Guam vs São Tomé and Principe

São Tomé and Principe is 84% larger than Guam. Guam would fit into São Tomé and Principe about 1.8 times.

GuamSão Tomé and PrincipeGuam moved onto São Tomé and Principe · Equal-area projection
0.54×
Guam is 0.54× the area of São Tomé and Principe. Put the other way, São Tomé and Principe is 1.84× the size of Guam.
GuamSão Tomé and Principe
Area544 km²1,001 km²
Population168,999240,254
Density311 / km²240 / km²
CapitalAganaSao Tome
RegionMicronesiaMiddle Africa
CoastlineHas a coastHas a coast
Neighbours00

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Guam sits at about 13°N and is stretched to 1.06× its true area; São Tomé and Principe at 0° N is stretched to 1.0×. 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 Guam bigger than São Tomé and Principe?
No. Guam is 46% smaller than São Tomé and Principe. Guam covers 544 km² and São Tomé and Principe covers 1,001 km².
How many times does Guam fit into São Tomé and Principe?
About 1.8 times: São Tomé and Principe has 1.84× the area of Guam.
Why do Guam and São Tomé and Principe look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Guam is drawn about 1.06× its true area there and São Tomé and Principe about 1.0×. 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, Guam or São Tomé and Principe?
São Tomé and Principe: 240,254 people against 168,999. Density: Guam 311 per km², São Tomé and Principe 240 per km².