Slovenia
6% of GDP (2005)

Solomon Islands
3.3% of GDP (1999)

Somalia
NA

South Africa
5.4% of GDP (2006)

Spain
4.2% of GDP (2005)

Sri Lanka
NA

Sudan
6% of GDP (1991)

Suriname
NA

Swaziland
7% of GDP (2005)

Sweden
7.1% of GDP (2005)