Cook Islands vs Tonga

Tonga is 3.12 times larger than Cook Islands. Cook Islands would fit into Tonga about 3.1 times.

Cook IslandsTongaCook Islands moved onto Tonga · Equal-area projection
0.32×
Cook Islands is 0.32× the area of Tonga. Put the other way, Tonga is 3.12× the size of Cook Islands.
Cook IslandsTonga
Area240 km²749 km²
Population14,222103,742
Density59 / km²139 / km²
CapitalAvaruaNuku'alofa
RegionPolynesiaPolynesia
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. Cook Islands sits at about 21°S and is stretched to 1.15× its true area; Tonga at 20° S is stretched to 1.14×. 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 Cook Islands bigger than Tonga?
No. Cook Islands is 3.12 times smaller than Tonga. Cook Islands covers 240 km² and Tonga covers 749 km².
How many times does Cook Islands fit into Tonga?
About 3.1 times: Tonga has 3.12× the area of Cook Islands.
Why do Cook Islands and Tonga look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Cook Islands is drawn about 1.15× its true area there and Tonga about 1.14×. 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, Cook Islands or Tonga?
Tonga: 103,742 people against 14,222. Density: Cook Islands 59 per km², Tonga 139 per km².