Country size comparison
compared to
Thailand is about 30 times bigger than Swaziland.
Swaziland is approximately 17,364 sq km, while Thailand is approximately 513,120 sq km, making Thailand 2,855% larger than Swaziland. Meanwhile, the population of Swaziland is ~1.1 million people (68.5 million more people live in Thailand).
Compare further: Thailand vs. Swaziland