The latest officially reported population of Iceland was 392,404 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Iceland's population is 398,674 people compared to 73,639,263 in Tanzania.
Population statistics:
- Tanzania's population is 184.7 times bigger than Iceland's.
- Iceland is ranked the 173rd most populous country in the world, while Tanzania is the 20th.
- The countries together account for 0.89% of the world: 0.005% for Iceland vs 0.89% for Tanzania.
- For the last 10 years, Iceland has had an average growth rate of +1.66% per year vs +3.11% in Tanzania.
- Since 2006, the population of Iceland has increased from 304K people to 399K (31.2% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).
Iceland vs Tanzania: population by year and forecast
| Year | Population | |
|---|---|---|
Iceland
|
Tanzania
|
|
| 2100 | 360,144 | 265,471,550 |
| 2099 | 361,926 | 263,137,702 |
| 2098 | 363,730 | 260,784,676 |
| 2097 | 365,557 | 258,387,890 |
| 2096 | 367,453 | 255,972,277 |
| 2095 | 369,353 | 253,543,248 |
| 2094 | 371,260 | 251,095,452 |
| 2093 | 373,227 | 248,605,184 |
| 2092 | 375,333 | 246,083,651 |
| 2091 | 377,423 | 243,533,968 |
| 2090 | 379,430 | 240,979,094 |
| 2089 | 381,438 | 238,393,867 |
| 2088 | 383,627 | 235,775,056 |
| 2087 | 385,798 | 233,145,231 |
| 2086 | 387,894 | 230,474,072 |
| 2085 | 390,003 | 227,778,580 |
| 2084 | 392,060 | 225,090,075 |
| 2083 | 394,128 | 222,400,079 |
| 2082 | 396,088 | 219,697,321 |
| 2081 | 398,124 | 216,974,796 |
| 2080 | 400,156 | 214,235,505 |
| 2079 | 402,122 | 211,466,096 |
| 2078 | 403,988 | 208,688,171 |
| 2077 | 405,922 | 205,898,494 |
| 2076 | 407,624 | 203,086,766 |
| 2075 | 409,218 | 200,278,383 |
| 2074 | 410,690 | 197,449,196 |
| 2073 | 412,079 | 194,624,081 |
| 2072 | 413,583 | 191,805,820 |
| 2071 | 414,926 | 188,974,004 |
| 2070 | 416,204 | 186,134,634 |
| 2069 | 417,368 | 183,293,747 |
| 2068 | 418,437 | 180,458,385 |
| 2067 | 419,588 | 177,622,538 |
| 2066 | 420,609 | 174,786,430 |
| 2065 | 421,634 | 171,897,059 |
| 2064 | 422,508 | 169,048,435 |
| 2063 | 423,391 | 166,202,091 |
| 2062 | 424,311 | 163,354,473 |
| 2061 | 425,017 | 160,521,858 |
| 2060 | 425,795 | 157,707,240 |
| 2059 | 426,421 | 154,905,240 |
| 2058 | 426,989 | 152,106,040 |
| 2057 | 427,546 | 149,311,257 |
| 2056 | 428,007 | 146,505,507 |
| 2055 | 428,399 | 143,722,840 |
| 2054 | 428,619 | 140,970,467 |
| 2053 | 428,812 | 138,249,490 |
| 2052 | 429,004 | 135,540,803 |
| 2051 | 428,983 | 132,838,721 |
| 2050 | 429,028 | 130,145,345 |
| 2049 | 428,993 | 127,483,126 |
| 2048 | 428,917 | 124,809,212 |
| 2047 | 428,806 | 122,146,647 |
| 2046 | 428,615 | 119,511,124 |
| 2045 | 428,387 | 116,903,642 |
| 2044 | 427,939 | 114,318,843 |
| 2043 | 427,281 | 111,765,580 |
| 2042 | 426,616 | 109,231,423 |
| 2041 | 425,912 | 106,738,458 |
| 2040 | 425,083 | 104,262,479 |
| 2039 | 424,104 | 101,804,600 |
| 2038 | 422,997 | 99,370,760 |
| 2037 | 421,786 | 96,974,485 |
| 2036 | 420,429 | 94,592,848 |
| 2035 | 418,926 | 92,248,476 |
