Britannica Sources used in this answer

How are Norwegian and Icelandic related?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Thematic map of Europe displaying the distribution of Germanic languages, with different colors indicating regions where English, German, Netherlandic (Dutch), Frisian, Swedish, Danish, Norwegian, Icelandic, and Faroese are spoken. Striped areas mark regions where bilingualism is common, and language regions cover countries such as the United Kingdom, Germany, the Netherlands, Denmark, Sweden, Norway, Iceland, and parts of surrounding countries. — Germanic languages Distribution of the Germanic languages in Europe.

Norwegian and Icelandic are closely related as members of the North Germanic branch of the Germanic languages family. Both languages evolved from Old Norse, the common language spoken in Scandinavia during the Middle Ages.1234

Specifically, Icelandic and Norwegian are categorized within the West Scandinavian group of North Germanic languages. Their historical connection stems from the 9th and 10th centuries, when settlers from western Norway brought their Norse speech to Iceland.45

While they share this common ancestry, the two languages have diverged significantly over time. Icelandic is considered the most conservative of the Scandinavian languages, having preserved much of the original Old Scandinavian grammar, including complex inflectional systems. In contrast, the Scandinavian languages on the European continent, including Norwegian, underwent greater simplification of these grammatical structures. Due to this preservation, modern speakers of Icelandic are still able to read the Icelandic sagas written in Old Norse with relative ease.45