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🇬🇼 Guinea-Bissau

Flag of Guinea-BissauNational Flag

Geography & Borders

GuineaGuineaSenegalSenegal

Introduction & Background

Guinea-Bissau (/ˌɡɪni bɪˈsaʊ/ⓘ GHIN-ee biss-OW; Template:Lang-pt; Template:Lang-ff; Mandinka: ߖߌߣߍߺ ߓߌߛߊߥߏ߫ Gine-Bisawo), officially the Republic of Guinea-Bissau (Template:Lang-pt Template:IPA-pt), is a country in West Africa that covers 36,125 square kilometres (13,948sqmi) with an estimated population of 1,726,000. It borders Senegal to the north and Guinea to the south-east.10

Guinea-Bissau was once part of the kingdom of Kaabu,11 as well as part of the Mali Empire.11 Parts of this kingdom persisted until the 18th century, while a few others were under some rule by the Portuguese Empire since the 16th century. In the 19th century, it was colonised as Portuguese Guinea.11 Portuguese control was restricted and weak until the early 20th century with the pacification campaigns, these campaigns solidified Portuguese sovereignty in the area. The final Portuguese victory over the remaining bastion of mainland resistance, the Papel ruled Kingdom of Bissau in 1915 by the Portuguese military office Teixeira Pinto, and recruited Wolof mercenary Abdul injai was the event to solidify mainland control.12 The Bissagos, islands off the coast of Guinea-Bissau, were officially conquered in 1936, ensuring Portuguese control of both the mainland and islands of the region.13 Upon independence, declared in 1973 and recognised in 1974, the name of its capital, Bissau, was added to the country's name to prevent confusion with Guinea (formerly French Guinea). Guinea-Bissau has a history of political instability since independence, and only one elected president (José Mário Vaz) has successfully served a full five-year term.14 The current president is Umaro Sissoco Embaló, who was elected on 29 December 2019.15

Key Information
AttributeDetails
Official Name
Republic of Guinea-Bissau
Capital
Bissau
Continent
Africa
Region / Subregion
Africa / Western Africa
Population
1,781,308
Area
36,125 km²
Languages
Portuguese, Upper Guinea Creole
Currencies
West African CFA franc (Fr) [XOF]
Cost of Living
25 / 100 (Low)
Price per Coffee
$1.25
Price per Meal
$5.00
Timezones
UTC±00 (GMT)
Bounding Box
Min: (11.04° N, 16.68° W)
Max: (12.63° N, 13.7° W)
Climate
Temperate
Terrain
Low coastal plains, savanna grasslands, and tropical rainforests

Geography & Climate

Climate, weather, and air quality data are based on historical records for the coordinates of the capital city, Bissau.

Temperature (2025)

15°25°35°45°
Jan
20.7° / 35.2°
Feb
21.3° / 36.4°
Mar
22.6° / 36.8°
Apr
23.7° / 35.9°
May
24.9° / 33.9°
Jun
25.1° / 32°
Jul
23.4° / 28.5°
Aug
23.4° / 28.7°
Sep
23.4° / 29°
Oct
23.9° / 31.4°
Nov
23.6° / 32°
Dec
20.6° / 31.2°

Precipitation & Snow (2025)

0Jan
0Feb
0Mar
0Apr
22May
91Jun
487Jul
626Aug
450Sep
117Oct
39Nov
3Dec
Rain (mm) Snow (cm)

Atmospheric Pressure (2025)

1008.1-0.6Jan
1006.8-1.9Feb
1006.9-1.8Mar
1006.6-2.1Apr
1008.70May
1010.4+1.7Jun
1011.2+2.5Jul
1010.1+1.4Aug
1009.9+1.2Sep
1009.2+0.5Oct
1008.5-0.2Nov
1008.2-0.5Dec

Thunderstorm Days (2025)

0Jan
0Feb
0Mar
0Apr
0May
0Jun
0Jul
0Aug
0Sep
0Oct
0Nov
0Dec

Wind Speed (2025)

Jan
14.1
Feb
15.7
Mar
15.2
Apr
16.1
May
14.3
Jun
13.1
Jul
14.6
Aug
14.9
Sep
11.8
Oct
10.7
Nov
11.1
Dec
14

Air Quality — Monthly Averages (2025)

MetricJanFebMarAprMayJunJulAugSepOctNovDec
PM2.5 μg/m³4048.524.722.636.915.45.25.45.214.218.931.5
PM10 μg/m³101.6123.761.865.890.9329.710.69.527.139.394.4
O₃ μg/m³63.973.277.576.68255.943.138.23648.15653.6
NO₂ μg/m³1.61.81.61.41.91.20.70.811.11.21.2
SO₂ μg/m³0.90.80.811.20.40.20.20.20.30.50.7
CO μg/m³206207172160179155121125158188202184

Pollen Levels — Monthly (2025)

Pollen data is negligible or unavailable for this location.

⛰️ Highest Elevation

Monte Torin
▲
Monte Torin262 m / 860 ft
📷 Unknown

  • Map Locations: Google Maps | OpenStreetMap

People & Society

Total Population2,153,339Density: 76.58 / km²
Annual Growth Rate+2.25%Rapid Growth
Life Expectancy64.08 yrsAverage lifespan at birth
Fertility Rate3.84Births per woman



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