National and international reports significantly influence UPSC examination topics by providing data and insights on pressing issues such as health, environment, and economics. Reports from organizations like the World Bank and the United Nations set global agendas and policy priorities, which are reflected in the exam syllabus. UPSC candidates must stay abreast of these trends and findings as questions often draw from contemporary issues highlighted in these reports. Familiarity with such documents enhances critical thinking and application skills necessary for tackling analytical questions in both prelims and mains.