| 2034 | 417,406 | 89,920,872 |
| 2033 | 415,689 | 87,646,627 |
| 2032 | 413,829 | 85,401,853 |
| 2031 | 411,715 | 83,172,579 |
| 2030 | 409,349 | 80,989,443 |
| 2029 | 406,777 | 78,830,947 |
| 2028 | 403,748 | 76,723,335 |
| 2027 | 400,455 | 74,639,948 |
| 2026 | 396,793 | 72,582,361 |
| 2025 | 392,404 | 70,545,865 |
| 2024 | 386,506 | 68,560,157 |
| 2023 | 385,663 | 66,617,606 |
| 2022 | 382,003 | 64,711,821 |
| 2021 | 372,520 | 62,830,412 |
| 2020 | 366,463 | 60,972,798 |
| 2019 | 360,563 | 59,174,891 |
| 2018 | 352,721 | 57,437,145 |
| 2017 | 343,400 | 55,652,890 |
| 2016 | 335,439 | 53,824,013 |
| 2015 | 330,815 | 52,020,962 |
| 2014 | 327,386 | 50,351,512 |
| 2013 | 323,764 | 48,824,128 |
| 2012 | 320,716 | 47,374,260 |
| 2011 | 319,014 | 46,029,367 |
| 2010 | 318,041 | 44,758,488 |
| 2009 | 318,499 | 43,633,982 |
| 2008 | 317,414 | 42,570,728 |
| 2007 | 311,566 | 41,435,512 |
| 2006 | 303,782 | 40,294,902 |
| 2005 | 296,734 | 39,182,076 |
| 2004 | 292,074 | 38,109,668 |
| 2003 | 289,521 | 37,089,555 |
| 2002 | 287,523 | 36,121,304 |
| 2001 | 284,968 | 35,198,299 |
| 2000 | 281,205 | 34,260,139 |
| 1999 | 277,381 | 33,300,330 |
| 1998 | 274,047 | 32,420,458 |
| 1997 | 271,128 | 31,578,089 |
| 1996 | 268,916 | 30,945,762 |
| 1995 | 267,468 | 30,383,497 |
| 1994 | 266,021 | 29,442,356 |
| 1993 | 263,725 | 28,332,692 |
| 1992 | 261,057 | 27,457,588 |
| 1991 | 257,797 | 26,780,436 |
| 1990 | 254,826 | 26,110,207 |
| 1989 | 252,852 | 25,438,759 |
| 1988 | 249,740 | 24,769,686 |
| 1987 | 245,859 | 24,030,378 |
| 1986 | 243,180 | 23,258,959 |
| 1985 | 241,405 | 22,501,693 |
| 1984 | 239,511 | 21,779,066 |
| 1983 | 236,977 | 21,079,874 |
| 1982 | 233,860 | 20,398,571 |
| 1981 | 230,755 | 19,784,703 |
| 1980 | 228,138 | 19,189,769 |
| 1979 | 225,735 | 18,592,038 |
| 1978 | 223,537 | 17,976,566 |
| 1977 | 221,799 | 17,352,929 |
| 1976 | 220,154 | 16,736,211 |
| 1975 | 217,979 | 16,138,361 |
| 1974 | 215,209 | 15,561,630 |
| 1973 | 212,317 | 15,010,101 |
| 1972 | 209,137 | 14,479,308 |
| 1971 | 206,098 | 13,971,451 |
| 1970 | 204,438 | 13,492,677 |
| 1969 | 203,369 | 13,036,700 |
| 1968 | 201,488 | 12,602,076 |
| 1967 | 198,751 | 12,200,109 |
| 1966 | 195,570 | 11,827,459 |
| 1965 | 192,286 | 11,470,728 |
| 1964 | 188,983 | 11,127,826 |
| 1963 | 185,653 | 10,799,528 |
| 1962 | 182,378 | 10,487,756 |
| 1961 | 179,029 | 10,187,886 |
| 1960 | 175,574 | 9,901,419 |
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/tanzania | CC BY 
From 2006 to 2016, the population of Iceland increased by 31,657 people (a 10.4% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).
For the next 10 years, from 2016 to 2026, Iceland gained 63,235 people (a 18.9% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).
Iceland was ranked 172nd most populous country in 2006 and is 173rd in 2026. Tanzania was ranked 30th in 2006 and ranked 20th 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 Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.
