Uganda
$-590.8 million (2004 est.)

Ukraine
$4.584 billion (2004 est.)

United Arab Emirates
$6.3 billion (2004 est.)

United Kingdom
$-33.46 billion (2004 est.)

United States
$-646.5 billion (2004 est.)

Uruguay
$181.8 million (2004 est.)

Uzbekistan
$461.9 million (2004 est.)

Venezuela
$14.59 billion (2004 est.)

Vietnam
$-2.061 billion (2004 est.)

Yemen
$369.9 million (2004 est.)