The discrimination that appears today hinders people from receiving better and ideal education. In America, the social position of the African-Americans is very low, which is due to racial discrimination. According to the 2013 census data released by the United States, the annual average income of white-earners in 2011 was 62,000 U.S. dollars, compared with only 41,000 U.S. dollars for African-American families, the former is one-third higher than the latter. More than 40% of the American wandering people are African-Americans. At least 20% of people of African-American do not have medical insurance. Their poverty rate is two to three times that of whites and up to about 25%.