Sex ratio is the indicator that assesses the ratio between the number of men and women in a given population. This indicator has shown a downward trend over time.
In Brazil, in the beginning of the last century, there were 104 men for each 100 women. In the State this figure was 103.4 men for each 100 women. Recently, according to data of the 2010 Population Census, this figure was 96 men for every 100 women in Brazil, and 95 men for every 100 women in Rio Grande do Sul.
The Population Census also shows the female predominance in absolute terms, both in Brazilian population as in the state one. Besides, such predominance is accentuated in older age groups.
Among the COREDEs (Regional Councils of Development), Metropolitano Delta do Jacuí, Vale do Rio dos Sinos, Produção, Alto Jacuí, Central, Campanha and Sul stand out for showing the lowest ratio of men for 100 women.