Choose the country and stage you are entering. Exact paper editions appear before broad official collections. If a year or stage is not indexed, a labelled collection may still help; it is not a confirmed match for that choice.

Search covers country names, competition names and stages. Topic search within individual papers is not available. For topic exercises, use the four-subject practice plan.

IMO papers by edition · Licensed New Zealand library · Paper-use policy

France · 2025

Coupe Animath autumn 2025 round two: questions (PDF, 4 pages)

Coupe Animath · Round 2 · Questions

Held 1 October 2025. Separate collège and lycée sections, with seven and eight questions respectively. Historical practice; not the 2026 test.

Level: Autumn recruitment; collège or lycée section

Language: French

Official-source link only; no public republication permission obtained. Labels checked 24 September 2026.

France · 2025

Coupe Animath autumn 2025 round two: worked solutions (PDF, 25 pages)

Coupe Animath · Round 2 · Worked solutions

Solutions to the matching 2025 paper, with comments from the organisers’ markers. These are worked arguments, not just a numerical key.

Level: Review after attempting the matching question paper

Language: French

Official-source link only; no public republication permission obtained. Labels checked 24 September 2026.

France · Multiple / check source

Coupe Animath autumn and spring archive

Coupe Animath · Multiple / check source · Archive / collection

Official archive separating autumn recruitment papers from spring camp-selection papers. Edition availability and file type need checking at the source.

Level: Choose the correct season and school section

Language: French

Official-source link only; no public republication permission obtained. Labels checked 24 September 2026.

Japan · 2026 edition

36th JMO preliminary: 2026 edition (PDF, 5 pages)

JMO · Preliminary · Questions; Answer key

Held on 16 November 2025. Twelve questions followed by short final answers; no worked explanations. The year filter uses the organiser’s edition label.

Level: National preliminary; try without looking at the last page

Language: Japanese

Official-source link only; no public republication permission obtained. File contents checked 24 September 2026.

Japan · 2026 edition

36th JMO final: 2026 paper (PDF, 3 pages)

JMO · National final · Questions

Held on 11 February 2026. Five proof questions; this file does not include worked solutions.

Level: National final; full written proofs

Language: Japanese

Official-source link only; no public republication permission obtained. File contents checked 24 September 2026.

Canada · 2025

COMC 2025 official paper (PDF, 20 pages)

COMC · First stage · Questions

Start with Part A; later sections ask for more reasoning. Use the matching 2025 solutions after your attempt.

Level: Entry-contest practice; difficulty increases through the paper

Language: English

Official-source link only; no public republication permission obtained.

Canada · 2025

COMC 2025 official solutions (PDF, 28 pages)

COMC · First stage · Worked solutions

These solutions belong to the 2025 COMC, although the file was published in 2026.

Level: Review after attempting the 2025 COMC

Language: English

Official-source link only; no public republication permission obtained.

India · 2025

IOQM 2025 paper and key links

IOQM · First stage · Questions; Answer key

Open the dated paper announcement. For 2025, distinguish 7 September and 28 September sittings and use the final key. For 2026, check whether a published key is provisional or final. These are source pages linking the files.

Level: National qualifier; match sitting and paper set

Language: Check source

Official-source link only; no public republication permission obtained.

India · 2026

IOQM 2026 paper and key links

IOQM · First stage · Questions; Answer key

Open the dated paper announcement. For 2025, distinguish 7 September and 28 September sittings and use the final key. For 2026, check whether a published key is provisional or final. These are source pages linking the files.

Level: National qualifier; match sitting and paper set

Language: Check source

Official-source link only; no public republication permission obtained.

International IMO · 2026

IMO 2026: choose a language

IMO · International final · Questions

One six-problem competition paper, offered in 57 language versions. These files contain questions, not worked solutions.

Level: International final; for experienced proof writers

Choose one of 57 paper languages

Official-source link only; no public republication permission obtained.

