Thailand is approximately 513,120 sq km, while Armenia is approximately 29,743 sq km, making Armenia 5.8% the size of Thailand. Meanwhile, the population of Thailand is ~69.0 million people (66.0 million fewer people live in Armenia).
This to-scale map shows a size comparison of Thailand compared to Armenia. For more details, see an in-depth quality of life comparison of Armenia vs. Thailand using our country comparison tool.