Guinea-Bissau vs South Sudan

South Sudan is 17.8 times larger than Guinea-Bissau. Guinea-Bissau would fit into South Sudan about 18 times.

Guinea-BissauSouth SudanGuinea-Bissau moved onto South Sudan · Equal-area projection
0.06×
Guinea-Bissau is 0.06× the area of South Sudan. Put the other way, South Sudan is 17.8× the size of Guinea-Bissau.
Guinea-BissauSouth Sudan
Area36,125 km²644,329 km²
Population2,249,51512,188,788
Density62 / km²19 / km²
CapitalBissauJuba
RegionWestern AfricaEastern Africa
CoastlineHas a coastLandlocked
Neighbours26

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Guinea-Bissau sits at about 12°N and is stretched to 1.05× its true area; South Sudan at 7° N is stretched to 1.02×. 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 Guinea-Bissau bigger than South Sudan?
No. Guinea-Bissau is 17.8 times smaller than South Sudan. Guinea-Bissau covers 36,125 km² and South Sudan covers 644,329 km².
How many times does Guinea-Bissau fit into South Sudan?
About 18 times: South Sudan has 17.8× the area of Guinea-Bissau.
Why do Guinea-Bissau and South Sudan look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Guinea-Bissau is drawn about 1.05× its true area there and South Sudan about 1.02×. 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, Guinea-Bissau or South Sudan?
South Sudan: 12,188,788 people against 2,249,515. Density: Guinea-Bissau 62 per km², South Sudan 19 per km².