| Rank | Country | Sex ratio |
152 | Chad | at birth: 1.04 male(s)/female under 15 years: 1.03 male(s)/female 15-64 years: 0.84 male(s)/female 65 years and over: 0.73 male(s)/female total population: 0.92 male(s)/female (2008 est.) |
78 | Chile | 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: 0.71 male(s)/female total population: 0.98 male(s)/female (2008 est.) |
5 | China | at birth: 1.11 male(s)/female under 15 years: 1.13 male(s)/female 15-64 years: 1.06 male(s)/female 65 years and over: 0.91 male(s)/female total population: 1.06 male(s)/female (2008 est.) |
| Christmas Island | NA |
| Clipperton Island | void |
| Cocos (Keeling) Islands | void |
170 | Colombia | at birth: 1.03 male(s)/female under 15 years: 1.02 male(s)/female 15-64 years: 0.95 male(s)/female 65 years and over: 0.76 male(s)/female total population: 0.96 male(s)/female (2008 est.) |
171 | Comoros | at birth: 1.03 male(s)/female under 15 years: 1.01 male(s)/female 15-64 years: 0.98 male(s)/female 65 years and over: 0.85 male(s)/female total population: 0.98 male(s)/female (2008 est.) |
172 | Congo, Democratic Republic of the | 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: 0.68 male(s)/female total population: 0.99 male(s)/female (2008 est.) |
173 | Congo, Republic of the | 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: 0.7 male(s)/female total population: 0.99 male(s)/female (2008 est.) |
16 | Cook Islands | total population: 1.07 male(s)/female (2001 census) |
| Coral Sea Islands | void |
79 | Costa Rica | 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: 0.86 male(s)/female total population: 1.02 male(s)/female (2008 est.) |
174 | Cote d'Ivoire | at birth: 1.03 male(s)/female under 15 years: 0.97 male(s)/female 15-64 years: 1.01 male(s)/female 65 years and over: 0.92 male(s)/female total population: 0.99 male(s)/female (2008 est.) |
36 | Croatia | 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: 0.63 male(s)/female total population: 0.93 male(s)/female (2008 est.) |
37 | Cuba | 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 (2008 est.) |
80 | Cyprus | 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 (2008 est.) |
38 | Czech Republic | at birth: 1.06 male(s)/female under 15 years: 1.06 male(s)/female 15-64 years: 1.01 male(s)/female 65 years and over: 0.65 male(s)/female total population: 0.95 male(s)/female (2008 est.) |
39 | Denmark | at birth: 1.06 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.01 male(s)/female 65 years and over: 0.77 male(s)/female total population: 0.98 male(s)/female (2008 est.) |
| Dhekelia | void |
175 | Djibouti | at birth: 1.03 male(s)/female under 15 years: 1.01 male(s)/female 15-64 years: 1.07 male(s)/female 65 years and over: 1.01 male(s)/female total population: 1.04 male(s)/female (2008 est.) |
81 | Dominica | at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 1.05 male(s)/female 65 years and over: 0.75 male(s)/female total population: 1.02 male(s)/female (2008 est.) |
153 | Dominican Republic | at birth: 1.04 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 1.04 male(s)/female 65 years and over: 0.86 male(s)/female total population: 1.03 male(s)/female (2008 est.) |
82 | Ecuador | at birth: 1.05 male(s)/female under 15 years: 1.04 male(s)/female 15-64 years: 0.99 male(s)/female 65 years and over: 0.88 male(s)/female total population: 1 male(s)/female (2008 est.) |