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Population in Bulgaria compared to Guinea-Bissau: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Bulgaria was 6,433,302 in 2025 vs 2,249,515 people in Guinea-Bissau in 2025. In 2026, based on the adjusted UN estimation, the current Bulgaria's population is 6,390,149 people compared to 2,323,460 in Guinea-Bissau.

Population statistics:

  • Bulgaria's population is 2.75 times bigger than Guinea-Bissau's.
  • Bulgaria is ranked the 112th most populous country in the world, while Guinea-Bissau is the 146th.
  • The countries together account for 0.1% of the world: 0.08% for Bulgaria vs 0.03% for Guinea-Bissau.
  • For the last 10 years, Bulgaria has had an average growth rate of -0.86% per year vs +2.36% in Guinea-Bissau.
  • Since 2006, the population of Bulgaria has decreased from 7.6M people to 6.39M (15.9% decline), while Guinea-Bissau has grown from 1.42M to 2.32M (64.2% growth).

Bulgaria vs Guinea-Bissau: population by year and forecast

Bulgaria
Factual

Projection
Guinea-Bissau
Factual

Projection
1x
Year Population
Bulgaria Guinea-Bissau
2100 3,384,288 4,713,104
2099 3,408,821 4,706,098
2098 3,433,149 4,699,568
2097 3,457,549 4,691,855
2096 3,482,057 4,682,938
2095 3,506,060 4,674,608
2094 3,530,278 4,663,103
2093 3,554,432 4,651,788
2092 3,578,667 4,639,582
2091 3,602,907 4,628,423
2090 3,627,300 4,616,772
2089 3,652,188 4,604,837
2088 3,677,416 4,592,099
2087 3,703,460 4,578,407
2086 3,730,284 4,562,793
2085 3,757,953 4,547,020
2084 3,786,496 4,530,206
2083 3,815,548 4,514,557
2082 3,845,662 4,498,172
2081 3,876,344 4,481,590
2080 3,908,874 4,461,992
2079 3,942,344 4,440,836
2078 3,976,345 4,419,277
2077 4,011,440 4,395,599
2076 4,047,182 4,371,019
2075 4,083,977 4,343,934
2074 4,122,447 4,318,519
2073 4,161,511 4,290,772
2072 4,201,158 4,262,846
2071 4,241,639 4,234,576
2070 4,283,145 4,206,253
2069 4,325,083 4,176,501
2068 4,367,606 4,145,457
2067 4,411,116 4,114,243
2066 4,455,358 4,082,951
2065 4,500,141 4,048,502
2064 4,545,243 4,013,784
2063 4,590,439 3,978,328
2062 4,635,634 3,941,631
2061 4,681,315 3,904,197
2060 4,727,089 3,868,146
2059 4,772,667 3,829,277
2058 4,817,532 3,789,609
2057 4,862,597 3,750,140
2056 4,907,646 3,710,996
2055 4,953,105 3,670,229
2054 4,998,650 3,627,303
2053 5,044,397 3,586,333
2052 5,089,817 3,543,640
2051 5,135,505 3,498,845
2050 5,181,635 3,453,155
2049 5,228,058 3,405,764
2048 5,274,692 3,358,731
2047 5,322,212 3,310,142
2046 5,369,645 3,263,507
2045 5,417,381 3,214,677
2044 5,465,818 3,167,400
2043 5,514,902 3,120,097
2042 5,564,573 3,072,862
2041 5,615,489 3,025,833
2040 5,667,076 2,978,159
2039 5,719,506 2,929,364
2038 5,771,452 2,881,007
2037 5,824,628 2,832,794
2036 5,877,980 2,783,401
2035 5,930,517 2,736,240
2034 5,983,205 2,688,290
2033 6,036,049 2,638,427
2032 6,088,107 2,588,961
2031 6,140,619 2,540,013
2030 6,193,318 2,491,987
2029 6,244,785 2,444,278
2028 6,294,981 2,396,253
2027 6,343,732 2,347,151
2026 6,390,149 2,298,439
2025 6,433,302 2,249,515
2024 6,441,421 2,201,352
2023 6,446,596 2,153,339
2022 6,465,097 2,105,529
2021 6,507,301 2,058,841
2020 6,550,696 2,013,255
2019 6,616,726 1,967,696
2018 6,710,798 1,922,168
2017 6,803,468 1,877,072
2016 6,894,139 1,831,893
2015 6,984,225 1,786,457
2014 7,073,572 1,741,122
2013 7,160,005 1,695,973
2012 7,305,888 1,651,417
2011 7,348,328 1,608,076
2010 7,395,599 1,566,347
2009 7,444,443 1,526,377
2008 7,492,561 1,488,054
2007 7,545,338 1,450,986
2006 7,601,022 1,415,303
2005 7,658,972 1,381,585
2004 7,716,860 1,349,563
2003 7,775,327 1,318,806
2002 7,837,161 1,289,307
2001 8,009,142 1,261,273
2000 8,170,172 1,234,741
1999 8,210,624 1,210,206
1998 8,256,786 1,187,473
1997 8,312,068 1,165,545
1996 8,362,826 1,143,535
1995 8,406,067 1,119,949
1994 8,443,591 1,092,031
1993 8,472,313 1,058,745
1992 8,540,164 1,024,356
1991 8,632,367 994,639
1990 8,718,289 973,669
1989 8,876,972 957,789
1988 8,981,446 942,061
1987 8,971,359 926,862
1986 8,958,171 912,126
1985 8,960,547 897,697
1984 8,960,679 883,519
1983 8,939,738 869,592
1982 8,917,457 855,891
1981 8,891,117 842,432
1980 8,861,535 829,303
1979 8,825,940 819,867
1978 8,814,032 791,694
1977 8,804,183 741,789
1976 8,758,599 694,191
1975 8,720,742 650,966
1974 8,678,745 613,338
1973 8,620,967 592,808
1972 8,576,200 586,620
1971 8,536,395 586,221
1970 8,489,574 584,403
1969 8,434,172 581,610
1968 8,369,603 578,170
1967 8,310,226 569,011
1966 8,258,057 566,908
1965 8,204,168 575,005
1964 8,144,340 588,543
1963 8,078,145 594,418
1962 8,012,946 589,474
1961 7,943,118 582,532
1960 7,867,374 577,633