Iceland is projected to reach its peak in 2050 at 429K people compared to the peak of 265M people in 2100 for Tanzania.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Iceland
|
Tanzania
|
|
| 2100 | -0.49% | 0.89% |
| 2099 | -0.5% | 0.9% |
| 2098 | -0.5% | 0.93% |
| 2097 | -0.52% | 0.94% |
| 2096 | -0.51% | 0.96% |
| 2095 | -0.51% | 0.97% |
| 2094 | -0.53% | 1% |
| 2093 | -0.56% | 1.02% |
| 2092 | -0.55% | 1.05% |
| 2091 | -0.53% | 1.06% |
| 2090 | -0.53% | 1.08% |
| 2089 | -0.57% | 1.11% |
| 2088 | -0.56% | 1.13% |
| 2087 | -0.54% | 1.16% |
| 2086 | -0.54% | 1.18% |
| 2085 | -0.52% | 1.19% |
| 2084 | -0.52% | 1.21% |
| 2083 | -0.49% | 1.23% |
| 2082 | -0.51% | 1.25% |
| 2081 | -0.51% | 1.28% |
| 2080 | -0.49% | 1.31% |
| 2079 | -0.46% | 1.33% |
| 2078 | -0.48% | 1.35% |
| 2077 | -0.42% | 1.38% |
| 2076 | -0.39% | 1.4% |
| 2075 | -0.36% | 1.43% |
| 2074 | -0.34% | 1.45% |
| 2073 | -0.36% | 1.47% |
| 2072 | -0.32% | 1.5% |
| 2071 | -0.31% | 1.53% |
| 2070 | -0.28% | 1.55% |
| 2069 | -0.26% | 1.57% |
| 2068 | -0.27% | 1.6% |
| 2067 | -0.24% | 1.62% |
| 2066 | -0.24% | 1.68% |
| 2065 | -0.21% | 1.69% |
| 2064 | -0.21% | 1.71% |
| 2063 | -0.22% | 1.74% |
| 2062 | -0.17% | 1.76% |
| 2061 | -0.18% | 1.78% |
| 2060 | -0.15% | 1.81% |
| 2059 | -0.13% | 1.84% |
| 2058 | -0.13% | 1.87% |
| 2057 | -0.11% | 1.92% |
| 2056 | -0.09% | 1.94% |
| 2055 | -0.05% | 1.95% |
| 2054 | -0.05% | 1.97% |
| 2053 | -0.04% | 2% |
| 2052 | 0.005% | 2.03% |
| 2051 | -0.01% | 2.07% |
| 2050 | 0.008% | 2.09% |
| 2049 | 0.02% | 2.14% |
| 2048 | 0.03% | 2.18% |
| 2047 | 0.04% | 2.21% |
| 2046 | 0.05% | 2.23% |
| 2045 | 0.1% | 2.26% |
| 2044 | 0.15% | 2.28% |
| 2043 | 0.16% | 2.32% |
| 2042 | 0.17% | 2.34% |
| 2041 | 0.2% | 2.37% |
| 2040 | 0.23% | 2.41% |
| 2039 | 0.26% | 2.45% |
| 2038 | 0.29% | 2.47% |
| 2037 | 0.32% | 2.52% |
| 2036 | 0.36% | 2.54% |
| 2035 | 0.36% | 2.59% |
| 2034 | 0.41% | 2.59% |
| 2033 | 0.45% | 2.63% |
| 2032 | 0.51% | 2.68% |
| 2031 | 0.58% | 2.7% |
| 2030 | 0.63% | 2.74% |
| 2029 | 0.75% | 2.75% |
| 2028 | 0.82% | 2.79% |
| 2027 | 0.92% | 2.83% |
| 2026 | 1.12% | 2.89% |
| 2025 | 1.53% | 2.9% |
| 2024 | 0.22% | 2.92% |
| 2023 | 0.96% | 2.95% |
| 2022 | 2.55% | 2.99% |
| 2021 | 1.65% | 3.05% |
| 2020 | 1.64% | 3.04% |
| 2019 | 2.22% | 3.03% |
| 2018 | 2.71% | 3.21% |
| 2017 | 2.37% | 3.4% |
| 2016 | 1.4% | 3.47% |
| 2015 | 1.05% | 3.32% |
| 2014 | 1.12% | 3.13% |
| 2013 | 0.95% | 3.06% |
| 2012 | 0.53% | 2.92% |
| 2011 | 0.31% | 2.84% |
| 2010 | -0.14% | 2.58% |
| 2009 | 0.34% | 2.5% |
| 2008 | 1.88% | 2.74% |
| 2007 | 2.56% | 2.83% |
| 2006 | 2.38% | 2.84% |
| 2005 | 1.6% | 2.81% |
| 2004 | 0.88% | 2.75% |
| 2003 | 0.69% | 2.68% |
| 2002 | 0.9% | 2.62% |
| 2001 | 1.34% | 2.74% |
| 2000 | 1.38% | 2.88% |
| 1999 | 1.22% | 2.71% |
| 1998 | 1.08% | 2.67% |
| 1997 | 0.82% | 2.04% |
| 1996 | 0.54% | 1.85% |
| 1995 | 0.54% | 3.2% |
| 1994 | 0.87% | 3.92% |
| 1993 | 1.02% | 3.19% |
