Beijing is known as a famous historical and cultural city. As one of the fastest growing cities in recent years, Beijing has been authorized as the first-tier city. The permanent population in Beijing is more than 20 million, with Abundant educational resources, is also known as one of the most developed area in the national education in China. By 2016, there are 91 colleges and universities in Beijing, including Peking University, Tsinghua university, Beijing normal university, University of International Business and Economics, which are the most famous universities across the country.