In Brazil, voting is mandatory for most of the adult population. Even so, between 2014 and 2024, the abstention rate showed a growth trend, reaching 29.26% in the second round of the 2024 elections, according to data from the Superior Electoral Court (TSE). To better understand these factors, we conducted a statistical analysis using data from the Superior Electoral Court (TSE), complemented by data from the Brazilian Institute of Geography and Statistics (IBGE), which included a linear regression to identify the most influential variables affecting voter turnout rates.