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

Updated on by Georank

The latest officially reported population of Belgium was 11,941,781 in 2025 vs 70,545,865 people in Tanzania in 2025. In 2026, based on the adjusted UN estimation, the current Belgium's population is 11,967,185 people compared to 73,639,263 in Tanzania.

Population statistics:

  • Tanzania's population is 6.15 times bigger than Belgium's.
  • Belgium is ranked the 83rd most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 1.03% of the world: 0.14% for Belgium vs 0.89% for Tanzania.
  • For the last 10 years, Belgium has had an average growth rate of +0.58% per year vs +3.11% in Tanzania.
  • Since 2006, the population of Belgium has increased from 10.5M people to 12M (13.5% growth), while Tanzania has grown from 40.3M to 73.6M (82.8% growth).

Belgium vs Tanzania: population by year and forecast

Belgium
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Belgium Tanzania
2100 11,250,862 265,471,550
2099 11,269,247 263,137,702
2098 11,287,433 260,784,676
2097 11,303,694 258,387,890
2096 11,319,229 255,972,277
2095 11,335,187 253,543,248
2094 11,351,692 251,095,452
2093 11,367,258 248,605,184
2092 11,383,419 246,083,651
2091 11,397,881 243,533,968
2090 11,412,370 240,979,094
2089 11,426,889 238,393,867
2088 11,442,238 235,775,056
2087 11,457,739 233,145,231
2086 11,472,102 230,474,072
2085 11,485,745 227,778,580
2084 11,499,703 225,090,075
2083 11,513,055 222,400,079
2082 11,527,480 219,697,321
2081 11,539,632 216,974,796
2080 11,553,646 214,235,505
2079 11,566,656 211,466,096
2078 11,580,982 208,688,171
2077 11,593,809 205,898,494
2076 11,605,311 203,086,766
2075 11,617,264 200,278,383
2074 11,630,340 197,449,196
2073 11,643,635 194,624,081
2072 11,656,916 191,805,820
2071 11,670,459 188,974,004
2070 11,686,541 186,134,634
2069 11,702,841 183,293,747
2068 11,720,297 180,458,385
2067 11,737,631 177,622,538
2066 11,756,233 174,786,430
2065 11,776,031 171,897,059
2064 11,796,981 169,048,435
2063 11,818,873 166,202,091
2062 11,841,060 163,354,473
2061 11,864,790 160,521,858
2060 11,886,277 157,707,240
2059 11,907,924 154,905,240
2058 11,928,140 152,106,040
2057 11,951,275 149,311,257
2056 11,972,819 146,505,507
2055 11,992,614 143,722,840
2054 12,011,260 140,970,467
2053 12,029,602 138,249,490
2052 12,045,984 135,540,803
2051 12,059,458 132,838,721
2050 12,070,180 130,145,345
2049 12,079,277 127,483,126
