The UN predicts an additional 2.5 billion citydwellers (and 300 million fewer countrydwellers) worldwide by 2050, with 90% of urban population expansion occurring in Asia and Africa.
Tagayt n alɣalim ta maqqorat s itawan UN tallaɣat as a ti imilan daɣ tilkamat 2.5 n milyar n imazzaɣan n iɣirman (300 n milyon daɣ san ad ifalan assaxra tan) diha daɣ s awatay wan 2050, s 90% n efes n išaɣib wa he iskinan daɣ aɣrim ojjar daɣ Asia id Afrikiya