Understanding demographics is crucial for answering UPSC questions effectively as it aids in contextualization. Familiarity with population trends, age distribution, and socio-economic factors allows candidates to analyze issues critically and provide informed responses. It helps in addressing how policies impact different demographic groups and enables aspirants to draw connections between current issues and historical contexts. A thorough knowledge of demographics aids in aligning answers with the demands of the question, which is essential for scoring well in both the preliminary and mains examinations. This analytical skill is vital for a nuanced understanding of complex societal challenges.