Saudi Arabia
$58.6 billion (31 December 2007 est.)
Senegal
$2.19 billion (31 December 2007)
Serbia
$26.24 billion (includes debt for Montenegro and Kosovo)
(2007 est.)
Seychelles
$1.059 billion (31 December 2007 est.)
Sierra Leone
$1.61 billion (2003 est.)
Singapore
$25.59 billion (31 December 2007 est.)
Slovakia
$36.63 billion (31 December 2007)
Slovenia
$40.42 billion (30 June 2007)
Solomon Islands
$166 million (2004)
Somalia
$3 billion (2001 est.)