2048 12,086,376 124,809,212
2047 12,091,336 122,146,647
2046 12,094,512 119,511,124
2045 12,096,264 116,903,642
2044 12,095,660 114,318,843
2043 12,094,445 111,765,580
2042 12,092,240 109,231,423
2041 12,088,320 106,738,458
2040 12,084,611 104,262,479
2039 12,080,011 101,804,600
2038 12,074,019 99,370,760
2037 12,067,048 96,974,485
2036 12,060,663 94,592,848
2035 12,054,093 92,248,476
2034 12,047,026 89,920,872
2033 12,038,587 87,646,627
2032 12,030,514 85,401,853
2031 12,022,079 83,172,579
2030 12,012,501 80,989,443
2029 12,000,773 78,830,947
2028 11,988,034 76,723,335
2027 11,974,384 74,639,948
2026 11,959,583 72,582,361
2025 11,941,781 70,545,865
2024 11,858,610 68,560,157
2023 11,779,946 66,617,606
2022 11,680,210 64,711,821
2021 11,586,195 62,830,412
2020 11,538,604 60,972,798
2019 11,488,980 59,174,891
2018 11,427,054 57,437,145
2017 11,375,158 55,652,890
2016 11,331,422 53,824,013
2015 11,274,196 52,020,962
2014 11,209,057 50,351,512
2013 11,159,407 48,824,128
2012 11,106,932 47,374,260
2011 11,038,264 46,029,367
2010 10,895,586 44,758,488
2009 10,796,493 43,633,982
2008 10,709,973 42,570,728
2007 10,625,700 41,435,512
2006 10,547,958 40,294,902
2005 10,478,617 39,182,076
2004 10,421,137 38,109,668
2003 10,376,133 37,089,555
2002 10,332,785 36,121,304
2001 10,286,570 35,198,299
2000 10,251,250 34,260,139
1999 10,226,419 33,300,330
1998 10,203,008 32,420,458
1997 10,181,245 31,578,089
1996 10,156,637 30,945,762
1995 10,136,811 30,383,497
1994 10,115,603 29,442,356
1993 10,084,475 28,332,692
1992 10,045,158 27,457,588
1991 10,004,486 26,780,436
1990 9,967,379 26,110,207
1989 9,937,697 25,438,759
1988 9,901,664 24,769,686
1987 9,870,234 24,030,378
1986 9,861,823 23,258,959
1985 9,858,308 22,501,693
1984 9,855,372 21,779,066
1983 9,855,520 21,079,874
1982 9,856,303 20,398,571
1981 9,858,982 19,784,703
1980 9,859,242 19,189,769
1979 9,848,382 18,592,038
1978 9,839,534 17,976,566
1977 9,830,358 17,352,929
1976 9,818,227 16,736,211
1975 9,800,700 16,138,361
1974 9,772,419 15,561,630
1973 9,741,720 15,010,101
1972 9,711,115 14,479,308
1971 9,673,162 13,971,451
1970 9,655,549 13,492,677
1969 9,646,032 13,036,700
1968 9,618,756 12,602,076
1967 9,580,991 12,200,109
1966 9,527,807 11,827,459
1965 9,463,667 11,470,728
1964 9,378,113 11,127,826
1963 9,289,770 10,799,528
1962 9,220,578 10,487,756
1961 9,183,948 10,187,886
1960 9,153,489 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/belgium/tanzania | CC BY

