| Rank | Country | total population | Sex ratio |
138 | Sao Tome and Principe | 0.98 | at birth: 1.03 male(s)/female under 15 years: 1.03 male(s)/female 15-64 years: 0.94 male(s)/female 65 years and over: 0.82 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
139 | Sweden | 0.98 | 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: 0.79 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
140 | Tanzania | 0.98 | at birth: 1.03 male(s)/female under 15 years: 1 male(s)/female 15-64 years: 0.97 male(s)/female 65 years and over: 0.78 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
141 | Thailand | 0.98 | at birth: 1.05 male(s)/female under 15 years: 1.05 male(s)/female 15-64 years: 0.98 male(s)/female 65 years and over: 0.83 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
142 | Turkmenistan | 0.98 | at birth: 1.05 male(s)/female under 15 years: 1.02 male(s)/female 15-64 years: 0.98 male(s)/female 65 years and over: 0.77 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
143 | United Kingdom | 0.98 | 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: 0.76 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
144 | Venezuela | 0.98 | 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: 0.8 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
145 | Vietnam | 0.98 | at birth: 1.07 male(s)/female under 15 years: 1.08 male(s)/female 15-64 years: 0.99 male(s)/female 65 years and over: 0.63 male(s)/female total population: 0.98 male(s)/female (2009 est.) |
146 | Argentina | 0.97 | 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: 0.7 male(s)/female total population: 0.97 male(s)/female (2009 est.) |
147 | Azerbaijan | 0.97 | at birth: 1.13 male(s)/female under 15 years: 1.12 male(s)/female 15-64 years: 0.96 male(s)/female 65 years and over: 0.58 male(s)/female total population: 0.97 male(s)/female (2009 est.) |