If there is a discrepancy between The World Factbook and a country's census data, the latter may be used instead.. A ratio above 1, for example 1.1, means there are 1.1 males for every 1 female (more males than females). With more than 3 … The table's data is from The World Factbook unless noted otherwise.

Methodology. What US city has the highest female to male ratio?

Sex ratio of 100 means there are equal numbers of females and males. The nuanced answer depends on the age range. It shows the male to female sex ratio by the Central Intelligence Agency of the United States.