Uganda
0 cu m (2007 est.)
Ukraine
4 billion cu m (2006 est.)
United Arab Emirates
6.848 billion cu m (2005 est.)
United Kingdom
10.4 billion cu m (2007 est.)
United States
23.28 billion cu m (2007 est.)
Uruguay
0 cu m (2007 est.)
Uzbekistan
14.01 billion cu m (2007 est.)
Vanuatu
0 cu m (2007 est.)
Venezuela
0 cu m (2007 est.)
Vietnam
0 cu m (2007 est.)