Fiji is about 70 times bigger than Niue.

Niue is approximately 260 sq km, while Fiji is approximately 18,274 sq km, making Fiji 6,928% larger than Niue. Meanwhile, the population of Niue is ~1,933 people (931,221 more people live in Fiji).
Tip: This to-scale comparison of Niue vs. Fiji uses the Mercator projection, which distorts the size of regions near the poles.
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