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

Updated on by Georank team

The latest officially reported population of Guinea-Bissau was 2,201,352 in 2024 vs 19,051,804 people in Romania in 2024. In 2026, based on the adjusted UN estimation, the current Guinea-Bissau's population is 2,311,915 people compared to 18,839,108 in Romania.

Population statistics:

  • Romania's population is 8.15 times bigger than Guinea-Bissau's.
  • Guinea-Bissau is ranked the 146th most populous country in the world, while Romania is the 70th.
  • The countries together account for 0.26% of the world: 0.03% for Guinea-Bissau vs 0.23% for Romania.
  • For the last 10 years, Guinea-Bissau has had an average growth rate of +2.4% per year vs -0.43% in Romania.
  • Since 2006, the population of Guinea-Bissau has increased from 1.42M people to 2.31M (63.4% growth), while Romania has declined from 21.2M to 18.8M (11.1% decline).

Guinea-Bissau vs Romania: population by year and forecast

Guinea-Bissau
Factual

Projection
Romania
Factual

Projection
1x
Year Population
Guinea-Bissau Romania
2100 4,713,717 10,801,385
2099 4,706,710 10,885,505
2098 4,700,179 10,969,050
2097 4,692,465 11,052,086
2096 4,683,547 11,134,776
2095 4,675,216 11,217,462
2094 4,663,709 11,299,298
2093 4,652,393 11,382,352
2092 4,640,186 11,464,817
2091 4,629,025 11,546,872
2090 4,617,372 11,630,335
2089 4,605,435 11,713,468
2088 4,592,696 11,796,733
2087 4,579,003 11,880,373
2086 4,563,387 11,966,550
2085 4,547,611 12,052,744
2084 4,530,795 12,140,454
2083 4,515,144 12,229,714
2082 4,498,757 12,319,480
2081 4,482,173 12,412,385
2080 4,462,572 12,507,333
2079 4,441,414 12,603,302
2078 4,419,851 12,700,870
2077 4,396,170 12,799,985
2076 4,371,588 12,900,610
2075 4,344,499 13,002,848
2074 4,319,080 13,107,513
2073 4,291,330 13,213,407
2072 4,263,400 13,323,211
2071 4,235,126 13,435,661
2070 4,206,800 13,550,449
2069 4,177,044 13,667,892
2068 4,145,996 13,786,771
2067 4,114,778 13,909,141
2066 4,083,481 14,034,214
2065 4,049,028 14,163,381
2064 4,014,305 14,293,294
2063 3,978,845 14,424,068
2062 3,942,144 14,557,025
2061 3,904,704 14,689,897
2060 3,868,649 14,821,441
2059 3,829,775 14,952,855
2058 3,790,102 15,082,857
2057 3,750,628 15,211,914
2056 3,711,479 15,340,213
2055 3,670,706 15,467,019
2054 3,627,775 15,590,545
2053 3,586,800 15,712,155
2052 3,544,101 15,834,374
2051 3,499,300 15,954,507
2050 3,453,604 16,073,070
2049 3,406,207 16,192,498
2048 3,359,168 16,311,535
2047 3,310,573 16,430,565
2046 3,263,932 16,547,661
2045 3,215,095 16,665,026
2044 3,167,811 16,783,383
2043 3,120,502 16,900,955
2042 3,073,261 17,018,000
2041 3,026,226 17,136,818
2040 2,978,546 17,253,674
2039 2,929,745 17,370,310
2038 2,881,381 17,488,193
2037 2,833,162 17,604,853
2036 2,783,763 17,721,511
2035 2,736,596 17,837,396
2034 2,688,639 17,950,976
2033 2,638,770 18,064,449
2032 2,589,298 18,176,399
2031 2,540,343 18,288,437
2030 2,492,311 18,399,699
2029 2,444,595 18,511,331
2028 2,396,565 18,621,197
2027 2,347,456 18,730,482
2026 2,298,738 18,839,108
2025 2,249,807 18,946,392
2024 2,201,352 19,051,804
2023 2,153,339 19,061,062
2022 2,105,529 19,048,502
2021 2,058,841 19,122,059
2020 2,013,255 19,265,250
2019 1,967,696 19,371,648
2018 1,922,168 19,473,970
2017 1,877,072 19,588,715
2016 1,831,893 19,702,267
2015 1,786,457 19,815,616
2014 1,741,122 19,908,979
2013 1,695,973 19,983,693
2012 1,651,417 20,058,035
2011 1,608,076 20,147,528
2010 1,566,347 20,246,871
2009 1,526,377 20,367,487
2008 1,488,054 20,537,875
2007 1,450,986 20,882,982
2006 1,415,303 21,193,760
2005 1,381,585 21,319,685
2004 1,349,563 21,451,748
2003 1,318,806 21,574,326
2002 1,289,307 21,730,496
2001 1,261,273 22,131,970
2000 1,234,741 22,442,971
1999 1,210,206 22,472,040
1998 1,187,473 22,507,344
1997 1,165,545 22,553,978
1996 1,143,535 22,619,004
1995 1,119,949 22,684,270
1994 1,092,031 22,730,211
1993 1,058,745 22,763,280
1992 1,024,356 22,794,284
1991 994,639 23,001,155
1990 973,669 23,201,835
1989 957,789 23,161,458
1988 942,061 23,057,662
1987 926,862 22,949,430
1986 912,126 22,836,841
1985 897,697 22,732,999
1984 883,519 22,640,547
1983 869,592 22,560,478
1982 855,891 22,475,741
1981 842,432 22,353,070
1980 829,303 22,207,282
1979 819,867 22,090,488
1978 791,694 21,951,464
1977 741,789 21,756,096
1976 694,191 21,551,634
1975 650,966 21,293,583
1974 613,338 21,029,429
1973 592,808 20,835,681
1972 586,620 20,657,957
1971 586,221 20,461,567
1970 584,403 20,250,398
1969 581,610 20,009,141
1968 578,170 19,799,831
1967 569,011 19,534,242
1966 566,908 19,215,450
1965 575,005 19,031,576
1964 588,543 18,919,126
1963 594,418 18,797,850
1962 589,474 18,676,550
1961 582,532 18,555,250
1960 577,633 18,406,905

