Composite Index Development for Reforming Urban Livability Through the Subjective Quality of Life Indicators Approach in Salatiga City, Indonesia

This study aims to quantify the composite index derived from residents' subjective perceptions of satisfaction and to identify the most influential indicators shaping the quality of life and livability in Salatiga City.Employing multivariate analysis, specifically, factor analysis, the research constructs the composite index and determines key contributing factors across four dimensions: physical well-being, mental well-being, economic well-being, and social wellbeing.These dimensions collectively inform the overall Quality of Life Index in Salatiga.The findings reveal that the Economic Well-being dimension is the most significant contributor to urban livability, explaining 55.64% of the variance, while the Mental Well-being dimension contributes the least, at 46.37%.Overall, the perceived quality of life related to livability is classified as moderate, with a community satisfaction index of 50.82%.These results highlight the urgent need for a more responsive and integrative strategy to strengthen mental well-being, thereby fostering a more balanced and holistic enhancement of overall quality of life.