Thailand is approximately 513,120 sq km, while Ethiopia is approximately 1,104,300 sq km, making Ethiopia 115% larger than Thailand. Meanwhile, the population of Thailand is ~69.0 million people (39.1 million more people live in Ethiopia).
This to-scale map shows a size comparison of Thailand compared to Ethiopia. For more details, see an in-depth quality of life comparison of Ethiopia vs. Thailand using our country comparison tool.