Wondering about the toughest exams in the world as of 2025? Explore Gaokao, UPSC Civil Service Exam , Mensa, GRE, and others from our world's toughest exams list. Gaokao Exam : Toughest Exam in World When it comes to university admission exams in China, many people picture the most difficult competitions. China's famed "Gaokao" university admission exam takes place in June. This exam is held over two days, with candidates taking elective courses in addition to the obligatory subjects of math, Japanese language, and foreign language. Though not a nationwide standard test, Gaokao is administered in all provinces and produces results almost solely for ... Learn about the most challenging exams across the globe, such as Gaokao, IIT-JEE Advanced, UPSC, ICAI CA/CMA, GATE and more. Compare their purpose, duration, marks, pass percentage and official links. Discover the toughest exams in the world 2025, including top competitive entrance exams, hardest professional tests, and global certifications. Check difficulty levels, pass rates, eligibility, and preparation tips to crack the hardest exams worldwide.