| 1992 | 1.26% | 2.53% |
| 1991 | 1.17% | 2.57% |
| 1990 | 0.78% | 2.64% |
| 1989 | 1.25% | 2.7% |
| 1988 | 1.58% | 3.08% |
| 1987 | 1.1% | 3.32% |
| 1986 | 0.74% | 3.37% |
| 1985 | 0.79% | 3.32% |
| 1984 | 1.07% | 3.32% |
| 1983 | 1.33% | 3.34% |
| 1982 | 1.35% | 3.1% |
| 1981 | 1.15% | 3.1% |
| 1980 | 1.06% | 3.21% |
| 1979 | 0.98% | 3.42% |
| 1978 | 0.78% | 3.59% |
| 1977 | 0.75% | 3.68% |
| 1976 | 1% | 3.7% |
| 1975 | 1.29% | 3.71% |
| 1974 | 1.36% | 3.67% |
| 1973 | 1.52% | 3.67% |
| 1972 | 1.47% | 3.63% |
| 1971 | 0.81% | 3.55% |
| 1970 | 0.53% | 3.5% |
| 1969 | 0.93% | 3.45% |
| 1968 | 1.38% | 3.29% |
| 1967 | 1.63% | 3.15% |
| 1966 | 1.71% | 3.11% |
| 1965 | 1.75% | 3.08% |
| 1964 | 1.79% | 3.04% |
| 1963 | 1.8% | 2.97% |
| 1962 | 1.87% | 2.94% |
| 1961 | 1.97% | 2.89% |
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/tanzania | CC BY
In 2025, the population of Iceland grew by 1.53%, while Tanzania's population grew by 2.9%.
Live population counters
|
Iceland
|
Tanzania
|
|
|---|---|---|
| Current population |
398674
|
73639263
|
| Population rank | 173/197 | 20/197 |
| Percent of world population | 0.005% | 0.89% |
| One net population change |
1.49 hours
|
15.9 seconds
|
| One birth every |
2.02 hours
|
13.2 seconds
|
| One death every |
3.33 hours
|
1.34 minutes
|
| Daily growth/decline | +16 | +5,440 |
| Annual growth/decline | +5,898 | +1,985,708 |
| Annual growth/decline rate | +1.53% | +2.9% |
| Population growth rate rank | 70/197 | 16/197 |
| One migration net change every |
3.24 hours
|
41.4 minutes
|
| Annual migration change | +2,709 | -12,730 |
| Net migration rank | 56/196 | 139/196 |
| Foreign-born residents | 98,818 | 462,371 |
| Foreign-born residents rank | 130/195 | 83/195 |
| Foreign-born share of population | 25.1% | 0.7% |
| Foreign-born share rank | 23/195 | 167/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Iceland
|
Tanzania
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | 2,709 | - | -12,730 |
| 2024 | 1,700 | 3,543 | 1,993,730 | -29,865 |
| 2023 | 1,736 | 4,630 | 1,960,623 | -39,388 |
| 2022 | 1,719 | 6,535 | 1,927,960 | -37,557 |
| 2021 | 2,534 | 4,911 | 1,880,137 | -7,704 |
| 2020 | 2,199 | 2,498 | 1,861,377 | -18,587 |
| 2019 | 2,163 | 5,030 | 1,816,669 | -63,602 |
| 2018 | 1,975 | 6,638 | 1,777,852 | -55,444 |
| 2017 | 1,854 | 8,348 | 1,726,909 | 119,142 |
| 2016 | 1,711 | 4,128 | 1,659,502 | 152,194 |
| 2015 | 1,952 | 1,499 | 1,592,882 | 201,495 |
| 2014 | 2,324 | 1,139 | 1,565,630 | -21,083 |
| 2013 | 2,169 | 1,666 | 1,509,008 | 1,241 |
| 2012 | 2,566 | -277 | 1,439,325 | -49,875 |
| 2011 | 2,521 | -1,393 | 1,384,886 | -84,546 |
| 2010 | 2,862 | -2,055 | 1,363,477 | -122,020 |
| 2009 | 3,026 | -4,785 | 1,332,015 | -324,478 |
| 2008 | 2,825 | 1,138 | 1,303,728 | -184,816 |
| 2007 | 2,617 | 5,254 | 1,278,285 | -126,793 |
| 2006 | 2,491 | 5,300 | 1,257,927 | -128,231 |
| 2005 | 2,433 | 3,925 | 1,224,165 | -128,251 |
