The general rule is that your residence permits must have been of at least one year's duration for your stay in Norway to be included in the calculation of your residence period.
We can make exceptions and include stays based on shorter permits if you have held
Staying abroad for two months or less during one calendar year will have no negative bearing on the calculation of your residence period. This means that you will be considered as having been resident in Norway during such stays abroad, and your time abroad will not be deducted. If you stay abroad for more than two months during a calendar year, however, the entire period abroad (not just the part that exceeds two months) will be deducted. This is also the case if you were working abroad.
If you are stateless and over the age of 18, you must have resided in Norway continuously for the past three years while holding permits of at least one year's duration. This means that you cannot have been
'The past three years' are calculated as beginning on the date we made a decision on your case.
If you are over the age of 2 and under the age of 18 when you apply for Norwegian citizenship, and you have a Norwegian parent or you apply together with your mother or father, you must have stayed in Norway continuously for the past two years while holding permits of at least one year's duration. This means that you cannot have been
'The past two years' are calculated as beginning on the date we made a decision on your case.
If you have not yet turned two by the time you apply, there is no requirement for residence period, but you must have applied for, or have been granted, a residence permit before we can process your application for citizenship.