Japan · 2025

35th JMO preliminary paper (2025 PDF, 5 pages)

JMO · Preliminary · Questions; Answer key

Twelve short-answer problems from the January 2025 sitting. The file includes a final-answer page, not worked explanations. Its date does not describe the new November schedule.

Level: Preliminary national selection; start untimed

Language: Japanese

Official-source link only; no public republication permission obtained.

Kazakhstan · 2026

2025–26 Republican mathematics tasks and solutions

Republican Olympiad · National final · Questions; Worked solutions

Open the 2025–26 section and select mathematics. Tasks, solutions and result protocols are separate links. This record points to the organiser’s collection, not one downloadable PDF.

Level: Advanced national stage; request a school-stage set if new

Language: Check source

Official-source link only; no public republication permission obtained.

Mexico · 2016

OMM 2016 elimination practice paper (PDF)

OMM · State preliminary · Questions

Listed in OMM’s introductory archive alongside its matching solution file. Historical practice, not a current application notice.

Level: Introductory state-selection practice

Language: Spanish

Official-source link only; no public republication permission obtained.

Mexico · 2016

OMM 2016 elimination solutions (PDF)

OMM · State preliminary · Worked solutions

Matching solution file linked by the official introductory resource page.

Level: Review after the matching 2016 introductory paper

Language: Spanish

Official-source link only; no public republication permission obtained.

New Zealand · 2024

2024 NZMO2 PDF

NZMO · Round 2 · Questions

Original NZMOC PDF, unchanged; 170 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2024

2024 NZMO1 PDF

NZMO · Round 1 · Questions

Original NZMOC PDF, unchanged; 176 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2024

2024 NZMO2 with solutions PDF

NZMO · Round 2 · Worked solutions

Original NZMOC PDF, unchanged; 186 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2024

2024 NZMO1 with solutions PDF

NZMO · Round 1 · Worked solutions

Original NZMOC PDF, unchanged; 229 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2025

2025 NZMO2 PDF

NZMO · Round 2 · Questions

Original NZMOC PDF, unchanged; 170 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2025

2025 NZMO1 PDF

NZMO · Round 1 · Questions

Original NZMOC PDF, unchanged; 177 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2025

2025 NZMO2 with solutions PDF

NZMO · Round 2 · Worked solutions

Original NZMOC PDF, unchanged; 216 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

New Zealand · 2025

2025 NZMO1 with solutions PDF

NZMO · Round 1 · Worked solutions

Original NZMOC PDF, unchanged; 217 KB.

Level: National selection practice; round 1 before round 2

Language: English

CC BY 4.0 — New Zealand Mathematical Olympiad Committee Original source · Licence

Singapore · Multiple / check source

SMS sample SMO questions

SMO Junior, Senior, Open · Multiple / check source · Samples / publications

The SMO information page links official sample questions. Choose Junior, Senior or Open carefully. Sample questions are not a complete year-by-year paper archive; SMS also publishes Olympiad solution books.

Level: Check the named stage and school category

Language: English

Link to official source; public redistribution permission not established.

United States · 2022

MAA sample competition and solutions

AMC 10, AMC 12, AIME, USAJMO, USAMO · AMC 10 A · Questions; Worked solutions

The official sample contains the 2022 AMC 10 A paper and its solutions. MAA also sells collections of past competitions. An AMC multiple-choice paper, an AIME short-answer paper and a USAMO proof paper need different practice routines.

Level: AMC 10 multiple-choice sample; check age/grade category

Language: English

Link only. Reviewed MAA solution booklet requires written permission for revenue-generating republication.

Vietnam · 2026

Ministry’s 2025–26 papers and answers

VMO, national excellent-student mathematics exam, Olympic selection · National final · Questions; Answer key

The Ministry released the 2025–26 national examination papers and answers on 19 January 2026. Its announcement links a multi-subject collection: choose mathematics (Toán) and check the day and year on each file. The national exam and the later Olympic team-selection exam are different papers.

Level: Check the named stage and school category

Language: Vietnamese

Link to official source; republication permission not established.

