The Brazilian Football League is highly regionalised because of the vast size of the country. The structure of the league has changed frequently from year to year as different configurations are experimented with. Many of the most important matches each season are derbies, especially those in São Paulo and Rio de Janeiro.
There follows a regionalised list of the noted teams in the Brazilian football league.
... no husband present, and 28.1% are non-families. 24.0% of all households are made up of individuals and 11.7% have someone living alone who is 65 years of age or older. ...