Happiness is one of the main goals to be achieved by society as an individual. The Happiness Index is an investigation into the relationships between happiness, development, public welfare, and public policy. Malang City currently has a population that continues to increase every year. The need for space, infrastructure, and housing is one of the issues found in Malang City. One of them occurred in Sukun District, where through Malang Mayor's Decree Number 86 the Year 2015, Sukun District became the highest district which had the largest slum area in Malang City. The allocation between geographic sub-districts shows the pattern of infrastructure services. This study aimed to know the comparison of the happiness index between the subdistricts in Sukun District, which have been stipulated as the sub-districts with a slum area, and the sub-districts in Sukun District which are not stipulated in the Malang Mayor's Decree Number 86 of 2015. The analytical method that was used is descriptive quantitative. This study shows that the index of happiness in the subdistricts of the Sukun District, which is not stipulated in the Malang Mayor's Decree No. 86 Year 2015, had a higher index of happiness than the sub-districts stipulated in the decree.

Keywords : Happiness Index, Infrastructure, Settlement.