Australia · Multiple / check source

AMT past-paper catalogue

Australian AMC, AIMO, AMO · Multiple / check source · Archive / collection

AMT’s catalogue and shop distinguish papers and solution collections by competition. Some resources are paid. Australian AMC is a different competition from the American AMC; check the organiser and division before buying or downloading a paper.

Level: Check the named stage and school category

Language: English

Link to official source; public redistribution permission not established.

Bangladesh · Multiple / check source

BdMO question archive

BdMO selection, regional, national · Multiple / check source · Archive / collection

Use the official BdMO question collection and match the category and round to your next competition. A primary-category problem set and a national higher-secondary paper are not interchangeable. Do not assume every question file includes worked solutions.

Level: Check the named stage and school category

Language: Bangla; English

Link to official source; public redistribution permission not established.

Brazil · Multiple / check source

OBM provas e gabaritos

OBM · Multiple / check source · Archive / collection

OBM organises its archive by year, level and phase. For school preparation, select the appropriate school level; the university-level paper is a separate contest. A gabarito may be an answer key, so check whether the file also gives complete reasoning.

Level: Check the named stage and school category

Language: Portuguese

Link to official source; public redistribution permission not established.

Canada · Multiple / check source

CMO and CJMO archive

CMO, CJMO · Multiple / check source · Archive / collection

The CMS page separates CMO and CJMO and lists official problem sets and solutions. It also publishes winners and score statistics. CMO and CJMO are different competitions; use the heading and year to choose the right file.

Level: Check the named stage and school category

Language: English; French

Link to official source; public redistribution permission not established.

China · Multiple / check source

CMS competition notices and resources

Chinese high-school league, CMO · Multiple / check source · Availability not verified

We have not verified a complete free official collection of league and CMO papers. CMS’s competition pages are the starting point for released materials and notices. A page announcing awards is not itself a past-paper archive. For international practice, use the released IMO papers.

Level: Check the named stage and school category

Language: Chinese

Link to official source; republication permission not established.

France · Multiple / check source

POFM past selection tests

Coupe Animath, POFM tests · Multiple / check source · Archive / collection

POFM lists selection tests by training season with corresponding corrigés where available. These tests are later-stage material; students entering the programme should also use the Coupe Animath archive linked in the organiser’s Archives menu.

Level: Check the named stage and school category

Language: French

Link to official source; public redistribution permission not established.

Germany · Multiple / check source

German competition problems and solutions

Mathematik-Olympiade, BWM, IMO selection · Multiple / check source · Archive / collection

The official Aufgaben page groups Bundeswettbewerb, Mathematik-Olympiade and IMO selection materials. Open the appropriate section and year. Where both provisional and final solutions exist, use the final version for review.

Level: Check the named stage and school category

Language: German

Link to official source; public redistribution permission not established.

Hong Kong · Multiple / check source

HKAGE papers and suggested solutions

IMO Hong Kong Preliminary Selection · Multiple / check source · Archive / collection

HKAGE’s annual preliminary-selection page contains earlier question papers and suggested solutions. The question files are bilingual and the listed solutions are in English. Check the year in the archive row rather than assuming every file belongs to the page’s headline year.

Level: Check the named stage and school category

Language: Chinese; English

Link to official source; public redistribution permission not established.

India · Multiple / check source

HBCSE mathematics archive

IOQM, RMO, INMO · Multiple / check source · Archive / collection

Open the Mathematics section for RMO and INMO papers and available solutions. PRMO papers belong to an older preliminary format; keep their original exam name when practising. For current IOQM papers and answer keys, use MTA(I).

Level: Check the named stage and school category

Language: English

Link to official source; public redistribution permission not established.

Indonesia · 2026

Official 2026 DIKMEN guide addendum (PDF)

OSN mathematics, OSN-K, OSN-P, DIKMEN · Multiple / check source · Programme guide

This verified resource is the 2026 programme guide addendum, not a past paper. We have not verified a complete free official OSN mathematics paper archive. Check the education level and round on any released set, and use the international IMO archive for clearly identified international papers.