| 2004 | 2,425 | 610 | 1,175,379 | -126,490 |
| 2003 | 2,317 | -204 | 1,118,435 | -127,101 |
| 2002 | 2,243 | -333 | 1,063,195 | -118,047 |
| 2001 | 2,365 | 867 | 1,026,242 | -125,375 |
| 2000 | 2,475 | 1,877 | 985,185 | -9,701 |
| 1999 | 2,192 | 1,165 | 948,659 | -4,489 |
| 1998 | 2,357 | 1,014 | 920,806 | -105,184 |
| 1997 | 2,305 | 225 | 882,544 | -13,400 |
| 1996 | 2,447 | -511 | 868,524 | -473,007 |
| 1995 | 2,354 | -1,354 | 838,980 | -109,971 |
| 1994 | 2,713 | -804 | 803,953 | 349,348 |
| 1993 | 2,875 | -194 | 778,044 | 288,004 |
| 1992 | 2,898 | -225 | 767,961 | -83,825 |
| 1991 | 2,733 | 1,145 | 762,011 | -91,851 |
| 1990 | 3,058 | -971 | 750,825 | -80,529 |
| 1989 | 2,832 | -994 | 743,854 | -71,268 |
| 1988 | 2,847 | 1,572 | 736,551 | -71,012 |
| 1987 | 2,360 | 944 | 718,580 | 94,498 |
| 1986 | 2,384 | -335 | 705,677 | 24,101 |
| 1985 | 2,221 | -628 | 697,867 | 86,864 |
| 1984 | 2,539 | -328 | 687,435 | -26,938 |
| 1983 | 2,702 | 170 | 679,720 | 58,161 |
| 1982 | 2,736 | 616 | 662,627 | -37,883 |
| 1981 | 2,677 | 157 | 645,496 | -42,485 |
| 1980 | 2,966 | -629 | 629,444 | -42,588 |
| 1979 | 2,980 | -572 | 613,388 | -4,792 |
| 1978 | 2,727 | -781 | 595,024 | 27,307 |
| 1977 | 2,551 | -1,079 | 574,938 | 49,997 |
| 1976 | 2,951 | -1,181 | 553,617 | 54,875 |
| 1975 | 2,965 | -388 | 533,906 | 53,290 |
| 1974 | 2,776 | 209 | 515,152 | 51,127 |
| 1973 | 3,121 | -310 | 488,429 | 48,363 |
| 1972 | 3,241 | 362 | 467,305 | 57,489 |
| 1971 | 2,782 | -231 | 449,014 | 41,900 |
| 1970 | 2,576 | -1,754 | 427,988 | 38,635 |
| 1969 | 2,766 | -1,414 | 408,322 | 37,006 |
| 1968 | 2,841 | -448 | 389,467 | 34,455 |
| 1967 | 3,021 | 47 | 374,763 | 5,265 |
| 1966 | 3,305 | 39 | 360,229 | 5,049 |
| 1965 | 3,442 | -194 | 343,456 | 4,742 |
| 1964 | 3,459 | -67 | 328,527 | 9,090 |
| 1963 | 3,490 | -113 | 314,644 | 4,333 |
| 1962 | 3,465 | -228 | 300,663 | 3,916 |
| 1961 | 3,312 | 164 | 286,839 | 8,338 |
| 1960 | 3,758 | -269 | 275,814 | 1,946 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/iceland/tanzania | 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 Tanzania 98.8% is from natural causes (a gain of 18,197,641 people) and 1.2% is from migration (a gain of 220,684 people).
As of 2024, 98,818 residents or 25.1% of the population were not native-born in Iceland, compared to 462,371 people or 0.7% in Tanzania.
Biggest cities by population
Compare countries by 7 more topics
Population differences between Iceland and Tanzania
|
Iceland
|
Tanzania
|
|
|---|---|---|
| Life expectancy | 83.3 years | 67.6 years |
| Average age | 39 years | 22.8 years |
| Median age | 37.4 years | 18.5 years |
| Male:Female ratio | 51.2:48.8 | 49.6:50.4 |
| Fertility rate | 1.56 births per woman | 4.54 births per woman |
| Population density | 10.2 ppl/mi² | 212.2 ppl/mi² |
Population map with other countries
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/tanzania | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.