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/guinea-bissau/romania | CC BY

From 2006 to 2016, the population of Guinea-Bissau increased by 416,590 people (a 29.4% growth), while Romania lost 1,491,493 people (a 7.04% decline).

For the next 10 years, from 2016 to 2026, Guinea-Bissau gained 480,022 people (a 26.2% growth), while Romania's population decreased by 863,159 people (a 4.38% decline).

Guinea-Bissau was ranked 148th most populous country in 2006 and is 146th in 2026. Romania was ranked 51st in 2006 and ranked 70th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Guinea-Bissau's population will grow by 49.4% to 3,453,604 people with a rank change from 146th to 136th. The population of Romania will decrease by 14.7% to 16,073,070 people and rank change from 70th to 81st.

Guinea-Bissau is projected to reach its peak in 2100 at 4.71M people, while Romania's population already peaked in 1990 at 23.2M people and is projected to decrease to 10.8M people by 2100.

Population growth rate by year

Guinea-Bissau
Factual

Projection
Romania
Factual

Projection
1x
Year Growth rate
Guinea-Bissau Romania
2100 0.15% -0.77%
2099 0.14% -0.76%
2098 0.16% -0.75%
2097 0.19% -0.74%
2096 0.18% -0.74%
2095 0.25% -0.72%
2094 0.24% -0.73%
2093 0.26% -0.72%
2092 0.24% -0.71%
2091 0.25% -0.72%
2090 0.26% -0.71%
2089 0.28% -0.71%
2088 0.3% -0.7%
2087 0.34% -0.72%
2086 0.35% -0.72%
2085 0.37% -0.72%
2084 0.35% -0.73%
2083 0.36% -0.73%
2082 0.37% -0.75%
2081 0.44% -0.76%
2080 0.48% -0.76%
2079 0.49% -0.77%
2078 0.54% -0.77%
2077 0.56% -0.78%
2076 0.62% -0.79%
2075 0.59% -0.8%
2074 0.65% -0.8%
2073 0.66% -0.82%
2072 0.67% -0.84%
2071 0.67% -0.85%
2070 0.71% -0.86%
2069 0.75% -0.86%
2068 0.76% -0.88%
2067 0.77% -0.89%
2066 0.85% -0.91%
2065 0.86% -0.91%
2064 0.89% -0.91%
2063 0.93% -0.91%
2062 0.96% -0.9%
2061 0.93% -0.89%
2060 1.02% -0.88%
2059 1.05% -0.86%
2058 1.05% -0.85%
2057 1.05% -0.84%
2056 1.11% -0.82%
2055 1.18% -0.79%
2054 1.14% -0.77%
2053 1.2% -0.77%
2052 1.28% -0.75%
2051 1.32% -0.74%
2050 1.39% -0.74%
2049 1.4% -0.73%
2048 1.47% -0.72%
2047 1.43% -0.71%
2046 1.52% -0.7%
2045 1.49% -0.71%
2044 1.52% -0.7%
2043 1.54% -0.69%
2042 1.55% -0.69%
2041 1.6% -0.68%
2040 1.67% -0.67%
2039 1.68% -0.67%
2038 1.7% -0.66%
