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

Updated on by Georank team

The latest officially reported population of Bulgaria was 6,441,421 in 2024 vs 68,560,157 people in Tanzania in 2024. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,359,449 people compared to 73,145,892 in Tanzania.

Population statistics:

  • Tanzania's population is 11.5 times bigger than Bulgaria's.
  • Bulgaria is ranked the 112th most populous country in the world, while Tanzania is the 20th.
  • The countries together account for 0.96% of the world: 0.08% for Bulgaria vs 0.88% for Tanzania.
  • For the last 10 years, Bulgaria has had an average growth rate of -0.96% per year vs +3.13% in Tanzania.
  • Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.36M (16.3% decline), while Tanzania has grown from 40.3M to 73.1M (81.5% growth).

Bulgaria vs Tanzania: population by year and forecast

Bulgaria
Factual

Projection
Tanzania
Factual

Projection
1x
Year Population
Bulgaria Tanzania
2100 3,368,029 265,496,854
2099 3,392,444 263,162,785
2098 3,416,655 260,809,535
2097 3,440,938 258,412,520
2096 3,465,328 255,996,677
2095 3,489,216 253,567,416
2094 3,513,318 251,119,386
2093 3,537,356 248,628,881
2092 3,561,475 246,107,108
2091 3,585,597 243,557,182
2090 3,609,873 241,002,065
2089 3,634,642 238,416,591
2088 3,659,749 235,797,530
2087 3,685,668 233,167,455
2086 3,712,363 230,496,041
2085 3,739,898 227,800,292
2084 3,768,305 225,111,530
2083 3,797,217 222,421,279
2082 3,827,186 219,718,263
2081 3,857,721 216,995,478
2080 3,890,095 214,255,926
2079 3,923,403 211,486,253
2078 3,957,241 208,708,063
2077 3,992,168 205,918,120
2076 4,027,738 203,106,125
2075 4,064,356 200,297,474
2074 4,102,642 197,468,017
2073 4,141,518 194,642,633
2072 4,180,975 191,824,103
2071 4,221,261 188,992,017
2070 4,262,568 186,152,377
2069 4,304,304 183,311,218
2068 4,346,623 180,475,586
2067 4,389,924 177,639,469
2066 4,433,953 174,803,090
2065 4,478,521 171,913,445
2064 4,523,406 169,064,549
2063 4,568,385 166,217,933
2062 4,613,363 163,370,044
2061 4,658,825 160,537,159
2060 4,704,379 157,722,273
2059 4,749,738 154,920,005
2058 4,794,388 152,120,539
2057 4,839,236 149,325,489
2056 4,884,068 146,519,472
2055 4,929,309 143,736,540
2054 4,974,635 140,983,905
2053 5,020,162 138,262,668
2052 5,065,364 135,553,723
2051 5,110,833 132,851,383
2050 5,156,741 130,157,751
2049 5,202,941 127,495,278
2048 5,249,351 124,821,109
2047 5,296,642 122,158,290
2046 5,343,848 119,522,516
2045 5,391,354 116,914,785
2044 5,439,559 114,329,740
2043 5,488,407 111,776,234
2042 5,537,839 109,241,835
2041 5,588,510 106,748,632
2040 5,639,850 104,272,418
2039 5,692,028 101,814,304
2038 5,743,725 99,380,232
2037 5,796,645 96,983,729
2036 5,849,741 94,601,865
2035 5,902,025 92,257,269
2034 5,954,460 89,929,444
2033 6,007,050 87,654,982
2032 6,058,858 85,409,993
2031 6,111,118 83,180,507
2030 6,163,564 80,997,163
2029 6,214,784 78,838,461
2028 6,264,738 76,730,649
2027 6,313,255 74,647,063
2026 6,359,449 72,589,279
2025 6,402,394 70,552,589
2024 6,441,421 68,560,157
2023 6,446,596 66,617,606
2022 6,465,097 64,711,821
2021 6,507,301 62,830,412
2020 6,550,696 60,972,798
2019 6,616,726 59,174,891
2018 6,710,798 57,437,145
2017 6,803,468 55,652,890
2016 6,894,139 53,824,013
2015 6,984,225 52,020,962
2014 7,073,572 50,351,512
2013 7,160,005 48,824,128
2012 7,305,888 47,374,260
2011 7,348,328 46,029,367
2010 7,395,599 44,758,488
2009 7,444,443 43,633,982
2008 7,492,561 42,570,728
2007 7,545,338 41,435,512
2006 7,601,022 40,294,902
2005 7,658,972 39,182,076
2004 7,716,860 38,109,668
2003 7,775,327 37,089,555
2002 7,837,161 36,121,304
2001 8,009,142 35,198,299
2000 8,170,172 34,260,139
1999 8,210,624 33,300,330
1998 8,256,786 32,420,458
1997 8,312,068 31,578,089
1996 8,362,826 30,945,762
1995 8,406,067 30,383,497
1994 8,443,591 29,442,356
1993 8,472,313 28,332,692
1992 8,540,164 27,457,588
1991 8,632,367 26,780,436
1990 8,718,289 26,110,207
1989 8,876,972 25,438,759
1988 8,981,446 24,769,686
1987 8,971,359 24,030,378
1986 8,958,171 23,258,959
1985 8,960,547 22,501,693
1984 8,960,679 21,779,066
1983 8,939,738 21,079,874
1982 8,917,457 20,398,571
1981 8,891,117 19,784,703
1980 8,861,535 19,189,769
1979 8,825,940 18,592,038
1978 8,814,032 17,976,566
1977 8,804,183 17,352,929
1976 8,758,599 16,736,211
1975 8,720,742 16,138,361
1974 8,678,745 15,561,630
1973 8,620,967 15,010,101
1972 8,576,200 14,479,308
1971 8,536,395 13,971,451
1970 8,489,574 13,492,677
1969 8,434,172 13,036,700
1968 8,369,603 12,602,076
1967 8,310,226 12,200,109
1966 8,258,057 11,827,459
1965 8,204,168 11,470,728
1964 8,144,340 11,127,826
1963 8,078,145 10,799,528
1962 8,012,946 10,487,756
1961 7,943,118 10,187,886
1960 7,867,374 9,901,419

