Brown ranks No. 21 among the top Peace Corps volunteer-producing colleges and universities for 2012 in the medium size category. There are currently 24 Brown undergraduate alumni serving overseas. Last year, Brown had 21 alumni volunteers and was No. 25 in the 2011 rankings. Since the agency was founded in 1961, 623 Brown University alumni have served in the Peace Corps. Brown alumni are currently serving as volunteers in Botswana, Cape Verde, China, Dominican Republic, Eastern Caribbean, Ghana, Guatemala, Jamaica, Jordan, Mozambique, Nicaragua, Paraguay, Peru, Rwanda, Senegal, Sierra Leone, South Africa, Tanzania and Ukraine. They work in areas including agriculture, education, environment, health and HIV/AIDS, business development and youth development.