The 2007 CIA World Factbook

by United States. Central Intelligence Agency

Saudi Arabia
13.3 million (2005)

Senegal
1.73 million (2005)

Serbia
5.229 million (2005)

Seychelles
57,000 (2005)

Sierra Leone
113,200 (2003)

Singapore
4.385 million (2005)

Slovakia
4.54 million (2005)

Slovenia
1.759 million (2005)

Solomon Islands
6,000 (2005)

Somalia
500,000 (2005)