Immigration actually slowed down in the last decade despite the uproar , authors say . They say the immigration issue is much more contentious because of a poor economy . Some areas have seen immigrant numbers more than double , causing controversy . Australia : While some have laws to curb immigration , other places welcome them .
Immigration actually slowed down in the last decade despite the uproar , authors say . They say the immigration issue is much more contentious because of a poor economy . Some areas have seen immigrant population more than double , prompting controversy . Authors : While some pass laws to curb immigrants , other places welcome them .