Sociology is considered the most opted optional subject and has a high success rate. Approximately, 1800 aspirants prefer this subject and consider it to be the best optional as its syllabus has relevance with GS I, GS II, and Essay of UPSC. The success rate of Sociology optional for 4 years is as follows.
2017 – 9.6
2016 – 5.7
2015 – 9.2
2014 – 9.1