Tanzania
22.65 billion cu m (1 January 2002)

Thailand
377.7 billion cu m (November 2003)

Trinidad and Tobago
733 billion cu m (1 January 2004)

Tunisia
77.87 billion cu m (2005)

Turkey
8.495 billion cu m (1 January 2002)

Turkmenistan
2.01 trillion cu m (1 January 2002)

Ukraine
1.121 trillion cu m (9 November 2004)

United Arab Emirates
6.006 trillion cu m (2005)

United Kingdom
628.6 billion cu m (31 December 2004)

United States
5.353 trillion cu m (1 January 2002)