France is approximately 551,500 sq km, while Spain is approximately 505,370 sq km, making Spain 91.64% the size of France. Meanwhile, the population of France is ~67.8 million people (17.8 million fewer people live in Spain).
This to-scale map shows a size comparison of France compared to Spain. For more details, see an in-depth quality of life comparison of Spain vs. France using our country comparison tool.