Saint Lucia vs Trinidad and Tobago

Trinidad and Tobago is 8.31 times larger than Saint Lucia. Saint Lucia would fit into Trinidad and Tobago about 8.3 times.

Saint LuciaTrinidad and TobagoSaint Lucia moved onto Trinidad and Tobago · Equal-area projection
0.12×
Saint Lucia is 0.12× the area of Trinidad and Tobago. Put the other way, Trinidad and Tobago is 8.31× the size of Saint Lucia.
Saint LuciaTrinidad and Tobago
Area617 km²5,128 km²
Population180,1491,367,764
Density292 / km²267 / km²
CapitalCastriesPort-of-Spain
RegionCaribbeanCaribbean
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 Lucia sits at about 14°N and is stretched to 1.06× its true area; Trinidad and Tobago at 10° N is stretched to 1.03×. 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 Lucia bigger than Trinidad and Tobago?
No. Saint Lucia is 8.31 times smaller than Trinidad and Tobago. Saint Lucia covers 617 km² and Trinidad and Tobago covers 5,128 km².
How many times does Saint Lucia fit into Trinidad and Tobago?
About 8.3 times: Trinidad and Tobago has 8.31× the area of Saint Lucia.
Why do Saint Lucia and Trinidad and Tobago look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Saint Lucia is drawn about 1.06× its true area there and Trinidad and Tobago about 1.03×. 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 Lucia or Trinidad and Tobago?
Trinidad and Tobago: 1,367,764 people against 180,149. Density: Saint Lucia 292 per km², Trinidad and Tobago 267 per km².