Sao Tome and Principe
purchasing power parity - $1,200 (2002 est.)

Saudi Arabia
purchasing power parity - $11,400 (2002 est.)

Senegal
purchasing power parity - $1,500 (2002 est.)

Serbia and Montenegro
purchasing power parity - $2,200 (2002 est.)

Seychelles
purchasing power parity - $7,800 (2002 est.)

Sierra Leone
purchasing power parity - $500 (2002 est.)

Singapore
purchasing power parity - $25,200 (2002 est.)

Slovakia
purchasing power parity - $12,400 (2002 est.)

Slovenia
purchasing power parity - $19,200 (2002 est.)

Solomon Islands
purchasing power parity - $1,700 (2001 est.)