From 2006 to 2016, the population of Belgium increased by 783,464 people (a 7.43% growth), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Belgium gained 635,763 people (a 5.61% growth), while Tanzania's population increased by 19,815,250 people (a 36.8% growth).

Belgium was ranked 77th most populous country in 2006 and is 83rd 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) Belgium's population will grow by 0.86% to 12,070,180 people with a rank change from 83rd to 92nd. The population of Tanzania will increase by 76.7% to 130,145,345 people and rank change from 20th to 15th.

Belgium is projected to reach its peak in 2045 at 12.1M people compared to the peak of 265M people in 2100 for Tanzania.

Population growth rate by year

Belgium
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Belgium Tanzania
2100 -0.16% 0.89%
2099 -0.16% 0.9%
2098 -0.14% 0.93%
2097 -0.14% 0.94%
2096 -0.14% 0.96%
2095 -0.15% 0.97%
2094 -0.14% 1%
2093 -0.14% 1.02%
2092 -0.13% 1.05%
2091 -0.13% 1.06%
2090 -0.13% 1.08%
2089 -0.13% 1.11%
2088 -0.14% 1.13%
2087 -0.13% 1.16%
2086 -0.12% 1.18%
2085 -0.12% 1.19%
2084 -0.12% 1.21%
2083 -0.13% 1.23%
2082 -0.11% 1.25%
2081 -0.12% 1.28%
2080 -0.11% 1.31%
2079 -0.12% 1.33%
2078 -0.11% 1.35%
2077 -0.1% 1.38%
2076 -0.1% 1.4%
2075 -0.11% 1.43%
2074 -0.11% 1.45%
2073 -0.11% 1.47%
2072 -0.12% 1.5%
2071 -0.14% 1.53%
2070 -0.14% 1.55%
2069 -0.15% 1.57%
2068 -0.15% 1.6%
2067 -0.16% 1.62%
2066 -0.17% 1.68%
2065 -0.18% 1.69%
2064 -0.19% 1.71%
2063 -0.19% 1.74%
2062 -0.2% 1.76%
2061 -0.18% 1.78%
2060 -0.18% 1.81%
2059 -0.17% 1.84%
2058 -0.19% 1.87%
2057 -0.18% 1.92%
2056 -0.17% 1.94%
2055 -0.16% 1.95%
2054 -0.15% 1.97%
2053 -0.14% 2%
2052 -0.11% 2.03%
2051 -0.09% 2.07%
2050 -0.08% 2.09%
2049 -0.06% 2.14%
2048 -0.04% 2.18%
2047 -0.03% 2.21%
2046 -0.01% 2.23%
2045 0.005% 2.26%
2044 0.01% 2.28%
2043 0.02% 2.32%
2042 0.03% 2.34%
2041 0.03% 2.37%
2040 0.04% 2.41%
2039 0.05% 2.45%
2038 0.06% 2.47%
2037 0.05% 2.52%
2036 0.05% 2.54%
2035 0.06% 2.59%
2034 0.07% 2.59%
2033 0.07% 2.63%
2032 0.07% 2.68%
2031 0.08% 2.7%
2030 0.1% 2.74%
2029 0.11% 2.75%
2028 0.11% 2.79%
2027 0.12% 2.83%
2026 0.15% 2.89%
2025 0.7% 2.9%
2024 0.67% 2.92%
2023 0.85% 2.95%
2022 0.81% 2.99%
2021 0.41% 3.05%
2020 0.43% 3.04%
2019 0.54% 3.03%
2018 0.46% 3.21%
2017 0.39% 3.4%
2016 0.51% 3.47%
2015 0.58% 3.32%
2014 0.44% 3.13%
2013 0.47% 3.06%
2012 0.62% 2.92%
2011 1.31% 2.84%
2010 0.92% 2.58%
2009 0.81% 2.5%
2008 0.79% 2.74%
2007 0.74% 2.83%
2006 0.66% 2.84%
2005 0.55% 2.81%
2004 0.43% 2.75%
2003 0.42% 2.68%
2002 0.45% 2.62%
2001 0.34% 2.74%
2000 0.24% 2.88%
1999 0.23% 2.71%
1998 0.21% 2.67%
1997 0.24% 2.04%
1996 0.2% 1.85%
1995 0.21% 3.2%
1994 0.31% 3.92%
1993 0.39% 3.19%
1992 0.41% 2.53%
1991 0.37% 2.57%
1990 0.3% 2.64%
1989 0.36% 2.7%
1988 0.32% 3.08%
1987 0.09% 3.32%
1986 0.04% 3.37%
1985 0.03% 3.32%
1984 -0.002% 3.32%
1983 -0.008% 3.34%
1982 -0.03% 3.1%
1981 -0.003% 3.1%
1980 0.11% 3.21%
1979 0.09% 3.42%
1978 0.09% 3.59%
1977 0.12% 3.68%
1976 0.18% 3.7%
1975 0.29% 3.71%
1974 0.32% 3.67%
1973 0.32% 3.67%
1972 0.39% 3.63%
1971 0.18% 3.55%
1970 0.1% 3.5%
1969 0.28% 3.45%
1968 0.39% 3.29%
1967 0.56% 3.15%
1966 0.68% 3.11%
1965 0.91% 3.08%
1964 0.95% 3.04%
1963 0.75% 2.97%
1962 0.4% 2.94%
1961 0.33% 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/belgium/tanzania | CC BY

In 2025, the population of Belgium grew by 0.7%, while Tanzania's population grew by 2.9%.

