The only countries without such a gap were those with either very little immigration, like Poland, or those with a more open, informed, and progressive political debate about immigration, like Sweden and Germany.
仅有的没有出现重大差异的国家要么移民数量极少（如波兰），要么本身就更加开放、信息更加充分、关于移民的政治争论也较为进步（如瑞典和德国）。