Definition: Debt service
Scheduled interest and principal payments (amortization) due on public and publicly guaranteed debt outstanding during a year.
(Online IMF financial glossary)
Refers to payments in respect of both principal and interest. Actual debt service is the set of payments actually made to satisfy a debt obligation, including principal, interest, and any late payment fees. Scheduled debt service is the set of payments, including principal and interest, that is required to be made through the life of the debt.
(External debt statistics)
International Monetary Fund (IMF), "Online glossary of selected financial terms" (as per March 15th, 2008), International Monetary Fund, Washington D.C., 2008