Mexico is approximately 1,964,375 sq km, while French Polynesia is approximately 4,167 sq km, making French Polynesia 0.21% the size of Mexico. Meanwhile, the population of Mexico is ~128.6 million people (128.4 million fewer people live in French Polynesia).
This to-scale map shows a size comparison of Mexico compared to French Polynesia. For more details, see an in-depth quality of life comparison of French Polynesia vs. Mexico using our country comparison tool.