Macau
at birth: 1.05 male(s)/female
under 15 years: 1.14 male(s)/female
15-64 years: 0.88 male(s)/female
65 years and over: 0.88 male(s)/female
total population: 0.92 male(s)/female (2010 est.)

Macedonia
at birth: 1.077 male(s)/female
under 15 years: 1.08 male(s)/female
15-64 years: 1.02 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 1 male(s)/female (2010 est.)

Madagascar
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: 0.8 male(s)/female
total population: 0.99 male(s)/female (2010 est.)

Malawi
at birth: 1.015 male(s)/female
under 15 years: 1 male(s)/female
15-64 years: 1 male(s)/female
65 years and over: 0.76 male(s)/female
total population: 0.99 male(s)/female (2010 est.)

Malaysia
at birth: 1.069 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 1.01 male(s)/female
65 years and over: 0.79 male(s)/female
total population: 1.01 male(s)/female (2010 est.)

Maldives
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.57 male(s)/female
65 years and over: 0.98 male(s)/female
total population: 1.4 male(s)/female (2010 est.)

Mali
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 0.95 male(s)/female
65 years and over: 0.92 male(s)/female
total population: 0.98 male(s)/female (2010 est.)

Malta
at birth: 1.058 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.03 male(s)/female
65 years and over: 0.77 male(s)/female
total population: 0.99 male(s)/female (2010 est.)

Marshall Islands
at birth: 1.05 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.04 male(s)/female
65 years and over: 0.94 male(s)/female
total population: 1.04 male(s)/female (2010 est.)

Mauritania
at birth: 1.03 male(s)/female
under 15 years: 1.01 male(s)/female
15-64 years: 0.89 male(s)/female
65 years and over: 0.74 male(s)/female
total population: 0.93 male(s)/female (2010 est.)