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: 0.84 male(s)/female
total population: 1.02 male(s)/female (2006 est.)

Turkmenistan
at birth: 1.05 male(s)/female
under 15 years: 1.06 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 (2006 est.)

Turks and Caicos Islands
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.11 male(s)/female
65 years and over: 0.83 male(s)/female
total population: 1.07 male(s)/female (2006 est.)

Tuvalu
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 0.95 male(s)/female
65 years and over: 0.61 male(s)/female
total population: 0.95 male(s)/female (2006 est.)

Uganda
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 1 male(s)/female (2006 est.)

Ukraine
at birth: 1.07 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 0.92 male(s)/female
65 years and over: 0.52 male(s)/female
total population: 0.86 male(s)/female (2006 est.)

United Arab Emirates
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.55 male(s)/female
65 years and over: 2.73 male(s)/female
total population: 1.43 male(s)/female (2006 est.)

United Kingdom
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.75 male(s)/female
total population: 0.98 male(s)/female (2006 est.)

United States
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1 male(s)/female
65 years and over: 0.72 male(s)/female
total population: 0.97 male(s)/female (2006 est.)

Uruguay
at birth: 1.04 male(s)/female
under 15 years: 1.03 male(s)/female
15-64 years: 0.98 male(s)/female
65 years and over: 0.69 male(s)/female
total population: 0.95 male(s)/female (2006 est.)

Uzbekistan
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: 0.69 male(s)/female
total population: 0.98 male(s)/female (2006 est.)

Vanuatu
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.04 male(s)/female