Thailand is approximately 513,120 sq km, while Sri Lanka is approximately 65,610 sq km, making Sri Lanka 12.79% the size of Thailand. Meanwhile, the population of Thailand is ~69.0 million people (46.1 million fewer people live in Sri Lanka).
This to-scale map shows a size comparison of Thailand compared to Sri Lanka. For more details, see an in-depth quality of life comparison of Sri Lanka vs. Thailand using our country comparison tool.
