Turkey is approximately 783,562 sq km, while Costa Rica is approximately 51,100 sq km, making Costa Rica 6.52% the size of Turkey. Meanwhile, the population of Turkey is ~82.0 million people (76.9 million fewer people live in Costa Rica).
This to-scale map shows a size comparison of Turkey compared to Costa Rica. For more details, see an in-depth quality of life comparison of Costa Rica vs. Turkey using our country comparison tool.