North Korea is an interesting choice, because its citizens do not even have internet connectivity [1]. What they have is a North Korean national intranet which is tightly controlled [2]. I don't believe Tor would be useful for circumventing this.

[1] http://www.nbcnews.com/technology/north-koreas-internet-what...

[2] http://en.wikipedia.org/wiki/Kwangmyong_(network)