Turks and Caicos Islands
total: 2
under 914 m: 2 (2007)
Tuvalu
total: 1
1,524 to 2,437 m: 1 (2007)
Uganda
total: 27
2,438 to 3,047 m: 1
1,524 to 2,437 m: 6
914 to 1,523 m: 11
under 914 m: 9 (2007)
Ukraine
total: 244
2,438 to 3,047 m: 3
1,524 to 2,437 m: 11
914 to 1,523 m: 13
under 914 m: 217 (2007)
United Arab Emirates total: 17 over 3,047 m: 2 2,438 to 3,047 m: 1 1,524 to 2,437 m: 4 914 to 1,523 m: 5 under 914 m: 5 (2007)
United Kingdom
total: 139
2,438 to 3,047 m: 1
1,524 to 2,437 m: 2
914 to 1,523 m: 23
under 914 m: 113 (2007)
United States
total: 9,804
2,438 to 3,047 m: 7
1,524 to 2,437 m: 153
914 to 1,523 m: 1,732
under 914 m: 7,912 (2007)
Uruguay
total: 51
1,524 to 2,437 m: 3
914 to 1,523 m: 19
under 914 m: 29 (2007)
Uzbekistan
total: 21
2,438 to 3,047 m: 2
under 914 m: 19 (2007)
Vanuatu
total: 28
914 to 1,523 m: 6
under 914 m: 22 (2007)