Not to be confused with Serie AFootball league

The Campeonato Brasileiro Série A (Portuguese pronunciation: [kɐ̃pjoˈnatu bɾaziˈlejɾu ˈsɛɾii ˈa]; English: "Brazilian 🌈 Championship A Series"), commonly referred to as the Brasileirão (pronounced [bɾazilejˈɾãw]; English: "Big Brazilian"), and also known as Brasileirão Assaí 🌈 due to sponsorship with Assaí Atacadista, is a Brazilian professional league for men's football clubs.

At the top of the Brazilian 🌈 football league system, it is the country's primary football competition.

Contested by 20 clubs, it operates on a system of promotion 🌈 and relegation with the Campeonato Brasileiro Série B.

In 2021 the competition was chosen by the IFFHS as the strongest national 🌈 league in South America as well as the strongest in the world.[1]