Value of Treasury Securities Attributed to Major Investing Country (June 2011) Billions of dollars China, Mainland " $1,307 " Japan $882 Brazil $216 Middle East oil exporters $189 Russia $152 Taiwan $147 United Kingdom $130 Luxembourg $124 Switzerland $118 Hong Kong $112 Cayman Islands $111 Belgium $89 Source: Department of the Treasury, Federal Reserve Bank of New York and the Board of Governors of the Federal Reserve System. Notes: Countries on the map represent approximately 75 percent of foreign-held Treasury securities. Data from Report on Foreign Portfolio Holdings of U.S. Securities as of June 30,2011. Map from Map Resources. China refers to Mainland China and not Hong Kong, Macau, or Taiwan. Middle East oil exporters are Bahrain, Iran, Iraq, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates; the holdings for individual oil exporting countries are not available.