Mongolia is 50-75% urban? Huh. Need to rethink my mental picture of Mongolia. PS, typo at:The U.N. projects that it will be . Considering that countries in the developed world have already urbanized, the majority of these rural-to-urban migrations will be in the developing world (figure below).
Also, Mongolia is already predominantly urban: http://i.imgur.com/sJTwnmG.gif Very few people want to live in desolate cold landscapes away from people and with few conveniences. Now that we can support large urban populations, people want to live there.
My brother spent a month there last year for business. Cold and Desolate are good descriptions, even in the city. Even though it was crazy cold, he enjoyed his stay and almost moved out there because of their burgeoning economy. -petroleum. I was bummed out when I heard he wasn't moving there. I was looking forward to visiting.