The Union Public Service Commission has conducted the Statistics Paper-I for the Civil Services (Main) Examination 2025, and the official question paper is now available for candidates to download. This paper is an important part of the optional subject evaluation and helps students understand how statistical theory and applied concepts are tested in the Mains stage.

For many candidates choosing Statistics as an optional, the syllabus can feel vast and technical. Having the 2025 question paper allows them to compare difficulty levels, identify which chapters UPSC emphasises and practise answer-writing more effectively. Since optional subjects can play a decisive role in final rankings, it is important for aspirants—especially those preparing for 2026 and beyond—to study the latest question patterns closely. This article brings all the essential details along with a direct guide to downloading the paper.

Overview of UPSC Statistics Paper-I

Statistics as an optional subject has been chosen by a niche group of UPSC aspirants, primarily due to its scoring potential for those with strong mathematical backgrounds. Paper-I typically focuses on:

• Probability theory
• Statistical inference
• Correlation and regression
• Sampling theory
• Distribution theory
• Estimation and hypothesis testing
• Non-parametric methods

The 2025 paper stayed aligned with the prescribed syllabus, combining theoretical concepts with numerical problem-solving.

Key Themes Noticed in the 2025 Question Paper

While every paper has its own mix of questions, initial analysis suggests:

• A balanced approach between theory and application
• Slightly higher weightage on probability and estimation methods
• Moderate-difficulty numerical problems
• Conceptual questions requiring clarity rather than lengthy calculations
• Some questions focusing on real-world statistical interpretation

Candidates who practised previous year papers and strengthened core concepts would find this paper manageable.

Difficulty Level

Based on feedback from test-takers:

• Overall difficulty: Moderate
• Numerical problems: Time-consuming but direct
• Theory questions: Concept-based, required precision
• Expected scoring potential: Good for well-prepared candidates

Statistics continues to be an optional where consistent practice gives a clear advantage.

How to Download the UPSC Mains 2025 Statistics Paper-I

Aspirants can easily access the official question paper. Here is the simple step-by-step method:

• Visit the official UPSC website: upsc.gov.in
• Go to the “Examinations” section
• Click on “Previous Question Papers”
• Select “Civil Services (Main) Examination 2025”
• Find “Statistics Paper-I” in the optional subjects list
• Download the PDF file to your device

N.B: If you want to download the question paper without any difficulty, you can easily download it by Click here.

It is advisable to save a copy for long-term preparation, as optional subject resources are not always widely available.