You must have stayed in Norway for a continuous three-year period in order to be granted a permanent residence period. During these three years, you must have held residence permits that form a basis for permanent residence. This applies to persons who have been granted asylum or protection, residence for strong humanitarian considerations, most family immigration permits, skilled worker permits or specialist permits.

In order to be granted a permanent residence permit, you are required to have completed tuition in the Norwegian language (at least 250 hours) and social studies (at least 50 hours

In order to become a Norwegian citizen, the principle is that you must have resided in Norway for seven years during the last ten years. You must have stayed here on work or residence permits with a duration of at least one year. You must be permanently resident in the country when you apply for Norwegian citizenship and when the application is processed.

Dual citizenship
Dual citizenship means that you are a citizen of more than one country

If you wish to become a Norwegian citizen it is required as a principal rule that you renounce any other citizenship