Level: Check the named stage and school category

Language: Indonesian

Link to official source; republication permission not established.

Ireland · Multiple / check source

IrMO problems and past papers

IrMO · Multiple / check source · Archive / collection

The official IrMO resource page links collected problems for 1988–2023 and selected papers with solutions. It also groups training notes by subject. The current homepage publishes a Roll of Honour and explains the later squad tests.

Level: Check the named stage and school category

Language: English

Link to official source; public redistribution permission not established.

Japan · Multiple / check source

JMO preliminary, final and camp papers

JMO, JJMO · Multiple / check source · Archive / collection

The JMO overview links preliminary, final and camp papers by edition. Check the individual file: some preliminary PDFs include short answers, which are not worked solutions. The linked 36th final paper contains questions only.

Level: Check the named stage and school category

Language: Japanese

Link only. Foundation provides a problem-use application; no permission obtained.

Malaysia · Multiple / check source

IMONST1 papers and answers

IMONST1, IMONST2 · Multiple / check source · Archive / collection

IMONST1 lists samples and past papers with answers for 2020–2025. IMONST2 has a separate archive of proof papers and selected solutions. Match the category: older Primary labels do not automatically match every current category.

Level: Check the named stage and school category

Language: Check source

Link to official source; public redistribution permission not established.

Mexico · Multiple / check source

OMM national-level training archive

OMM state and national rounds · Multiple / check source · Archive / collection

The OMM training page links previous national contest papers and earlier state-level final papers with solutions. It also points to Tzaloa material. State selection and the national OMM use different papers; start with the stage you are entering.

Level: Check the named stage and school category

Language: Spanish

Link to official source; public redistribution permission not established.

Nepal · Multiple / check source

MAN syllabus and DMO resource collection

Nepal DMO, PMO, NMO, TST · Multiple / check source · Archive / collection

MAN’s resources page links a syllabus and a DMO paper collection. We have not verified a complete PMO, NMO or TST archive there. Use the organiser’s landing page to reach its linked files, and check the round and year inside each document.

Level: Check the named stage and school category

Language: Check source

Link to official source; republication permission not established.

Netherlands · Multiple / check source

Dutch second-round archive

Nederlandse Wiskunde Olympiade · Multiple / check source · Archive / collection

The second-round archive pairs opgaven with uitwerkingen and reports. The organiser notes that the final was called the second round before 2010. Use the competition archive navigation for first-round and final papers, rather than treating all second-round labels as equivalent.

Level: Check the named stage and school category

Language: Dutch; English

Link to official source; public redistribution permission not established.

New Zealand · Multiple / check source

NZMOC papers and solutions

NZMO1, NZMO2 · Multiple / check source · Archive / collection

The organiser publishes separate problem and solution files for NZMO1 and NZMO2. Its own released, non-confidential materials are licensed under CC BY 4.0. Our New Zealand paper library preserves selected original PDFs and their attribution.

Level: Check the named stage and school category

Language: English

NZMOC-owned released materials: CC BY 4.0; preserve attribution, source, licence and changes.

Nigeria · Multiple / check source

NMC portal’s past-question download page

Nigeria NMC, senior mathematics Olympiad · Multiple / check source · Availability not verified

The organiser’s portal has a past-question download page, but access to the linked collection could not be verified during this review. Treat availability as unconfirmed. Use NMC’s main website for a restored link, and keep junior and senior mathematics material separate.

Level: Check the named stage and school category

Language: Check source

Link to official source; republication permission not established.

Pakistan · Multiple / check source

STEM past papers

NSTC mathematics / NMTC · Multiple / check source · Archive / collection

The STEM homepage links past NSTC papers by edition and separate subject results. Select Mathematics within the relevant bundle. Edition numbers such as NSTC-22 are contest identifiers, not necessarily calendar years.

Level: Check the named stage and school category

Language: English

Link to official source; public redistribution permission not established.

