Tuvalu
0 migrant(s)/1,000 population (2004 est.)

Uganda
0 migrant(s)/1,000 population
note: according to the UNHCR, by the end of 2001, Uganda was host to
178,815 refugees from a number of neighboring countries, including:
Sudan 155,996, Rwanda 14,375, and Democratic Republic of the Congo
7,459 (2004 est.)

Ukraine
-0.39 migrant(s)/1,000 population (2004 est.)

United Arab Emirates
1.03 migrant(s)/1,000 population (2004 est.)

United Kingdom
2.19 migrant(s)/1,000 population (2004 est.)

United States
3.41 migrant(s)/1,000 population (2004 est.)

Uruguay
-0.32 migrant(s)/1,000 population (2004 est.)

Uzbekistan
-1.72 migrant(s)/1,000 population (2004 est.)

Vanuatu
0 migrant(s)/1,000 population (2004 est.)

Venezuela
-0.04 migrant(s)/1,000 population (2004 est.)