UPSC Mains Statistics Optional Question Paper 2026

The UPSC Mains Statistics Optional Question Paper 2026 is useful for you if you’ve selected Statistics as your optional subject in the Civil Services Main Examination. Previous-year question papers let you review the questions asked in the exam and practise solving descriptive Statistics problems within the given time.

For the UPSC Civil Services Main Examination 2026, Statistics Optional Paper I and Paper II were conducted on August 30, 2026 (Sunday). Paper I was held from 9:00 AM to 12:00 Noon, while Paper II was conducted from 2:30 PM to 5:30 PM. Each paper carries 250 marks, making the Statistics Optional subject worth 500 marks in total.

UPSC Mains Statistics Optional 2026: Overview

Statistics is one of the optional subjects available in the UPSC Civil Services Main Examination. It consists of two papers, with each paper carrying 250 marks and having a duration of three hours. 

The official UPSC timetable schedules the two Statistics Optional papers on the same day, with Paper I in the forenoon session and Paper II in the afternoon session.

UPSC Mains Statistics Optional Question Paper 2026 Exam Structure

The Statistics Optional component consists of two descriptive papers. Together, the papers carry 500 marks and provide six hours of examination time across the two sessions.

Statistics Optional Paper I

Paper I covers areas such as Probability, Statistical Methods, Numerical Analysis, Sampling Theory and Statistical Inference, along with related topics prescribed in the UPSC syllabus.

Statistics Optional Paper II

Paper II covers areas such as Linear Models, Design of Experiments, Econometrics, Official Statistics and Operational Research, along with other prescribed topics.

UPSC Statistics Optional Question Paper 2026 PDF Download

If you’ve selected Statistics as your optional subject, you can use the UPSC Statistics Optional Question Paper 2026 PDF for Paper I and Paper II practice. The question papers provide an opportunity to work through the questions asked in the actual examination and assess preparation against the requirements of the optional subject.

You can first attempt each paper independently and then review your answers, approach and time management. The official UPSC website also maintains a repository of question papers for the Civil Services Main Examination.

How to Use UPSC Statistics Optional Question Paper 2026 for Future Exams?

The 2026 Statistics Optional papers can be used as timed practice resources for upcoming UPSC Mains examinations. A focused review after each attempt can help identify gaps in concepts, calculations and answer presentation.

1. Attempt both papers separately: Solve Paper I and Paper II within their respective three-hour limits.

2. Practise numerical problems: Work through Statistics questions without referring to notes or solutions during the first attempt.

3. Review your approach: Check whether your methods, calculations and final answers are accurate.

4. Mark difficult topics: Note the questions that took longer or required additional revision.

5. Practise answer writing: Work on presenting calculations, explanations and conclusions clearly within the available time.

The UPSC Mains Statistics Optional Question Paper 2026 provides a direct reference to the questions asked in Statistics Optional Paper I and Paper II. If you’re preparing for future UPSC Mains examinations, you can use the papers for timed practice, numerical problem-solving, answer writing and identifying topics that need further revision.