This paper aims to present general aspects of the electoral coalitions of re-elected mayors in the 2016 evaluations. The data referring to party migration, size of the coalition and size of the city was observed in order to identify how the re-elected behaved in relation to their members. allies. The data were extracted from the TSE website and treated with quantitative research techniques. The results demonstrate that there was a greater adherence of candidates to the practice of coalitions to guarantee their permanence in the game, in addition to an increase in the size of the coalition of these reelected mayors.