The purpose of this paper is to study the relationship between Malaysia economic growth and its determinant, namely, government expenditure, investment, and net exports. The data has been collected from Data World Bank from year 1989 to 2019. Linear regression analysis is used to analyse the data. Malaysia economics growth has shown a steady upward trend year by year. Government spending is also increasing year by year. However, investment trend and net export has shown inconsistent pattern from year 1989 to 2019. Due to this pattern, it is important to study the factors that lead to economic growth. As a result of this research, government spending and net export has significant relationship to Malaysia economic growth, while investment is said to be no significant relationship to economic growth.