United Kingdom
5.6% of GDP (2005)
United States
5.3% of GDP (2005)
Uruguay
2.9% of GDP (2006)
Uzbekistan
9.4% of GDP (1991)
Vanuatu
9.5% of GDP (2003)
Venezuela
3.7% of GDP (2006)
Vietnam
1.8% of GDP (1991)
Virgin Islands
NA
West Bank
NA
Yemen
9.6% of GDP (2001)