In the recent North Korean elections all the seats are won by the Democratic Front for the Reunification of the Fatherland.
The Economist magazine provides a good explanation of how the electoral system operated
Background reports and results can be found on the website of the IPU Parline database.
and the IFES election guide.
For background information on the state of democracy and human right sin the region some recommended starting points are
Freedom House rankings
US Department of State annual human rights reports
Network for North Korean Democracy and human rights. has news and reports.
The International Coalition to Stop Crimes against Humanity in North Korea (ICNK), an alliance of over 40 human rights groups from around the world its website has reports on international action plus links to full text reports.