A full copy of the Soviet Union.
For sure, no homeless people, no gangs on the streets, no shootings.
No Internet, obligatory military service, you could get imprisoned for not crying on Kim's funeral...
I'm quite sure many North Koreans would run South if they were allowed to.
Also, most homeless people in the Western world are like that by choice.
It is true that the North Koreans are much poorer than their South Korean neighbors. But only a minority will be willing to migrate to the South, and those too, mostly for economic purposes. Recently, analysts have noticed a dip in defections to the South, and many believe that the improving economy of the DPRK has played a major part in this.