Saint Helena vs São Tomé and Principe

São Tomé and Principe is 2.54 times larger than Saint Helena. Saint Helena would fit into São Tomé and Principe about 2.5 times.

Saint HelenaSão Tomé and PrincipeSaint Helena moved onto São Tomé and Principe · Equal-area projection
0.39×
Saint Helena is 0.39× the area of São Tomé and Principe. Put the other way, São Tomé and Principe is 2.54× the size of Saint Helena.
Saint HelenaSão Tomé and Principe
Area394 km²1,001 km²
Population5,633240,254
Density14 / km²240 / km²
CapitalJamestownSao Tome
RegionWestern AfricaMiddle 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. Saint Helena sits at about 12°S and is stretched to 1.05× 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 Saint Helena bigger than São Tomé and Principe?
No. Saint Helena is 2.54 times smaller than São Tomé and Principe. Saint Helena covers 394 km² and São Tomé and Principe covers 1,001 km².
How many times does Saint Helena fit into São Tomé and Principe?
About 2.5 times: São Tomé and Principe has 2.54× the area of Saint Helena.
Why do Saint Helena and São Tomé and Principe look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Saint Helena is drawn about 1.05× 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, Saint Helena or São Tomé and Principe?
São Tomé and Principe: 240,254 people against 5,633. Density: Saint Helena 14 per km², São Tomé and Principe 240 per km².