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

GeoRank.org/population/bulgaria/tanzania | CC BY

From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while Tanzania gained 13,529,111 people (a 33.6% growth).

For the next 10 years, from 2016 to 2026, Bulgaria lost 534,690 people (a 7.76% decline), while Tanzania's population increased by 19,321,879 people (a 35.9% growth).

Bulgaria was ranked 95th most populous country in 2006 and is 112th 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) Bulgaria's population will shrink by 18.9% to 5,156,741 people with a rank change from 112th to 128th. The population of Tanzania will increase by 77.9% to 130,157,751 people and rank change from 20th to 15th.

Tanzania is projected to reach its peak in 2100 at 265M people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.37M people by 2100.

Population growth rate by year

Bulgaria
Factual

Projection
Tanzania
Factual

Projection
1x
Year Growth rate
Bulgaria Tanzania
2100 -0.72% 0.89%
2099 -0.71% 0.9%
2098 -0.71% 0.93%
2097 -0.7% 0.94%
2096 -0.68% 0.96%
2095 -0.69% 0.97%
2094 -0.68% 1%
2093 -0.68% 1.02%
2092 -0.67% 1.05%
2091 -0.67% 1.06%
2090 -0.68% 1.08%
2089 -0.69% 1.11%
2088 -0.7% 1.13%
2087 -0.72% 1.16%
2086 -0.74% 1.18%
2085 -0.75% 1.19%
2084 -0.76% 1.21%
2083 -0.78% 1.23%
2082 -0.79% 1.25%
2081 -0.83% 1.28%
2080 -0.85% 1.31%
2079 -0.86% 1.33%
2078 -0.87% 1.35%
2077 -0.88% 1.38%
2076 -0.9% 1.4%
2075 -0.93% 1.43%
2074 -0.94% 1.45%
2073 -0.94% 1.47%
2072 -0.95% 1.5%
2071 -0.97% 1.53%
2070 -0.97% 1.55%
2069 -0.97% 1.57%
2068 -0.99% 1.6%
2067 -0.99% 1.62%
2066 -1% 1.68%
2065 -0.99% 1.69%
2064 -0.98% 1.71%
2063 -0.97% 1.74%
2062 -0.98% 1.76%
2061 -0.97% 1.78%
2060 -0.95% 1.81%
2059 -0.93% 1.84%
2058 -0.93% 1.87%
2057 -0.92% 1.92%
2056 -0.92% 1.94%
2055 -0.91% 1.95%
2054 -0.91% 1.97%
2053 -0.89% 2%
2052 -0.89% 2.03%
2051 -0.89% 2.07%
2050 -0.89% 2.09%
2049 -0.88% 2.14%
2048 -0.89% 2.18%
2047 -0.88% 2.21%
2046 -0.88% 2.23%
2045 -0.89% 2.26%
2044 -0.89% 2.28%
2043 -0.89% 2.32%
2042 -0.91% 2.34%
2041 -0.91% 2.37%
2040 -0.92% 2.41%
2039 -0.9% 2.45%
2038 -0.91% 2.47%
2037 -0.91% 2.52%
2036 -0.89% 2.54%
2035 -0.88% 2.59%
2034 -0.88% 2.59%
2033 -0.86% 2.63%
