| Rank | Country | at birth | Sex ratio |
43 | Cuba | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1 male(s)/female 65 years and over: 0.83 male(s)/female total population: 0.99 male(s)/female (2011 est.) |
| European Union | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1 male(s)/female 65 years and over: 0.73 male(s)/female total population: 0.95 male(s)/female (2011 est.) |
44 | Gaza Strip | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1.05 male(s)/female 65 years and over: 0.68 male(s)/female total population: 1.04 male(s)/female (2011 est.) |
45 | Guam | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.07 male(s)/female 15-64 years: 1.04 male(s)/female 65 years and over: 0.85 male(s)/female total population: 1.03 male(s)/female (2011 est.) |
46 | Jersey | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.08 male(s)/female 15-64 years: 1 male(s)/female 65 years and over: 0.8 male(s)/female total population: 0.97 male(s)/female (2011 est.) |
47 | Jordan | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1.03 male(s)/female 65 years and over: 0.97 male(s)/female total population: 1.04 male(s)/female (2011 est.) |
48 | Nigeria | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.05 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 (2011 est.) |
49 | Romania | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 0.99 male(s)/female 65 years and over: 0.69 male(s)/female total population: 0.95 male(s)/female (2011 est.) |
50 | Russia | 1.06 | at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 0.92 male(s)/female 65 years and over: 0.44 male(s)/female total population: 0.85 male(s)/female (2011 est.) |