IMO Statistics

Year range:

Participation Growth

03060901201500169338506675844'00'02'04'06'08'10'12'14'16'18'20'22'24'25CountriesContestants

Medal Cutoffs

Gold Cutoff Distribution
0246810147101316192225283134374042Cutoff Score

Medal Recipients

Gold
01234536–3738–3940–4142–4344–4546–4748–4950–5152–5354–5556–5758–5960–6162–6364–6566–6768–6970–7172–73Recipients

Cutoff Scores Over Time

0816243240'00'02'04'06'08'10'12'14'16'18'20'22'24'25

Medal Counts Over Time

0110220330440550'00'02'04'06'08'10'12'14'16'18'20'22'24'25

Day 1 vs Day 2

r = 0.653, r² = 0.426
Scores
071421071421Day 1 ScoreDay 2 Score
r = 0.675, r² = 0.456
Ranks
186171256341426511596186171256341426511596Day 1 RankDay 2 Rank

Repeat Contestant Outcomes

→ Gold→ Silver→ Bronze→ HM→ NoneTotal
Gold → 230 (62.0%)123 (33.2%)18 (4.9%)00 371
Silver → 260 (28.7%)412 (45.4%)193 (21.3%)34 (3.7%)8 (0.9%) 907
Bronze → 129 (9.5%)435 (32.2%)553 (40.9%)176 (13.0%)59 (4.4%) 1352
HM → 15 (1.1%)146 (10.8%)508 (37.7%)494 (36.6%)186 (13.8%) 1349
None → 5 (0.4%)44 (3.7%)267 (22.5%)415 (34.9%)458 (38.5%) 1189

Contestant Background

← Gold← Silver← Bronze← HM← NoneN/ATotal
Gold 230 (18.8%)260 (21.2%)129 (10.5%)15 (1.2%)5 (0.4%)585 (47.8%) 1224
Silver 123 (5.1%)412 (17.0%)435 (18.0%)146 (6.0%)44 (1.8%)1261 (52.1%) 2421
Bronze 18 (0.5%)193 (5.5%)553 (15.7%)508 (14.4%)267 (7.6%)1978 (56.2%) 3517
HM 034 (1.0%)176 (5.2%)494 (14.6%)415 (12.2%)2271 (67.0%) 3390
None 08 (0.2%)59 (1.5%)186 (4.9%)458 (11.9%)3124 (81.5%) 3835

Problem Difficulty

Solves are ≥ 5 points

P1 — Solve Distribution
012340–2425–4950–7475–99100–124125–149150–174175–199200–224225–249250–274275–299300–324325–349350–374375–399400–424425–449450–474475–499500–524525–549