Average Scores

Below you can see the average scores (out of 20) for each individual contest problem featured at the IOL. Click on the problem name to go to that problem’s page.

Year Problem 1 Problem 2 Problem 3 Problem 4 Problem 5
2003 14.9
Transcendental Algebra		 6.9
Arabic Arithmetic		 11.6
Basque Dates		 15.2
Adyghe		 14.1
French
2004 15.3
Kayapo		 11.8
Swift News Agency		 3.9
Latin		 15.2
Lakhota		 8.9
Chuvash
2005 12.9
Tzotzil		 12.0
Lango		 10.7
Mansi		 11.6
Yoruba		 4.8
Lithuanian
2006 12.6
Lakhota		 9.2
Catalan		 6.8
Khmer		 8.8
Udihe		 8.8
Ngoni
2007 11.8
Braille		 14.2
Movima		 3.4
Georgian		 3.8
Ndom		 14.6
Turkish and Tatar
2008 12.9
Micmac		 5.8
Old Norse		 13.0
Drehu and Cemuhî		 13.0
Copainalá Zoque		 9.8
Inuktitut
2009 14.6
Sulka		 11.2
Maninka and Bamana		 4.3
Burmese Names		 1.3
Old Indic		 9.2
Nahuatl
2010 15.5
Budukh		 7.4
Drehu Numerals		 14.3
Blissymbolics		 9.5
mRNA Sequencing		 9.4
Romansch
2011 6.5
Menominee		 9.3
Faroese		 13.9
Vai		 4.8
Nahuatl		 4.7
EAN-13
2012 6.4
Dyirbal		 7.7
Umbu-Ungu		 6.3
Basque		 8.9
Teop		 9.6
Rotuman
2013 10.6
Yidiny		 3.8
Tundra Yukaghir		 4.1
Pirahã		 9.0
Muna		 13.3
Telepathy
2014 7.5
Benabena		 7.0
Kiowa		 7.7
Tangut		 6.6
Engenni		 2.1
Gbaya
2015 3.4
Nahuatl and Arammba		 5.8
Kabardian		 5.5
Soundex		 10.4
Wambaya		 3.6
Somali Masafo
2016 8.1
Aralle-Tabulahan		 4.1
Luwian		 7.2
Kunuz Nubian		 3.9
Iatmül		 8.6
Jaqaru
2017 7.7
Birom		 1.7
Abui		 10.5
Kimbundu		 11.2
Khom script/Laven		 7.4
Madak
2018 6.4
Creek		 14.1
Hakhun		 9.0
Terêna		 3.2
Mountain Arapesh (Bukiyip)		 4.0
Akan
2019 7.1
Yonggom		 10.8
Yurok		 3.1
Book Pahlavi script		 8.9
West Tarangan		 7.3
Nooni
2021 2.4
Ekari		 2.1
Zuni		 9.4
Kilivila		 9.2
Agbirigba		 6.7
Rikbaktsa
2022 10.3
Ubykh		 1.4
Alabama		 7.9
Nǀuuki (Nǁng)		 8.6
Arabana		 5.1
Proto-Chamic, Phan Rang Cham and Tsat
2023 11.3
Guazacapán Xinka		 9.7
Apurinã		 8.0
Coastal Marind		 8.7
Plains Cree		 4.7
Supyire
2024 7.9
Koryak		 8.0
Hadza		 6.5
Komnzo		 3.4
Dâw		 7.6
Yanyuwa
2025 14.6
Dzongkha		 6.2
Gaahmg		 7.7
Kuria		 9.9
Kewa		 9.3
Kaqchikel