Sao Tome and Principe
0 cu m (1 January 2009 est.)
Saudi Arabia
7.319 trillion cu m (1 January 2009 est.)
Senegal
0 cu m
Serbia
48.14 billion cu m (1 January 2009 est.)
Seychelles
0 cu m (1 January 2009 est.)
Sierra Leone
0 cu m (1 January 2009 est.)
Singapore
0 cu m (1 January 2009 est.)
Slovakia
14.16 billion cu m (1 January 2009 est.)
Slovenia
0 cu m (1 January 2009 est.)
Solomon Islands
0 cu m (1 January 2009 est.)