Mexico is approximately 1,964,375 sq km, while Taiwan is approximately 35,980 sq km, making Taiwan 1.83% the size of Mexico. Meanwhile, the population of Mexico is ~128.6 million people (105.0 million fewer people live in Taiwan).
This to-scale map shows a size comparison of Mexico compared to Taiwan. For more details, see an in-depth quality of life comparison of Taiwan vs. Mexico using our country comparison tool.