The human sex ratio is the number of males for each female in a population.
This is a list of sex ratios by country or region. The table's data is derived from The World Factbook except when otherwise indicated. It shows the male to female sex ratio as estimated by the United States' Central Intelligence Agency.
However, there are differences between the estimates by The World Factbook and numbers reported by the census offices of respective countries. For example, The World Factbook in reported Switzerland's sex ratio at birth as 1. A ratio above 1, e.
A ratio below 1, e. A ratio of 1 means there are equal numbers of females and males. From Wikipedia, the free encyclopedia. This article needs to be updated. Please update this article to reflect recent events or newly available information. Switzerland Federal Statistics Office.
World DataBank, a compilation of databases by the World Bank. Lists of countries by population statistics.
Current population Current population United Nations. Past population United Nations estimates Past and future population 1 population milestones Future population. Current density Current real density based on food growing capacity. Population growth rate Natural increase Birth rate Mortality rate Fertility rate.