Debt Distribution
For the Debt Distribution (Interest) graph, the interest expense is cumulative per fiscal year, which includes the months of October through September. In December and June, non-marketable interest will increase due to semiannual interest payments for Special Issue securities that occur at the end of these months.
Security Type
The debt is made up of a variety of security types. Check the rest of our website for a more complete description of each type of security.