The 2010 CIA World Factbook

by United States. Central Intelligence Agency

Saudi Arabia
16.7% of GDP (2010 est.)
22.6% of GDP (2009 est.)

Senegal
32.1% of GDP (2010 est.)
29.6% of GDP (2009 est.)

Serbia
37.8% of GDP (2010 est.)
31.3% of GDP (2009 est.)

Seychelles
58.8% of GDP (2010 est.)
58.7% of GDP (2009 est.)

Singapore
102.4% of GDP (2010 est.)
110% of GDP (2009 est.)
note: for Singapore, public debt consists largely of Singapore
Government Securities (SGS) issued to assist the Central Provident
Fund (CPF), which administers Singapore's defined contribution
pension fund; special issues of SGS are held by the CPF, and are
non-tradeable; the government has not borrowed to finance deficit
expenditures since the 1980s

Slovakia
41% of GDP (2010 est.)
35.7% of GDP (2009 est.)

Slovenia
35.5% of GDP (2010 est.)
31.3% of GDP (2009 est.)

South Africa
33.2% of GDP (2010 est.)
29.7% of GDP (2009 est.)

Spain
63.4% of GDP (2010 est.)
53.2% of GDP (2009 est.)

Sri Lanka
86.7% of GDP (2010 est.)
85.8% of GDP (2009 est.)