Thailand is approximately 513,120 sq km, while Switzerland is approximately 41,277 sq km, making Switzerland 8.04% the size of Thailand. Meanwhile, the population of Thailand is ~69.0 million people (60.6 million fewer people live in Switzerland).
This to-scale map shows a size comparison of Thailand compared to Switzerland. For more details, see an in-depth quality of life comparison of Switzerland vs. Thailand using our country comparison tool.