Philippines · Multiple / check source

PMO downloads archive

PMO qualifying, area, national · Multiple / check source · Archive / collection

The official downloads page separates qualifying, area and national stages; some national editions have written and oral phases. Souvenir programmes may contain answers or solutions. Read each file label: some older downloads contain questions only.

Level: Check the named stage and school category

Language: English

Link to official source; public redistribution permission not established.

South Africa · Multiple / check source

SAMF Olympiad resource catalogue

SAMO · Multiple / check source · Archive / collection

SAMF’s catalogue describes training books and past-question collections for SAMO. Some are paid publications. The school SAMO, primary-school Mathematics Challenge and university Tertiary Olympiad are different contests; choose the school-level resource you need.

Level: Check the named stage and school category

Language: Check source

Link to official source; public redistribution permission not established.

South Korea · Multiple / check source

KMO official resources and publication notices

KMO, Korean Mathematical Olympiad · Multiple / check source · Availability not verified

KMO advertises published collections of its problems and solutions. A comprehensive free official download archive was not verified in this review. Check the division and round before selecting a book or paper; KJMO and KMO are different competitions.

Level: Check the named stage and school category

Language: Korean

Link to official source; republication permission not established.

Sri Lanka · Multiple / check source

SLOMF past papers, answer keys and model papers

SLMC, SLIMCC, SLMCC, Sri Lanka mathematics · Multiple / check source · Archive / collection

The foundation’s resource page lists SLMC papers in English, Sinhala and Tamil, with an answer-key collection for 2004–2018. Model papers and selected worked solutions are listed separately. Match the paper’s year, level and language; a model paper is not a previous competition paper.

Level: Check the named stage and school category

Language: English; Sinhala; Tamil

Link to official source; republication permission not established.

Taiwan · Multiple / check source

Official TMO and APMO preliminary paper archive

Taiwan TMO, APMO preliminary examinations, Chinese Taipei · Multiple / check source · Archive / collection

The office groups papers by competition and year. It lists TMO papers for 2021–2026, APMO preliminary stages and separate APMO papers. The 2026 TMO file is labelled with reference solutions. Check each PDF’s cover: solution coverage varies, and local APMO preliminaries are not the international APMO paper.

Level: Check the named stage and school category

Language: Chinese

Link to official source; republication permission not established.

Thailand · Multiple / check source

POSN national mathematics paper archive

POSN mathematics, TMO · Multiple / check source · Archive / collection

The POSN mathematics archive lists national Olympiad papers using Thai Buddhist Era years. For modern contest dates, subtract 543 to obtain the Gregorian year: 2567 corresponds to 2024. Regional camp admission papers and TMO papers are different stages.

Level: Check the named stage and school category

Language: Thai

Link to official source; public redistribution permission not established.

Türkiye · Multiple / check source

TÜBİTAK past questions, answers and solutions

TÜBİTAK mathematics stages 1 and 2 · Multiple / check source · Archive / collection

The official archive covers several subjects. Choose Matematik for high-school mathematics or Ortaokul Matematik for the middle-school division, then choose the examination stage. Question/answer files and worked-solution files appear in separate sections.

Level: Check the named stage and school category

Language: Turkish

Link to official source; public redistribution permission not established.

United Kingdom · Multiple / check source

BMO past papers and reports

SMC, BMO1, BMO2 · Multiple / check source · Archive / collection

Choose BMO1 or BMO2 before choosing a year. The archive includes original papers, selected solutions and markers’ reports. Older papers can differ in length and structure, so follow the instructions printed on the paper.

Level: Check the named stage and school category

Language: English

Link only. UKMT publication policy limits institutional copying to internal teaching use; obtain public web permission.

When no national paper is verified

Some organisers publish only selected material, sell books, or supply papers through schools. We identify those limits rather than offering unofficial scans. For Argentina, Kenya and Morocco, use the new country guide to request an appropriate first-stage set. Public access to a file does not by itself grant permission to copy it onto another website.