“…The methodology of static decomposition of the Gini coefficient, presented in this work, is based on Pyatt et al (1980), being also the basis of works following this, such as Ercelawn et al (1984), Mariano and Lima (1998); Neder (2001); Ferreira (2003); Hoffmann (2002Hoffmann ( , 2010. In this work, the income will be divided into eleven portions, which are: Income from work, which consists of the gross payments obtained from all activities of people aged 10 and over, is divided into four types, according to the nature of the person's main job, corresponding to portions 1, 2, 3 and 4.…”