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User ID and password

Your user ID

  • NemID number
    The first time you log on with NemID you must use this number. You find your NemID number in the welcome letter you received from Nets DanID, your bank or Borgerservice (citizen service centre).
  • CPR number
    You can use your civil registration number (CPR no.) to log on with NemID.
  • Self-chosen user ID
    If can choose to create a self-chosen user ID for NemID.

Self-chosen user ID

A self-chosen user ID must meet the following requirements:

  • Must contain between 5 and 48 characters.
  • Must not contain certain special characters.
  • Must not start or end with a space.
  • Must not be easily confused with a NemID number or a CPR number.
  • Must not be included in your Password.
  • The User ID is not case-sensitive´.

The following special characters are allowed: { } ! # " $ ’ % ^ & , * ( ) _ + - = : ; ? . and @.

Change user ID

Your password with 4 digits

If you choose a password with 4 digits this has to meet the following requirements:

  • Must be 4 digits.
  • Must not be 4 of the same digit.
  • Must not be a sequence, e.g. 1234.
  • Must not be part of your CPR number.

Your password with minimum 6 characters

If you choose a password with minimum 6 characters this has to meet the following requirements:

  • Must contain between 6 and 40 characters.
  • Must contain both letters and digits.
  • Must not contain the same character 4 times in a row.
  • Must not contain your self-chosen user ID, CPR or NemID number.
  • Must not contain certain special characters.


The password is not case-sensitive. The following special characters are allowed: { } ! # " $ ’ % ^ & , * ( ) _ + - = : ; ? . and @.

Change password