Taiwan
territorial sea: 12 nm
exclusive economic zone: 200 nm

Tajikistan
none (landlocked)

Tanzania
territorial sea: 12 nm
exclusive economic zone: 200 nm

Thailand
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200-m depth or to the depth of exploitation

Togo
territorial sea: 30 nm
exclusive economic zone: 200 nm

Tokelau
territorial sea: 12 nm
exclusive economic zone: 200 nm

Tonga
territorial sea: 12 nm
exclusive economic zone: 200 nm
continental shelf: 200-m depth or to the depth of exploitation

Trinidad and Tobago measured from claimed archipelagic baselines territorial sea: 12 nm contiguous zone: 24 nm exclusive economic zone: 200 nm continental shelf: 200 nm or to the outer edge of the continental margin

Tromelin Island territorial sea: 12 nm exclusive economic zone: 200 nm continental shelf: 200-m depth or to the depth of exploitation

Tunisia
territorial sea: 12 nm
contiguous zone: 24 nm