This list ranks the top 10 toughest exams in the world , considering factors such as competition, pass rates, syllabus, and exam duration. Each represents a different type of world hardest test with unique challenges and requirements. Are the toughest exams in the world worth it? Taking the toughest exams in the world can be stressful and gruelling, but the rewards often outweigh the challenges. Succeeding in these exams can open doors to prestigious degree programmes which in turn lead to excellent career opportunities. Explore the top 10 toughest and hardest exams in the world , including India's UPSC and JEE, China's Gaokao, and the CFA. Compare difficulty, success rates, and more. Explore the 15 hardest exams in the world for 2026! Get insights on why they're so tough , preparation strategies, and countries with rigorous education.