Iceland
at birth: 1.04 male(s)/female
under 15 years: 1.03 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.83 male(s)/female
total population: 1 male(s)/female (2010 est.)

India
at birth: 1.12 male(s)/female
under 15 years: 1.13 male(s)/female
15-64 years: 1.07 male(s)/female
65 years and over: 0.91 male(s)/female
total population: 1.08 male(s)/female (2010 est.)

Indonesia
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 1 male(s)/female (2010 est.)

Iran
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: 0.91 male(s)/female
total population: 1.02 male(s)/female (2010 est.)

Iraq
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: 0.88 male(s)/female
total population: 1.03 male(s)/female (2010 est.)

Ireland
at birth: 1.057 male(s)/female
under 15 years: 1.07 male(s)/female
15-64 years: 1 male(s)/female
65 years and over: 0.81 male(s)/female
total population: 0.99 male(s)/female (2010 est.)

Isle of Man
at birth: 1.077 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 0.71 male(s)/female
total population: 0.96 male(s)/female (2010 est.)

Israel
at birth: 1.05 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.78 male(s)/female
total population: 1 male(s)/female (2010 est.)

Italy
at birth: 1.066 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.72 male(s)/female
total population: 0.96 male(s)/female (2010 est.)

Jamaica
at birth: 1.05 male(s)/female
under 15 years: 1.03 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.81 male(s)/female
total population: 0.98 male(s)/female (2010 est.)