Marshall Islands is about 1.4 times smaller than Niue.

Niue is approximately 260 sq km, while Marshall Islands is approximately 181 sq km, making Marshall Islands 69.62% the size of Niue. Meanwhile, the population of Niue is ~1,933 people (34,349 more people live in Marshall Islands).
Tip: This to-scale comparison of Niue vs. Marshall Islands uses the Mercator projection, which distorts the size of regions near the poles.
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