2032 -0.86% 2.68%
2031 -0.85% 2.7%
2030 -0.82% 2.74%
2029 -0.8% 2.75%
2028 -0.77% 2.79%
2027 -0.73% 2.83%
2026 -0.67% 2.89%
2025 -0.61% 2.91%
2024 -0.08% 2.92%
2023 -0.29% 2.95%
2022 -0.65% 2.99%
2021 -0.66% 3.05%
2020 -1% 3.04%
2019 -1.4% 3.03%
2018 -1.36% 3.21%
2017 -1.32% 3.4%
2016 -1.29% 3.47%
2015 -1.26% 3.32%
2014 -1.21% 3.13%
2013 -2% 3.06%
2012 -0.58% 2.92%
2011 -0.64% 2.84%
2010 -0.66% 2.58%
2009 -0.64% 2.5%
2008 -0.7% 2.74%
2007 -0.73% 2.83%
2006 -0.76% 2.84%
2005 -0.75% 2.81%
2004 -0.75% 2.75%
2003 -0.79% 2.68%
2002 -2.15% 2.62%
2001 -1.97% 2.74%
2000 -0.49% 2.88%
1999 -0.56% 2.71%
1998 -0.67% 2.67%
1997 -0.61% 2.04%
1996 -0.51% 1.85%
1995 -0.44% 3.2%
1994 -0.34% 3.92%
1993 -0.79% 3.19%
1992 -1.07% 2.53%
1991 -0.99% 2.57%
1990 -1.79% 2.64%
1989 -1.16% 2.7%
1988 0.11% 3.08%
1987 0.15% 3.32%
1986 -0.03% 3.37%
1985 -0.001% 3.32%
1984 0.23% 3.32%
1983 0.25% 3.34%
1982 0.3% 3.1%
1981 0.33% 3.1%
1980 0.4% 3.21%
1979 0.14% 3.42%
1978 0.11% 3.59%
1977 0.52% 3.68%
1976 0.43% 3.7%
1975 0.48% 3.71%
1974 0.67% 3.67%
1973 0.52% 3.67%
1972 0.47% 3.63%
1971 0.55% 3.55%
1970 0.66% 3.5%
1969 0.77% 3.45%
1968 0.71% 3.29%
1967 0.63% 3.15%
1966 0.66% 3.11%
1965 0.73% 3.08%
1964 0.82% 3.04%
1963 0.81% 2.97%
1962 0.88% 2.94%
1961 0.96% 2.89%

Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

GeoRank.org/population/bulgaria/tanzania | CC BY

In 2024, the population of Bulgaria declined by 0.08%, while Tanzania's population grew by 2.92%.

Live population counters

Bulgaria Tanzania
Current population
6359449
73145892
Population rank 112/197 20/197
Percent of world population 0.08% 0.88%
One net population change
1.69 hours
16.2 seconds
One birth every
9.16 minutes
13.4 seconds
One death every
5.19 minutes
1.36 minutes
Daily growth/decline -14 +5,322
Annual growth/decline -5,175 +1,942,551
Annual growth/decline rate -0.08% +2.92%
Population growth rate rank 171/197 18/197
One migration net change every
2.97 hours
41.4 minutes
Annual migration change -2,961 -12,730
Net migration rank 106/196 139/196
Foreign-born residents 299,100 462,371
Foreign-born residents rank 98/195 83/195
Foreign-born share of population 4.4% 0.7%
Foreign-born share rank 99/195 167/195

