Country size comparison
compared to
Thailand is about 1.5 times smaller than Zambia.
Zambia is approximately 752,618 sq km, while Thailand is approximately 513,120 sq km, making Thailand 68.18% the size of Zambia. Meanwhile, the population of Zambia is ~19.6 million people (50.0 million more people live in Thailand).
Compare further: Thailand vs. Zambia