Live population counters

Belgium Tanzania
Current population
11967185
73639263
Population rank 83/197 20/197
Percent of world population 0.14% 0.89%
One net population change
6.34 minutes
15.9 seconds
One birth every
4.82 minutes
13.2 seconds
One death every
4.67 minutes
1.34 minutes
Daily growth/decline +228 +5,440
Annual growth/decline +83,171 +1,985,708
Annual growth/decline rate +0.7% +2.9%
Population growth rate rank 116/197 16/197
One migration net change every
16.5 minutes
41.4 minutes
Annual migration change +31,989 -12,730
Net migration rank 28/196 139/196
Foreign-born residents 2,349,032 462,371
Foreign-born residents rank 30/195 83/195
Foreign-born share of population 20% 0.7%
Foreign-born share rank 30/195 167/195

Natural population change vs migration

Belgium
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Belgium Tanzania
Natural Migration Natural Migration
2025 - 31,989 - -12,730
2024 -3,557 36,243 1,993,730 -29,865
2023 0 41,679 1,960,623 -39,388
2022 -2,336 118,615 1,927,960 -37,557
2021 5,793 24,017 1,880,137 -7,704
2020 -12,692 43,777 1,861,377 -18,587
2019 8,042 58,469 1,816,669 -63,602
2018 7,999 50,604 1,777,852 -55,444
2017 10,238 37,981 1,726,909 119,142
2016 14,731 28,090 1,659,502 152,194
2015 11,274 63,536 1,592,882 201,495
2014 21,297 37,472 1,565,630 -21,083
2013 16,739 28,066 1,509,008 1,241
2012 18,882 45,001 1,439,325 -49,875
2011 25,388 52,464 1,384,886 -84,546
2010 23,970 105,232 1,363,477 -122,020
2009 23,752 97,175 1,332,015 -324,478
2008 22,491 66,470 1,303,728 -184,816
2007 23,376 59,911 1,278,285 -126,793
2006 21,096 53,574 1,257,927 -128,231
2005 15,718 50,576 1,224,165 -128,251
2004 16,673 35,143 1,175,379 -126,490
2003 7,263 34,472 1,118,435 -127,101
2002 7,233 39,404 1,063,195 -118,047
2001 11,315 34,924 1,026,242 -125,375
2000 12,302 13,952 985,185 -9,701
1999 9,203 16,849 948,659 -4,489
1998 9,183 12,517 920,806 -105,184
1997 12,218 10,262 882,544 -13,400
1996 12,188 15,684 868,524 -473,007
1995 11,150 1,937 838,980 -109,971
1994 12,139 17,636 803,953 349,348
1993 14,118 18,542 778,044 288,004
1992 20,090 25,941 767,961 -83,825
1991 22,010 27,038 762,011 -91,851
1990 19,935 8,299 750,825 -80,529
1989 13,912 7,301 743,854 -71,268
1988 14,853 3,929 736,551 -71,012
1987 11,844 3,525 718,580 94,498
1986 5,917 2,964 705,677 24,101
1985 2,958 2,165 697,867 86,864
1984 4,927 1,697 687,435 -26,938
1983 2,956 1,252 679,720 58,161
1982 7,885 1,100 662,627 -37,883
1981 11,831 2,826 645,496 -42,485
1980 10,845 11,482 629,444 -42,588
1979 11,818 11,277 613,388 -4,792
1978 7,872 10,828 595,024 27,307
1977 8,847 10,460 574,938 49,997
1976 1,964 10,360 553,617 54,875
1975 0 9,652 533,906 53,290
1974 7,818 8,924 515,152 51,127
1973 11,690 8,684 488,429 48,363
1972 18,451 8,384 467,305 57,489
1971 21,281 7,992 449,014 41,900
1970 23,173 19,393 427,988 38,635
1969 21,221 20,072 408,322 37,006
1968 20,199 19,809 389,467 34,455
1967 31,618 19,492 374,763 5,265
1966 36,206 18,985 360,229 5,049
1965 39,748 18,243 343,456 4,742
1964 51,580 17,687 328,527 9,090
1963 41,804 16,355 314,644 4,333
1962 42,414 14,829 300,663 3,916
1961 52,349 10,566 286,839 8,338
1960 40,275 9,893 275,814 1,946

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

GeoRank.org/population/belgium/tanzania | 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 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, 2,349,032 residents or 20% of the population were not native-born in Belgium, compared to 462,371 people or 0.7% in Tanzania.

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
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Morogoro 471K
Arusha 416K
Tanga 221K
Dodoma 214K
Moshi 145K

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/tanzania | 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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