5 Countries That Own the Most U.S. Debt

4. Belgium

Total holdings of U.S. treasury securities (in billions): $331.1

Due to U.S. securities being considered among the safest investments in the world, Belgium has made significant investment in U.S. debt. Another reason why Belgium is in this list is because of the fact that major depository institutions such as Euroclear and State Street Corporation (NYSE:STT) have a strong presence in Belgium, and investment in U.S. Treasury securities by these institutions is also reflected in Belgium’s U.S. debt ownership.