Does the country publish full voter registers at the national level online?

Act No. 24 from 16 May 2000 Concerning Parliamentary Elections to the Althing

Article 25

The Ministry of Justice shall no later than twelve days prior to the election date announce the presentation of the electoral register through state radio and television and through newspaper advertisements. The advertisement shall indicate that those who wish to make complaints regarding the electoral register shall send them to the relevant municipal authority.

Article 26

The electoral register shall be presented to the public in the offices of the local authorities or in other suitable locations no later than ten days prior to the election day. The municipal authority shall announce where the electoral register will be presented in the above manner, and it shall do so in every local government area in the places where public announcements are customarily published. Following the presentation of the electoral register, the register shall be available for the public during regular office hours until election day. A certified transcript of the electoral register can be used for presentation.