 Jurchen migrants from the northeastern reaches of Jin territory settled in the Jin @-@ controlled lands of northern China . <unk> less than ten percent of the total population , the two to three million ruling Jurchens were a minority in a region that was still dominated by 30 million Han Chinese . The southward expansion of the Jurchens caused the Jin to transition their <unk> government of semi @-@ agrarian tribes to a bureaucratic Chinese @-@ style dynasty . 
