UPSC Prelims previous year papers, GS Paper I (2016–2026)

Every General Studies Paper I from the UPSC Civil Services Prelims since 2016, with the answer key UPSC published, the questions it dropped from scoring and the resulting maximum marks. Open a year for its full key, subject split and explained questions, or take the paper under exam conditions.

All papers

Maximum marks are 200 minus 2 for each question UPSC dropped from scoring. The 2026 key is UPSC's provisional key until the final key is released; the others are UPSC's final keys, each checked against the file on upsc.gov.in.

Choose a year

• 2026Provisional key · out of 198
• 2025Final key · out of 200
• 2024Final key · out of 194
• 2023Final key · out of 198
• 2022Final key · out of 198
• 2021Final key · out of 198
• 2020Final key · out of 196
• 2019Final key · out of 200
• 2018Final key · out of 200
• 2017Final key · out of 200
• 2016Final key · out of 200

How practice works on 1way

• Each paper is exactly as UPSC printed it: 100 questions in 2 hours, marked +2 / −0.66.
• Free: one full attempt of every paper, your score, UPSC's key for every question and explanations for 10 of them, starting with your mistakes.
• Pro: unlimited retakes, every explanation in English and தமிழ், and subject-wise strengths and weak areas.
• Found an error? Report it in the app; corrections re-score everyone and are listed on the accuracy page.