
The United States public debt is the money borrowed by the federal government of the United States at any one time through the issue of securities by the Treasury and other federal government agencies.
As of March 2012, debt held by the public was $10.85 trillion about 70 per cent GDP, while the intragovernmental debt was $4.74 trillion or about 30 per cent of GDP.
These two amounts make a whopping national debt of $15.6 trillion, roughly 100 per cent of GDP.
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2. China
US debt holdings: $1.132 trillion
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3. Other Investors/Savings Bonds
US debt holdings $1.107 trillion
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4. Japan
US debt holdings: $1.038 trillion
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5. Pension Funds
US debt holdings: $842.2 billion
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6. Mutual Funds
US debt holdings: $653.5 billion
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7. State and local governments
US debt holdings: $484.4 billion
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8. The United Kingdom
US debt holdings: $429.4 billion
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9. Depository Institutions
US debt holdings: $284.5 billion
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10. Insurance Companies
US debt holdings: $250.1 billion
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11. Oil Exporters
US debt holdings: $232 billion
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12. Brazil
US debt holdings: $206.4 billion
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13. Caribbean Banking Centers
US debt holdings: $185.3 billion
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14. Taiwan
US debt holdings: $149.6 billion
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15. Switzerland
US debt holdings: $113.9 billion