Also because residents of Germany have a duty to always maintain an accurate registration of their current address with the county. So the German state actually

Also because residents of Germany have a duty to always maintain an accurate registration of their current address with the county. So the German state actually knows where its voters live, making voter registration superfluous. In case that was sarcasm, then I have to disagree. The current German state has an excellent track record when it comes to voter enfranchisement. Its shortcomings with the democratic process lay elsewhere. The last really questionable action relating to elections was the questionable ban of the communist party - in 1956.