Chagos Islands vs Saint Lucia

Saint Lucia is 10.3 times larger than Chagos Islands. Chagos Islands would fit into Saint Lucia about 10 times.

Chagos IslandsSaint LuciaChagos Islands moved onto Saint Lucia · Equal-area projection
0.1×
Chagos Islands is 0.1× the area of Saint Lucia. Put the other way, Saint Lucia is 10.3× the size of Chagos Islands.
Chagos IslandsSaint Lucia
Area60 km²617 km²
Population3,000180,149
Density50 / km²292 / km²
CapitalDiego GarciaCastries
RegionSeven seas (open ocean)Caribbean
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. Chagos Islands sits at about 7°S and is stretched to 1.02× its true area; Saint Lucia at 14° N is stretched to 1.06×. 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 Chagos Islands bigger than Saint Lucia?
No. Chagos Islands is 10.3 times smaller than Saint Lucia. Chagos Islands covers 60 km² and Saint Lucia covers 617 km².
How many times does Chagos Islands fit into Saint Lucia?
About 10 times: Saint Lucia has 10.3× the area of Chagos Islands.
Why do Chagos Islands and Saint Lucia look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Chagos Islands is drawn about 1.02× its true area there and Saint Lucia about 1.06×. 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, Chagos Islands or Saint Lucia?
Saint Lucia: 180,149 people against 3,000. Density: Chagos Islands 50 per km², Saint Lucia 292 per km².