Sudan
6% of GDP (1991)

Suriname
NA

Swaziland
7.9% of GDP (2008)

Sweden
6.7% of GDP (2007)

Switzerland
5.3% of GDP (2007)

Syria
4.9% of GDP (2007)

Taiwan
NA

Tajikistan
3.5% of GDP (2008)

Tanzania
6.8% of GDP (2008)

Thailand
4.9% of GDP (2008)