In this project we will talk about the evolution of the municipal fiscal performance index in the municipality of Santa Marta between the years of 2018 and 2020 where its main components is to determine its level of efficiency and effectiveness in this period of time, focusing on the problem of the city's fiscal performance index. This in order to know how good work is being done in this area in the municipality of Santa Marta. The main objective of this project is to describe in detail if in the years 2018, 2019 and 2020 in the municipality there was an evolution regarding its fiscal performance index. Therefore, to carry out this project, a described research method was necessary, which is based on an analysis of theoretical and methodological aspects to provide greater certainty in the results obtained. Regarding these results, we must be guided by the indicators that statistically give us a result on the problem raised. the index is a measure of the performance of the financial management of the territorial entities and the financial dimension where it is linked to that of fiscal results, Financially, Santa Marta is not in good condition. These results and analyzes show that the municipality of Santa Marta is not in good condition with respect to its evolution of the fiscal performance index between those years.