United Kingdom
29.2 billion cu m (2007 est.)
United States
130.3 billion cu m (2007 est.)
Uruguay
116.9 million cu m (2007)
Uzbekistan
0 cu m (2007 est.)
Vanuatu
0 cu m (2007 est.)
Venezuela
0 cu m (2007 est.)
Vietnam
0 cu m (2007 est.)
Virgin Islands
0 cu m (2007 est.)
Western Sahara
0 cu m (2007 est.)
World
957.6 billion cu m (2007)