130th.

Iceland is projected to reach its peak in 2050 at 429K people compared to the peak of 5.63M people in 2100 for Mongolia.

Population growth rate by year

Iceland
Factual

Projection
Mongolia
Factual

Projection
1x
Year Growth rate
Iceland Mongolia
2100 -0.49% 0.11%
2099 -0.5% 0.14%
2098 -0.5% 0.16%
2097 -0.52% 0.17%
2096 -0.51% 0.2%
2095 -0.51% 0.2%
2094 -0.53% 0.22%
2093 -0.56% 0.24%
2092 -0.55% 0.24%
2091 -0.53% 0.26%
2090 -0.53% 0.28%
2089 -0.57% 0.29%
2088 -0.56% 0.29%
2087 -0.54% 0.29%
2086 -0.54% 0.32%
2085 -0.52% 0.32%
2084 -0.52% 0.34%
2083 -0.49% 0.34%
2082 -0.51% 0.35%
2081 -0.51% 0.37%
2080 -0.49% 0.39%
2079 -0.46% 0.41%
2078 -0.48% 0.4%
2077 -0.42% 0.42%
2076 -0.39% 0.43%
2075 -0.36% 0.44%
2074 -0.34% 0.45%
2073 -0.36% 0.45%
2072 -0.32% 0.46%
2071 -0.31% 0.47%
2070 -0.28% 0.46%
2069 -0.26% 0.48%
2068 -0.27% 0.48%
2067 -0.24% 0.5%
2066 -0.24% 0.5%
2065 -0.21% 0.49%
2064 -0.21% 0.49%
2063 -0.22% 0.5%
2062 -0.17% 0.5%
2061 -0.18% 0.53%
2060 -0.15% 0.53%
2059 -0.13% 0.54%
2058 -0.13% 0.58%
2057 -0.11% 0.59%
2056 -0.09% 0.61%
2055 -0.05% 0.65%
2054 -0.05% 0.68%
2053 -0.04% 0.71%
2052 0.005% 0.75%
2051 -0.01% 0.77%
2050 0.008% 0.83%
2049 0.02% 0.86%
2048 0.03% 0.9%
2047 0.04% 0.94%
2046 0.05% 0.98%
2045 0.1% 1%
2044 0.15% 1.01%
2043 0.16% 1.04%
2042 0.17% 1.05%
2041 0.2% 1.05%
2040 0.23% 1.05%
2039 0.26% 1.04%
2038 0.29% 1.04%
2037 0.32% 1.02%
2036 0.36% 1%
2035 0.36% 1%
2034 0.41% 0.98%
2033 0.45% 0.97%
2032 0.51% 0.95%
2031 0.58% 0.97%
2030 0.63% 0.99%
2029 0.75% 1.02%
2028 0.82% 1.06%
2027 0.92% 1.1%
2026 1.12% 1.16%
2025 1.53% 1.25%
2024 0.22% 1.25%
2023 0.96% 1.38%
2022 2.55% 1.48%
2021 1.65% 1.7%
2020 1.64% 1.82%
2019 2.22% 1.85%
2018 2.71% 1.88%
2017 2.37% 1.94%
2016 1.4% 2.05%
2015 1.05% 2.15%
2014 1.12% 2.21%
2013 0.95% 2.09%
2012 0.53% 1.92%
2011 0.31% 1.74%
2010 -0.14% 1.77%
2009 0.34% 1.81%
2008 1.88% 1.59%
2007 2.56% 1.35%
2006 2.38% 1.21%
2005 1.6% 1.12%
2004 0.88% 1.13%
2003 0.69% 1.28%
2002 0.9% 1.29%
2001 1.34% 1.23%
2000 1.38% 1.34%
1999 1.22% 1.42%
1998 1.08% 1.4%
1997 0.82% 1.43%
1996 0.54% 1.55%
1995 0.54% 1.62%
1994 0.87% 1.12%
1993 1.02% -0.12%
1992 1.26% 0.11%
1991 1.17% 3.17%
1990 0.78% -1.2%
1989 1.25% 2.31%
1988 1.58% 2.65%
1987 1.1% 2.63%
1986 0.74% 2.57%
1985 0.79% 2.52%
1984 1.07% 2.47%
1983 1.33% 2.45%
1982 1.35% 2.44%
1981 1.15% 2.44%
1980 1.06% 2.45%
1979 0.98% 2.54%
1978 0.78% 2.74%
1977 0.75% 2.89%
1976 1% 2.93%
1975 1.29% 2.92%
1974 1.36% 2.88%
1973 1.52% 2.83%
1972 1.47% 2.76%
1971 0.81% 2.69%
1970 0.53% 2.61%
1969 0.93% 2.63%
1968 1.38% 2.75%
1967 1.63% 2.86%
1966 1.71% 2.88%
1965 1.75% 2.81%
1964 1.79% 2.69%
1963 1.8% 2.87%
1962 1.87% 3.19%
1961 1.97% 3.24%

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/iceland/mongolia | CC BY

In 2025, the population of Iceland grew by 1.53%, while Mongolia's population grew by 1.25%.

