Saint Vincent and the Grenadines is about 7 times smaller than Samoa.

Samoa is approximately 2,831 sq km, while Saint Vincent and the Grenadines is approximately 389 sq km, making Saint Vincent and the Grenadines 13.74% the size of Samoa. Meanwhile, the population of Samoa is ~206,179 people (105,210 fewer people live in Saint Vincent and the Grenadines).
Tip: This to-scale comparison of Samoa vs. Saint Vincent and the Grenadines uses the Mercator projection, which distorts the size of regions near the poles.