Samoa
purchasing power parity - $5,600 (2002 est.)
San Marino
purchasing power parity - $34,600 (2001 est.)
Sao Tome and Principe
purchasing power parity - $1,200 (2003 est.)
Saudi Arabia
purchasing power parity - $12,000 (2004 est.)
Senegal
purchasing power parity - $1,700 (2004 est.)
Serbia and Montenegro
purchasing power parity - $2,400 (2004 est.)
Seychelles
purchasing power parity - $7,800 (2002 est.)
Sierra Leone
purchasing power parity - $600 (2004 est.)
Singapore
purchasing power parity - $27,800 (2004 est.)
Slovakia
purchasing power parity - $14,500 (2004 est.)