Immigration has been both beneficial and disadvantage for United States. The concern for immigration includes the expense on borders, job opportunities (which Americans recognize the fact that most of the unauthorized immigrants take the jobs that no one else are willing to do), and law as well as culture. The views on immigration thus, perhaps, have been shifting between whether or not they should remain the same system for immigrants, which is problematic while facing unauthorized immigrants. Comparing 2000 and 2014, in 14 years, "Highest Level of Education" Americans have an increasing amount of supporting the immigration to increase, or at least to remain present level. To be more specific, on the topic of immigration - should be kept at its present level, increased or decreased: in September 2000, high school degree or less had votes of 15% for increased,33% for remaining the same level, and 46% for decreased; the postgraduate had 17% of the votes supporting immigration to increase, 51% to keep it at the same level, 24% to decrease. In June 2014, there is 19% of the high school degree or less who voted for increase the amount of immigration, 31% for remain the present level, 47% of decrease the level; 30% of the postgraduate support to increase, 36% for remain the same, while 28% believe it should decrease.