Live population counters

Iceland Mongolia
Current population
398674
3630744
Population rank 173/197 132/197
Percent of world population 0.005% 0.04%
One net population change
1.49 hours
11.9 minutes
One birth every
2.02 hours
8.82 minutes
One death every
3.33 hours
27.1 minutes
Daily growth/decline +16 +121
Annual growth/decline +5,898 +44,190
Annual growth/decline rate +1.53% +1.25%
Population growth rate rank 70/197 81/197
One migration net change every
3.24 hours
4.63 days
Annual migration change +2,709 +79
Net migration rank 56/196 74/196
Foreign-born residents 98,818 22,589
Foreign-born residents rank 130/195 169/195
Foreign-born share of population 25.1% 0.6%
Foreign-born share rank 23/195 171/195

Natural population change vs migration

Iceland
Natural

Migration
Mongolia
Natural

Migration
1x
Year Population change
Iceland Mongolia
Natural Migration Natural Migration
2025 - 2,709 - 79
2024 1,700 3,543 40,182 83
2023 1,736 4,630 46,995 0
2022 1,719 6,535 47,730 0
2021 2,534 4,911 52,109 0
2020 2,199 2,498 60,888 0
2019 2,163 5,030 61,433 8,660
2018 1,975 6,638 60,635 7,811
2017 1,854 8,348 57,940 6,831
2016 1,711 4,128 62,086 5,633
2015 1,952 1,499 64,473 4,307
2014 2,324 1,139 66,078 2,921
2013 2,169 1,666 62,618 1,505
2012 2,566 -277 55,942 351
2011 2,521 -1,393 50,711 -505
2010 2,862 -2,055 44,914 -6,444
2009 3,026 -4,785 48,876 -15,007
2008 2,825 1,138 45,843 -17,277
2007 2,617 5,254 39,636 -15,220
2006 2,491 5,300 33,609 -11,934
2005 2,433 3,925 29,290 -8,924
2004 2,425 610 28,418 -8,148
2003 2,317 -204 28,827 -7,986
2002 2,243 -333 30,439 -8,934
2001 2,365 867 32,052 -10,244
2000 2,475 1,877 32,753 -11,241
1999 2,192 1,165 32,283 -13,481
1998 2,357 1,014 31,757 -10,315
1997 2,305 225 32,403 -9,132
1996 2,447 -511 33,741 -8,626
1995 2,354 -1,354 34,473 -7,346
1994 2,713 -804 34,711 -5,449
1993 2,875 -194 36,924 -5,429
1992 2,898 -225 42,437 -8,404
1991 2,733 1,145 47,884 -11,427
1990 3,058 -971 49,443 -11,881
1989 2,832 -994 51,420 -9,757
1988 2,847 1,572 51,588 2,459
1987 2,360 944 51,140 1,855
1986 2,384 -335 50,329 354
1985 2,221 -628 49,944 -1,719
1984 2,539 -328 48,562 -2,452
1983 2,702 170 46,919 -2,522
1982 2,736 616 45,179 -2,132
1981 2,677 157 43,588 -1,615
1980 2,966 -629 42,343 -1,268
1979 2,980 -572 41,568 -1,296
1978 2,727 -781 40,276 1,833
1977 2,551 -1,079 38,995 5,354
1976 2,951 -1,181 37,670 6,577
1975 2,965 -388 36,490 6,556
1974 2,776 209 35,297 6,153
1973 3,121 -310 33,993 5,647
1972 3,241 362 32,727 4,999
1971 2,782 -231 31,536 4,238
1970 2,576 -1,754 30,558 3,263
1969 2,766 -1,414 29,781 2,366
1968 2,841 -448 29,017 3,535
1967 3,021 47 28,178 5,139
1966 3,305 39 27,338 5,837
1965 3,442 -194 26,364 5,610
1964 3,459 -67 25,317 4,599
1963 3,490 -113 24,142 3,687
1962 3,465 -228 22,960 9,049
1961 3,312 164 21,873 10,440
1960 3,758 -269 20,726 10,334

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

GeoRank.org/population/iceland/mongolia | CC BY

Over the last 10 years, 29% of the population change in Iceland is from natural causes (a gain of 19,543 people) and 71% is from migration (a gain of 47,760 people). In Mongolia 94.3% is from natural causes (a gain of 554,471 people) and 5.67% is from migration (a gain of 33,325 people).

As of 2024, 98,818 residents or 25.1% of the population were not native-born in Iceland, compared to 22,589 people or 0.6% in Mongolia.

Biggest cities by population

Iceland
City Population
Reykjavik 139K
Kopavogur 40K
Hafnarfjorur 31.5K
Keflavik 23.3K
Akureyri 20K
Mongolia
City Population
Ulaanbaatar 1.4M
Bulgan 12.3K

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/iceland/mongolia | 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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