You must live in Norway on a permanent basis when you apply for citizenship.
You must have lived in Norway continuously for the last three years.
You cannot have stayed abroad for longer than a total of seven months during the last three years.
If you over the age of 15: You must order a criminal record certificate (external website), which you must hand in with the application. The certificate cannot be more than three months old when you meet for your appointment with the police to submit the application documents. Therefore, you must wait to apply for a criminal record certificate until you know when you have an appointment with the police. If you already have a criminal record certificate that is older than three months, you must apply for a new certificate before you have your appointment. If you have been sentenced to imprisonment for a term of five years or more, or have been convicted for crimes against national security (fundamental national interests), you might have to wait longer before you can become a Norwegian citizen