In the United States, the number of medical students entering family practice training dropped by 50% between 1997 and 2005.[16] In 1998, half of internal medicine residents chose primary care, but by 2006, over 80% became specialists.[17] A survey Research by the University of Missouri-Columbia (UMC) and the U.S. Department of Health and Human Services predicts that by 2025 the United States will be short 35,000 to 44,000 adult care primary care physicians.[18]