2037 1.77% -0.66%
2036 1.72% -0.65%
2035 1.78% -0.63%
2034 1.89% -0.63%
2033 1.91% -0.62%
2032 1.93% -0.61%
2031 1.93% -0.6%
2030 1.95% -0.6%
2029 2% -0.59%
2028 2.09% -0.58%
2027 2.12% -0.58%
2026 2.17% -0.57%
2025 2.2% -0.55%
2024 2.23% -0.05%
2023 2.27% 0.07%
2022 2.27% -0.38%
2021 2.26% -0.74%
2020 2.32% -0.55%
2019 2.37% -0.53%
2018 2.4% -0.59%
2017 2.47% -0.58%
2016 2.54% -0.57%
2015 2.6% -0.47%
2014 2.66% -0.37%
2013 2.7% -0.37%
2012 2.7% -0.44%
2011 2.66% -0.49%
2010 2.62% -0.59%
2009 2.58% -0.83%
2008 2.55% -1.65%
2007 2.52% -1.47%
2006 2.44% -0.59%
2005 2.37% -0.62%
2004 2.33% -0.57%
2003 2.29% -0.72%
2002 2.22% -1.81%
2001 2.15% -1.39%
2000 2.03% -0.13%
1999 1.91% -0.16%
1998 1.88% -0.21%
1997 1.92% -0.29%
1996 2.11% -0.29%
1995 2.56% -0.2%
1994 3.14% -0.15%
1993 3.36% -0.14%
1992 2.99% -0.9%
1991 2.15% -0.86%
1990 1.66% 0.17%
1989 1.67% 0.45%
1988 1.64% 0.47%
1987 1.62% 0.49%
1986 1.61% 0.46%
1985 1.6% 0.41%
1984 1.6% 0.35%
1983 1.6% 0.38%
1982 1.6% 0.55%
1981 1.58% 0.66%
1980 1.15% 0.53%
1979 3.56% 0.63%
1978 6.73% 0.9%
1977 6.86% 0.95%
1976 6.64% 1.21%
1975 6.13% 1.26%
1974 3.46% 0.93%
1973 1.05% 0.86%
1972 0.07% 0.96%
1971 0.31% 1.04%
1970 0.48% 1.21%
1969 0.59% 1.06%
1968 1.61% 1.36%
1967 0.37% 1.66%
1966 -1.41% 0.97%
1965 -2.3% 0.59%
1964 -0.99% 0.65%
1963 0.84% 0.65%
1962 1.19% 0.65%
1961 0.85% 0.81%

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/guinea-bissau/romania | CC BY

In 2024, the population of Guinea-Bissau grew by 2.23%, while Romania's population declined by 0.05%.

Live population counters

Guinea-Bissau Romania
Current population
2311915
18839108
Population rank 146/197 70/197
Percent of world population 0.03% 0.23%
One net population change
10.9 minutes
56.8 minutes
One birth every
8.13 minutes
3.45 minutes
One death every
34.6 minutes
2.17 minutes
Daily growth/decline +132 -25
Annual growth/decline +48,013 -9,258
Annual growth/decline rate +2.23% -0.05%
Population growth rate rank 42/197 169/197
One migration net change every
6.4 hours
18.1 minutes
Annual migration change -1,373 -29,041
Net migration rank 96/196 163/196
Foreign-born residents 15,064 655,579
Foreign-born residents rank 172/195 73/195
Foreign-born share of population 0.7% 3.4%
Foreign-born share rank 165/195 112/195

