Tunisia
none

Turkey
1,200 km (approximately)

Turkmenistan
the Amu Darya is an important inland waterway for
Turkmenistan, as is the man-made Kara Kum canal

Turks and Caicos Islands
none

Tuvalu
none

Uganda
Lake Victoria, Lake Albert, Lake Kyoga, Lake George, Lake
Edward, Victoria Nile, Albert Nile

Ukraine
4,499 km
note: 1,672 km are on the Pryp'yat' and Dniester (Dnister) (1990)

United Arab Emirates
none

United Kingdom
3,200 km

United States 41,009 km note: navigable inland channels, exclusive of the Great Lakes