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/bulgaria/guinea-bissau | CC BY

From 2006 to 2016, the population of Bulgaria decreased by 706,883 people (a 9.3% decline), while Guinea-Bissau gained 416,590 people (a 29.4% growth).

For the next 10 years, from 2016 to 2026, Bulgaria lost 503,990 people (a 7.31% decline), while Guinea-Bissau's population increased by 491,567 people (a 26.8% growth).

Bulgaria was ranked 95th most populous country in 2006 and is 112th in 2026. Guinea-Bissau was ranked 148th in 2006 and ranked 146th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Bulgaria's population will shrink by 18.9% to 5,181,635 people with a rank change from 112th to 128th. The population of Guinea-Bissau will increase by 48.6% to 3,453,155 people and rank change from 146th to 136th.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.38M people by 2100.

Population growth rate by year

Bulgaria
Factual

Projection
Guinea-Bissau
Factual

Projection
1x
Year Growth rate
Bulgaria Guinea-Bissau
2100 -0.72% 0.15%
2099 -0.71% 0.14%
2098 -0.71% 0.16%
2097 -0.7% 0.19%
2096 -0.68% 0.18%
2095 -0.69% 0.25%
2094 -0.68% 0.24%
2093 -0.68% 0.26%
2092 -0.67% 0.24%
2091 -0.67% 0.25%
2090 -0.68% 0.26%
2089 -0.69% 0.28%
2088 -0.7% 0.3%
2087 -0.72% 0.34%
2086 -0.74% 0.35%
2085 -0.75% 0.37%
2084 -0.76% 0.35%
2083 -0.78% 0.36%
2082 -0.79% 0.37%
2081 -0.83% 0.44%
2080 -0.85% 0.48%
2079 -0.86% 0.49%
2078 -0.87% 0.54%
2077 -0.88% 0.56%
2076 -0.9% 0.62%
2075 -0.93% 0.59%
2074 -0.94% 0.65%
2073 -0.94% 0.66%
2072 -0.95% 0.67%
2071 -0.97% 0.67%
2070 -0.97% 0.71%
2069 -0.97% 0.75%
2068 -0.99% 0.76%
2067 -0.99% 0.77%
2066 -1% 0.85%
2065 -0.99% 0.86%
2064 -0.98% 0.89%
2063 -0.97% 0.93%
2062 -0.98% 0.96%
2061 -0.97% 0.93%
2060 -0.95% 1.02%
2059 -0.93% 1.05%
2058 -0.93% 1.05%
2057 -0.92% 1.05%
2056 -0.92% 1.11%
2055 -0.91% 1.18%
2054 -0.91% 1.14%
2053 -0.89% 1.2%
2052 -0.89% 1.28%
2051 -0.89% 1.32%
2050 -0.89% 1.39%
2049 -0.88% 1.4%
2048 -0.89% 1.47%
2047 -0.88% 1.43%
2046 -0.88% 1.52%
2045 -0.89% 1.49%
2044 -0.89% 1.52%
2043 -0.89% 1.54%
2042 -0.91% 1.55%
2041 -0.91% 1.6%
2040 -0.92% 1.67%
2039 -0.9% 1.68%
2038 -0.91% 1.7%
2037 -0.91% 1.77%
2036 -0.89% 1.72%
2035 -0.88% 1.78%