Natural population change vs migration

Guinea-Bissau
Natural

Migration
Romania
Natural

Migration
1x
Year Population change
Guinea-Bissau Romania
Natural Migration Natural Migration
2025 - -1,373 - -29,041
2024 - -1,712 - -28,466
2023 49,498 -1,400 -89,587 -27,780
2022 48,920 -1,400 -93,338 89,076
2021 47,242 -1,395 -141,504 -17,731
2020 46,718 -1,394 -100,179 -13,202
2019 47,196 -1,395 -60,053 -27,909
2018 46,659 -1,396 -62,316 -33,018
2017 46,318 -1,398 -50,930 -33,081
2016 46,814 -1,392 -53,196 -33,073
2015 46,846 -1,393 -59,447 -35,751
2014 46,615 -1,393 -55,745 -35,448
2013 46,472 -1,395 -59,951 -34,910
2012 45,480 -1,442 -54,157 -37,589
2011 44,405 -1,760 -56,413 -102,769
2010 43,067 -2,257 -46,567 -122,364
2009 41,950 -2,821 -34,625 -137,953
2008 40,841 -3,313 -30,806 -144,368
2007 40,288 -3,676 -37,590 -133,089
2006 38,886 -4,142 -38,148 -132,777
2005 37,347 -4,662 -40,508 -131,176
2004 36,495 -5,144 -42,904 -117,432
2003 35,649 -5,487 -56,093 -107,139
2002 34,561 -5,712 -58,673 -106,585
2001 33,461 -6,239 -37,625 -91,154
2000 32,816 -6,971 -22,443 -92,451
1999 30,916 -7,686 -31,461 -82,590
1998 30,390 -8,163 -33,761 -81,366
1997 29,792 -8,176 -42,853 -88,734
1996 29,778 -7,369 -56,548 -70,799
1995 29,142 -4,376 -36,295 -73,779
1994 27,895 3,174 -18,184 -76,246
1993 26,943 8,562 -13,658 -73,475
1992 25,747 7,531 -4,559 -63,200
1991 24,527 1,621 25,301 -36,824
1990 23,936 -8,151 69,605 -38,157
1989 24,286 -8,296 122,756 -33,866
1988 23,940 -8,473 126,817 -48,911
1987 23,549 -8,622 128,517 -42,868
1986 23,301 -8,748 134,737 -50,450
1985 23,116 -8,812 111,392 -28,108
1984 22,861 -8,812 117,731 -24,629
1983 22,542 -8,729 87,986 3,093
1982 22,131 -8,539 119,121 -4,725
1981 21,611 -8,291 156,472 -20,870
1980 21,024 -8,086 168,776 -16,668
1979 19,736 -13,801 194,397 -29,600
1978 17,468 32,936 204,148 -31,427
1977 15,484 33,922 215,385 -28,135
1976 13,688 32,113 213,361 18,748
1975 11,998 28,645 219,324 9,125
1974 10,321 24,290 235,530 6,725
1973 8,430 -1,985 175,020 58,651
1972 7,911 -1,985 198,316 61,920
1971 8,183 -13,302 206,662 74,473
1970 7,632 1,123 234,905 71,919
1969 7,857 -11,033 264,120 74,851
1968 7,289 2,769 338,577 33,601
1967 6,742 1,516 347,709 37,282
1966 6,955 -11,006 115,293 -25,458
1965 7,789 -19,928 114,190 -60,430
1964 8,989 -23,936 134,326 -59,500
1963 9,190 -5,993 139,104 -58,076
1962 10,662 -3,960 130,736 -56,152
1961 10,756 -3,575 163,286 -54,642
1960 10,618 -8,007 191,431 -55,397

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

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

Over the last 10 years, 97.1% of the population change in Guinea-Bissau is from natural causes (a gain of 472,826 people) and 2.87% is from migration (a loss of 13,956 people). In Romania 82% is from natural causes (a loss of 766,295 people) and 18% is from migration (a loss of 167,917 people).

As of 2024, 15,064 residents or 0.7% of the population were not native-born in Guinea-Bissau, compared to 655,579 people or 3.4% in Romania.

Biggest cities by population

Guinea-Bissau
City Population
Bissau 492K
Bafata 29.6K
Romania
City Population
Bucharest 1.72M
Cluj-Napoca 287K
Iasi 272K
Constanta 264K
Timisoara 251K
Brasov 238K
Craiova 234K
Galati 218K
Oradea 183K
Ploiesti 181K

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/guinea-bissau/romania | 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. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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