Sierra Leone
0 bbl (1 January 2010 est.)
Singapore
0 bbl (1 January 2010 est.)
Slovakia
9 million bbl (1 January 2010 est.)
Slovenia
0 bbl (1 January 2010 est.)
Solomon Islands
0 bbl (1 January 2010 est.)
Somalia
0 bbl (1 January 2010 est.)
South Africa
15 million bbl (1 January 2010 est.)
Spain
150 million bbl (1 January 2010 est.)
Sri Lanka
0 bbl (1 January 2010 est.)
Sudan
6.8 billion bbl (1 January 2010 est.)