| Canada - Canadian Computing Olympiad (CCO) | | 24 | 72 |
| China - China Team Homework / Mutual Tests | 集训队作业 / 集训队互测 | 91 | 563 |
| China - China Team Selection (CTS/CTSC) | 中国国家队选拔 | 46 | 138 |
| China - China Team Training (CTT) | 中国国家集训队统一培训 | 50 | 150 |
| China - CSP-J/S | | 9 | 34 |
| China - IOI China Team Training | 中国国家队集训 | 54 | 155 |
| China - Misc | | 53 | 169 |
| China - National Olympiad in Informatics (NOI) | 全国青少年信息学奥林匹克竞赛 | 48 | 144 |
| China - National Olympiad in Informatics in Provinces (NOIP) | 全国青少年信息学奥林匹克联赛 | 18 | 60 |
| China - NOI Winter Camp(WC) | 全国青少年信息学奥林匹克冬令营 (候选队选拔) | 22 | 66 |
| China - Provincial Team Selection | NOI 省队选拔 | 501 | 720 |
| Croatia - Croatian Olympiad In Informatics (HIO) | Hrvatska informatička olimpijada | 8 | 32 |
| Croatia - Croatian Open Competition In Informatics (COCI/HONI) | Hrvatsko otvoreno natjecanje u informatici | 88 | 486 |
| Croatia - Croatian Team Selection | Izborne Pripreme | 12 | 36 |
| Iran - INOI Team Selection | آزمون انتخاب تیم | 2 | 6 |
| Japan - Japanese Olympiad in Informatics Spring Camp/Training (JOISC/JOIST) | 日本情報オリンピック 春季トレーニング合宿 | 56 | 171 |
| Japan - Japanese Olympiad in Informatics) (JOI) | 日本情報オリンピック | 12 | 60 |
| Japan - JOI Open Contest | 日本情報オリンピック 通信教育 | 14 | 43 |
| Korea - Korea IOI Team Selection Test (KOI TST) | 국제정보올림피아드 대표학생 선발고사 | 14 | 56 |
| Korea - Korea Olympiad in Informatics (KOI) | 한국정보올림피아드 | 3 | 10 |
| Poland - Polish Olympiad in Informatics (POI) | Olimpiada Informatyczna | 161 | 405 |
| Russia - All-Russian Olympiad in Informatics (ROI) | Всероссийская олимпиада школьников по информатике | 8 | 32 |
| Russia - Open Olympiad in Informatics | Открытая олимпиада школьников по программированию | 8 | 32 |
| Singapore - National Olympiad in Informatics | | 12 | 60 |
| Sweden - Swedish Olympiad in Informatics (PO) | Programmeringsolympiaden | 3 | 20 |
| Taiwan - TOI Primary | 國際資訊奧林匹亞研習營初選 | 1 | 5 |
| Ukraine - Ukrainian Olympiad in Informatics | Всеукраїнської олімпіади з інформатики | 5 | 20 |
| United States - USA Computing Olympiad (USACO) | | 31 | 93 |