Syria
2.5 billion bbl (1 January 2008 est.)
Taiwan
2.38 million bbl (1 January 2008 est.)
Tajikistan
12 million bbl (1 January 2008 est.)
Tanzania
0 bbl (1 January 2006 est.)
Thailand
460 million bbl (1 January 2008 est.)
Timor-Leste
NA
Togo
0 bbl (1 January 2006 est.)
Tonga
0 bbl (1 January 2007 est.)
Trinidad and Tobago
728.3 million bbl (1 January 2008 est.)
Tunisia
400 million bbl (1 January 2008 est.)