2034 -0.88% 1.89%
2033 -0.86% 1.91%
2032 -0.86% 1.93%
2031 -0.85% 1.93%
2030 -0.82% 1.95%
2029 -0.8% 2%
2028 -0.77% 2.09%
2027 -0.73% 2.12%
2026 -0.67% 2.17%
2025 -0.13% 2.19%
2024 -0.08% 2.23%
2023 -0.29% 2.27%
2022 -0.65% 2.27%
2021 -0.66% 2.26%
2020 -1% 2.32%
2019 -1.4% 2.37%
2018 -1.36% 2.4%
2017 -1.32% 2.47%
2016 -1.29% 2.54%
2015 -1.26% 2.6%
2014 -1.21% 2.66%
2013 -2% 2.7%
2012 -0.58% 2.7%
2011 -0.64% 2.66%
2010 -0.66% 2.62%
2009 -0.64% 2.58%
2008 -0.7% 2.55%
2007 -0.73% 2.52%
2006 -0.76% 2.44%
2005 -0.75% 2.37%
2004 -0.75% 2.33%
2003 -0.79% 2.29%
2002 -2.15% 2.22%
2001 -1.97% 2.15%
2000 -0.49% 2.03%
1999 -0.56% 1.91%
1998 -0.67% 1.88%
1997 -0.61% 1.92%
1996 -0.51% 2.11%
1995 -0.44% 2.56%
1994 -0.34% 3.14%
1993 -0.79% 3.36%
1992 -1.07% 2.99%
1991 -0.99% 2.15%
1990 -1.79% 1.66%
1989 -1.16% 1.67%
1988 0.11% 1.64%
1987 0.15% 1.62%
1986 -0.03% 1.61%
1985 -0.001% 1.6%
1984 0.23% 1.6%
1983 0.25% 1.6%
1982 0.3% 1.6%
1981 0.33% 1.58%
1980 0.4% 1.15%
1979 0.14% 3.56%
1978 0.11% 6.73%
1977 0.52% 6.86%
1976 0.43% 6.64%
1975 0.48% 6.13%
1974 0.67% 3.46%
1973 0.52% 1.05%
1972 0.47% 0.07%
1971 0.55% 0.31%
1970 0.66% 0.48%
1969 0.77% 0.59%
1968 0.71% 1.61%
1967 0.63% 0.37%
1966 0.66% -1.41%
1965 0.73% -2.3%
1964 0.82% -0.99%
1963 0.81% 0.84%
1962 0.88% 1.19%
1961 0.96% 0.85%

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/bulgaria/guinea-bissau | CC BY

In 2025, the population of Bulgaria declined by 0.13%, while Guinea-Bissau's population grew by 2.19%.

Live population counters

Bulgaria Guinea-Bissau
Current population
6390149
2323460
Population rank 112/197 146/197
Percent of world population 0.08% 0.03%
One net population change
1.08 hours
10.9 minutes
One birth every
9.83 minutes
8.08 minutes
One death every
5.23 minutes
34.1 minutes
Daily growth/decline -22 +132
Annual growth/decline -8,119 +48,163
Annual growth/decline rate -0.13% +2.19%
Population growth rate rank 168/197 41/197
One migration net change every
2.97 hours
6.4 hours
Annual migration change -2,961 -1,373
Net migration rank 106/196 96/196
Foreign-born residents 299,100 15,064
Foreign-born residents rank 98/195 172/195
Foreign-born share of population 4.4% 0.7%
Foreign-born share rank 99/195 165/195

