Taiwan
6.229 billion cu m (1 January 2009 est.)
Tajikistan
5.663 billion cu m (1 January 2009 est.)
Tanzania
6.513 billion cu m (1 January 2009 est.)
Thailand
317.1 billion cu m (1 January 2009 est.)
Timor-Leste
200 billion cu m (1 January 2006 est.)
Togo
0 cu m (1 January 2009 est.)
Tonga
0 cu m (1 January 2009 est.)
Trinidad and Tobago
531.5 billion cu m (1 January 2009 est.)
Tunisia
65.13 billion cu m (1 January 2009 est.)
Turkey
8.495 billion cu m (1 January 2009 est.)