Tokelau
NA (2003 est.)

Tonga
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 0.99 male(s)/female (2003 est.)

Trinidad and Tobago
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.09 male(s)/female
65 years and over: 0.81 male(s)/female
total population: 1.05 male(s)/female (2003 est.)

Tunisia
at birth: 1.08 male(s)/female
under 15 years: 1.07 male(s)/female
15-64 years: 1 male(s)/female
65 years and over: 0.96 male(s)/female
total population: 1.02 male(s)/female (2003 est.)

Turkey
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.85 male(s)/female
total population: 1.02 male(s)/female (2003 est.)

Turkmenistan
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.96 male(s)/female
65 years and over: 0.62 male(s)/female
total population: 0.98 male(s)/female (2003 est.)

Turks and Caicos Islands
at birth: 1.05 male(s)/female
under 15 years: 1.03 male(s)/female
15-64 years: 1.11 male(s)/female
65 years and over: 0.8 male(s)/female
total population: 1.07 male(s)/female (2003 est.)

Tuvalu
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.93 male(s)/female
65 years and over: 0.67 male(s)/female
total population: 0.95 male(s)/female (2003 est.)

Uganda
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 0.99 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 0.99 male(s)/female (2003 est.)

Ukraine
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.5 male(s)/female
total population: 0.86 male(s)/female (2003 est.)