Saint Vincent and the Grenadines is about 1.2 times smaller than Palau.

Palau is approximately 459 sq km, while Saint Vincent and the Grenadines is approximately 389 sq km, making Saint Vincent and the Grenadines 84.75% the size of Palau. Meanwhile, the population of Palau is ~21,695 people (79,274 more people live in Saint Vincent and the Grenadines).
Tip: This to-scale comparison of Palau vs. Saint Vincent and the Grenadines uses the Mercator projection, which distorts the size of regions near the poles.