Samoa
lowest 10%: NA
highest 10%: NA

San Marino
lowest 10%: NA%
highest 10%: NA%

Sao Tome and Principe
lowest 10%: NA
highest 10%: NA

Saudi Arabia
lowest 10%: NA
highest 10%: NA

Senegal
lowest 10%: 2.6%
highest 10%: 33.5% (1995)

Serbia and Montenegro
lowest 10%: NA%
highest 10%: NA%

Seychelles
lowest 10%: NA
highest 10%: NA

Sierra Leone
lowest 10%: 0.5%
highest 10%: 43.6% (1989)

Singapore
lowest 10%: NA
highest 10%: NA

Slovakia
lowest 10%: 5.1%
highest 10%: 18.2% (1992)