The purpose of this study is to prove empirically about the effects of fiscal decentralization,capitalexpenditure, and private investment on the human development index. This researchwas conducted in all regencies / cities in Bali Province. The population used was all of thedata on Region Budget Realization Report and Human Development Index in all regencies/ cities in Bali Province in 2011-2016. The sampling method used was saturation.Theresearch data was processed using multiple linear regression analysis technique. Theresults of this study proves empirically that fiscal decentralization and private investmenthad a significant positive effect on Human Development Index. Capital expenditure did nothave an effect on Human Development Index.Keywords: Fiscal decentralization, capital expenditure, private investment, human development inde