Sri Lanka:
19,408,635 (July 2001 est.)

note: since the outbreak of hostilities between the government and armed Tamil separatists in the mid-1980s, several hundred thousand Tamil civilians have fled the island; as of mid-1999, approximately 66,000 were housed in 133 refugee camps in south India, another 40,000 lived outside the Indian camps, and more than 200,000 Tamils have sought refuge in the West

Sudan:
36,080,373 (July 2001 est.)

Suriname:
433,998 (July 2001 est.)

Svalbard:
2,332 (July 2001 est.)

Swaziland:
1,104,343

note: estimates for this country explicitly take into account the effects of excess mortality due to AIDS; this can result in lower life expectancy, higher infant mortality and death rates, lower population and growth rates, and changes in the distribution of population by age and sex than would otherwise be expected (July 2001 est.)

Sweden:
8,875,053 (July 2001 est.)

Switzerland:
7,283,274 (July 2001 est.)

Syria:
16,728,808