Natural population change vs migration

Bulgaria
Natural

Migration
Guinea-Bissau
Natural

Migration
1x
Year Population change
Bulgaria Guinea-Bissau
Natural Migration Natural Migration
2025 - -2,961 - -1,373
2024 -47,023 524 49,642 -1,712
2023 -43,837 5,173 49,498 -1,400
2022 -62,065 26,498 48,920 -1,400
2021 -90,452 11,756 47,242 -1,395
2020 -65,507 30,167 46,718 -1,394
2019 -46,317 -2,156 47,196 -1,395
2018 -46,304 -3,873 46,659 -1,396
2017 -45,583 -6,109 46,318 -1,398
2016 -42,744 -9,482 46,814 -1,392
2015 -44,699 -4,227 46,846 -1,393
2014 -41,027 -2,180 46,615 -1,393
2013 -37,948 -1,324 46,472 -1,395
2012 -40,183 -26,334 45,480 -1,442
2011 -37,477 -23,360 44,405 -1,760
2010 -34,759 -21,668 43,067 -2,257
2009 -26,800 -19,060 41,950 -2,821
2008 -32,967 -17,595 40,841 -3,313
2007 -37,727 -16,366 40,288 -3,676
2006 -39,526 -15,184 38,886 -4,142
2005 -42,124 -14,435 37,347 -4,662
2004 -40,128 -13,604 36,495 -5,144
2003 -44,319 -13,183 35,649 -5,487
2002 -46,240 -12,735 34,561 -5,712
2001 -44,050 -30,726 33,461 -6,239
2000 -41,668 -26,211 32,816 -6,971
1999 -39,411 -23,846 30,916 -7,686
1998 -52,844 -23,262 30,390 -8,163
1997 -58,185 -22,963 29,792 -8,176
1996 -45,159 -21,520 29,778 -7,369
1995 -42,030 -22,020 29,142 -4,376
1994 -32,086 -20,984 27,895 3,174
1993 -24,569 -19,973 26,943 8,562
1992 -18,789 -120,552 25,747 7,531
1991 -14,675 -119,356 24,527 1,621
1990 -3,487 -116,817 23,936 -8,151
1989 5,326 -114,705 24,286 -8,296
1988 9,879 215 23,940 -8,473
1987 8,971 357 23,549 -8,622
1986 16,125 1,104 23,301 -8,748
1985 11,649 -19,230 23,116 -8,812
1984 20,610 -1,032 22,861 -8,812
1983 21,455 -1,872 22,542 -8,729
1982 24,077 -1,860 22,131 -8,539
1981 29,341 -1,830 21,611 -8,291
1980 30,129 -2,045 21,024 -8,086
1979 40,599 -872 19,736 -13,801
1978 44,070 -62,769 17,468 32,936
1977 47,543 -11,955 15,484 33,922
1976 56,055 -2,522 13,688 32,113
1975 54,941 -38,071 11,998 28,645
1974 64,223 -1,402 10,321 24,290
1973 57,760 -5,409 8,430 -1,985
1972 47,169 -11,296 7,911 -1,985
1971 52,925 -7,654 8,183 -13,302
1970 61,125 -11,315 7,632 1,123
1969 63,256 -3,204 7,857 -11,033
1968 69,468 -132 7,289 2,769
1967 49,861 -420 6,742 1,516
1966 54,504 -144 6,955 -11,006
1965 58,249 -1,406 7,789 -19,928
1964 66,783 505 8,989 -23,936
1963 66,241 500 9,190 -5,993
1962 64,104 499 10,662 -3,960
1961 75,460 378 10,756 -3,575
1960 76,314 -1,112 10,618 -8,007

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

GeoRank.org/population/bulgaria/guinea-bissau | CC BY

Over the last 10 years, 91.7% of the population change in Bulgaria is from natural causes (a loss of 534,531 people) and 8.28% is from migration (a gain of 48,271 people). In Guinea-Bissau 97.1% is from natural causes (a gain of 475,853 people) and 2.91% is from migration (a loss of 14,275 people).

As of 2024, 299,100 residents or 4.4% of the population were not native-born in Bulgaria, compared to 15,064 people or 0.7% in Guinea-Bissau.

Biggest cities by population

Bulgaria
City Population
Sofia 1.21M
Plovdiv 334K
Varna 323K
Burgas 189K
Stara Zagora 121K
Ruse 120K
Pleven 88.1K
Sliven 77.8K
Dobrich 68.6K
Shumen 66.4K
Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K

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/bulgaria/guinea-bissau | 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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