@Deb_Ban North Korea has political problem because its leadership is against most countries. But overall as far as Sports and economy is concerned, they are better then many other countries who feature in Olympics or World Cup. They qualified 2 times in World Cup Football. 54 medals in Summer Olympics and 2 in Winter Olympics. How much have we achieved? Who says they have no economy? Their GDP (nominal or PPP) is better then many other Asian or African countries. As far as population is concerned, South part was always more populated then North Part even before Korean War and division of the country. Their leadership and closed society is the problem. Communist countries put more focus on Sports - Cuba is another example.
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https://en.wikipedia.org/wiki/North_Korean_famine
And there was a mass exodus from there:
http://ngm.nationalgeographic.com/print/2009/02/north-korea/oneill-text
But let us stick to football only, and let the North Koreans manage their country the way they want. Their football is good.
http://mumbaimirror.indiatimes.com/sport/football/chinese-league-is-here-new-channel-dsport-to-show-it-from-march-11/articleshow/57280506.cms