Natural population change vs migration

Bulgaria
Natural

Migration
Tanzania
Natural

Migration
1x
Year Population change
Bulgaria Tanzania
Natural Migration Natural Migration
2025 - -2,961 - -12,730
2024 - 524 - -29,865
2023 -43,837 5,173 1,960,623 -39,388
2022 -62,065 26,498 1,927,960 -37,557
2021 -90,452 11,756 1,880,137 -7,704
2020 -65,507 30,167 1,861,377 -18,587
2019 -46,317 -2,156 1,816,669 -63,602
2018 -46,304 -3,873 1,777,852 -55,444
2017 -45,583 -6,109 1,726,909 119,142
2016 -42,744 -9,482 1,659,502 152,194
2015 -44,699 -4,227 1,592,882 201,495
2014 -41,027 -2,180 1,565,630 -21,083
2013 -37,948 -1,324 1,509,008 1,241
2012 -40,183 -26,334 1,439,325 -49,875
2011 -37,477 -23,360 1,384,886 -84,546
2010 -34,759 -21,668 1,363,477 -122,020
2009 -26,800 -19,060 1,332,015 -324,478
2008 -32,967 -17,595 1,303,728 -184,816
2007 -37,727 -16,366 1,278,285 -126,793
2006 -39,526 -15,184 1,257,927 -128,231
2005 -42,124 -14,435 1,224,165 -128,251
2004 -40,128 -13,604 1,175,379 -126,490
2003 -44,319 -13,183 1,118,435 -127,101
2002 -46,240 -12,735 1,063,195 -118,047
2001 -44,050 -30,726 1,026,242 -125,375
2000 -41,668 -26,211 985,185 -9,701
1999 -39,411 -23,846 948,659 -4,489
1998 -52,844 -23,262 920,806 -105,184
1997 -58,185 -22,963 882,544 -13,400
1996 -45,159 -21,520 868,524 -473,007
1995 -42,030 -22,020 838,980 -109,971
1994 -32,086 -20,984 803,953 349,348
1993 -24,569 -19,973 778,044 288,004
1992 -18,789 -120,552 767,961 -83,825
1991 -14,675 -119,356 762,011 -91,851
1990 -3,487 -116,817 750,825 -80,529
1989 5,326 -114,705 743,854 -71,268
1988 9,879 215 736,551 -71,012
1987 8,971 357 718,580 94,498
1986 16,125 1,104 705,677 24,101
1985 11,649 -19,230 697,867 86,864
1984 20,610 -1,032 687,435 -26,938
1983 21,455 -1,872 679,720 58,161
1982 24,077 -1,860 662,627 -37,883
1981 29,341 -1,830 645,496 -42,485
1980 30,129 -2,045 629,444 -42,588
1979 40,599 -872 613,388 -4,792
1978 44,070 -62,769 595,024 27,307
1977 47,543 -11,955 574,938 49,997
1976 56,055 -2,522 553,617 54,875
1975 54,941 -38,071 533,906 53,290
1974 64,223 -1,402 515,152 51,127
1973 57,760 -5,409 488,429 48,363
1972 47,169 -11,296 467,305 57,489
1971 52,925 -7,654 449,014 41,900
1970 61,125 -11,315 427,988 38,635
1969 63,256 -3,204 408,322 37,006
1968 69,468 -132 389,467 34,455
1967 49,861 -420 374,763 5,265
1966 54,504 -144 360,229 5,049
1965 58,249 -1,406 343,456 4,742
1964 66,783 505 328,527 9,090
1963 66,241 500 314,644 4,333
1962 64,104 499 300,663 3,916
1961 75,460 378 286,839 8,338
1960 76,314 -1,112 275,814 1,946

Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06).

GeoRank.org/population/bulgaria/tanzania | CC BY

Over the last 10 years, 92.1% of the population change in Bulgaria is from natural causes (a loss of 528,535 people) and 7.94% is from migration (a gain of 45,567 people). In Tanzania 98.7% is from natural causes (a gain of 17,769,541 people) and 1.27% is from migration (a gain of 229,466 people).

As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 462,371 people or 0.7% in Tanzania.

Biggest cities by population

Bulgaria
City Population
Sofia 1.21M
Plovdiv 329K
Varna 319K
Burgas 189K
Stara Zagora 121K
Ruse 121K
Pleven 88.6K
Sliven 78.2K
Dobrich 69.4K
Shumen 66.6K
Tanzania
City Population
Dar es Salaam 4.72M
Zanzibar 710K
Mwanza 706K
Mbeya 542K
Arusha 416K
Tanga 221K
Dodoma 214K
Morogoro 207K
Moshi 145K
Stone Town 18K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

GeoRank.org/population/bulgaria/tanzania | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Wikidata (2026, retrieved 2026-02-08)
  5. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)

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