The University of California, Irvine is a public research university located in Irvine, California, and one of the 10 general campuses in the University of California (UC) system. UCI has over 30,000 students, 1,100 faculty members and 9,000 staff. Times Higher Education (London, UK) in 2014 ranked UC Irvine 1st among all US universities and 7th among the top 100 global universities under 50 years old. UC Irvine is considered a Public Ivy and offers 80 undergraduate degrees and 98 graduate and professional degrees. The university is designated as having very high research activity in the Carnegie Classification of Institutions of Higher Education, and in fiscal year 2013 had $348 million in research and development expenditures according to the National Science Foundation. UC Irvine became a member of the Association of American Universities in 1996, and is the youngest university to hold membership. The university also administers the UC Irvine Medical Center, a large teaching hospital in Orange, and its affiliated health sciences system; the University of California, Irvine, Arboretum; and a portion of the University of California Natural Reserve System.