Nauru is about 5,303 times smaller than Liberia.

Liberia is approximately 111,369 sq km, while Nauru is approximately 21 sq km, making Nauru 0.02% the size of Liberia. Meanwhile, the population of Liberia is ~5.4 million people (5.3 million fewer people live in Nauru).
Tip: This to-scale comparison of Liberia vs. Nauru uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.