The traits of top-performing candidates in the UPSC examination include strong time management, perseverance, and a consistent study routine. They exhibit a deep understanding of the exam syllabus and current affairs, ensuring they are well-prepared for all aspects of the test. These candidates also possess critical thinking skills, enabling them to analyze complex issues and formulate coherent arguments. Furthermore, adaptability to changing exam patterns and a proactive approach to problem-solving are essential traits. Lastly, maintaining a healthy work-life balance helps these aspirants manage stress effectively during their preparation.