Gambia vs Guinea-Bissau

Guinea-Bissau is 3.2 times larger than Gambia. Gambia would fit into Guinea-Bissau about 3.2 times.

GambiaGuinea-BissauGambia moved onto Guinea-Bissau · Equal-area projection
0.31×
Gambia is 0.31× the area of Guinea-Bissau. Put the other way, Guinea-Bissau is 3.2× the size of Gambia.
GambiaGuinea-Bissau
Area11,300 km²36,125 km²
Population2,822,0932,249,515
Density250 / km²62 / km²
CapitalBanjulBissau
RegionWestern AfricaWestern Africa
CoastlineHas a coastHas a coast
Neighbours12

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Gambia sits at about 13°N and is stretched to 1.06× its true area; Guinea-Bissau at 12° N is stretched to 1.05×. Here the two are distorted about the same amount, so Mercator gets this pair roughly right. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is Gambia bigger than Guinea-Bissau?
No. Gambia is 3.2 times smaller than Guinea-Bissau. Gambia covers 11,300 km² and Guinea-Bissau covers 36,125 km².
How many times does Gambia fit into Guinea-Bissau?
About 3.2 times: Guinea-Bissau has 3.2× the area of Gambia.
Why do Gambia and Guinea-Bissau look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Gambia is drawn about 1.06× its true area there and Guinea-Bissau about 1.05×. For this pair the distortion is similar, so Mercator gets the comparison roughly right. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, Gambia or Guinea-Bissau?
Gambia: 2,822,093 people against 2,249,515. Density: Gambia 250 per km², Guinea-Bissau 62 per km².