Per the CIA World Factbook, External Debt is the total public and private debt carried by a particular nation as owed to outside parties (i.e. the international community), repayable through currency exchanges, consumer/durable goods and applicable services. Typically, larger, better developed nations will carry a large external debt total. External Debt is just one outside factor used when considering a nation's overall fiscal "health" as going to war tends to have a prominent, far-reaching impact on economies. For the purposes of the final GFP ranking, a high External Debt total serves a penalty.
External Debt data through 2015. The values below are displayed in USD ($).
Sources: CIA.gov, CIA World Factbook, wikipedia.com, public domain print and media sources and user contributions. Some values may be estimated when official sources are lacking.