The Salvation Army is one of the world's largest providers of social aid, with expenditures including operating costs of $2.6 billion in 2004, helping more than 32 million people in the U.S. alone. In addition to community centres and disaster relief, the organisation does work in refugee camps, especially among displaced people in Africa. The Salvation Army has received an A-rating from the American Institute of Philanthropy. In the United Kingdom, the Salvation Army is no longer the largest nongovernmental provider of social services; however, it still provides a significant service to people in need. The Salvation Army is the second largest charity in the United States, with private donations of almost $2 billion for the fiscal year ending 30 September 2007. and is a member of the American organisation "Christian Churches Together".