There isn't one single "hardest" exam, but the Chartered Financial Analyst (CFA) (due to extremely low pass rates, often under 20%) and the United States Medical Licensing Examination (USMLE) (requiring massive prep time across multiple steps) are frequently cited as top contenders, alongside the notoriously difficult California Bar Exam for its low pass rates in the US, and the massive, multi-stage UPSC Civil Services Exam in India for its sheer scale and depth.
Top 10 Toughest Exams in the United States
The United States Medical Licensing Examination (USMLE) is widely regarded as the hardest exam due to its multi-step format, long duration, low international pass rates, and in-depth clinical focus.
If you are just going by comparing the exams, the CPA exam was more difficult than the bar exam. When comparing the undergraduate accounting courses/upper level accounting courses versus law school courses, the law school was more challenging and stressful.
Top 10 Toughest Exams in India
Proprietary licenses – users are provided with operational code and cannot alter the software freely. It's illegal to copy, modify, or distribute the software. This is the most restrictive license type.
Here are 11 role- and industry-specific certifications that are easy to obtain.
You may wonder, can you really pass all four sections of the CPA exam in 3 months? The answer is yes, you can! While the preparation will be tedious, it's definitely doable.
Gaokao Exam in China, IIT JEE Advanced, Civil Services Exam (CSE)/UPSC, GATE, GRE, Master Sommelier Diploma Exam, ICAI CA Exams, CCIE (Cisco Certified Internetwork Expert), Mensa International and Chartered Financial Analyst (CFA) are rated among the top 10 toughest exams in the world in 2025.
The 10 most powerful driver's licences in the world
The most common open-source licenses include the MIT License, Apache License 2.0, GNU General Public License (GPL), GNU Lesser General Public License (LGPL), and the BSD licenses. These licenses define how software can be used, modified, and distributed, with varying levels of restrictions and requirements.
A Class A CDL is the most versatile commercial license and qualifies drivers to operate a combination of vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, as long as the trailer exceeds 10,000 pounds.
1. Gaokao. The Gaokao (translated as “Higher Exam”) in China is known to be one of the toughest exams in the world. As the national college entrance examination, it determines the academic futures of millions of students each year.
List of Easiest Exams in the World
The USMLE (United States Medical Licensing Examination) stands as America's most challenging standardized test. This three-step examination process requires medical students to demonstrate comprehensive knowledge across all aspects of medicine.