In a time of unprecedented growth with respect to startups by millennials, there are a multitude of government responses that allow such growth to take place in our current economy. This study aims to gain an in-depth understanding of pro-investment and pro-growth economic policies established by the US government from 2015-2019. The focus will then be directed to which of these has the largest influence on the current rise in millennial startup entrepreneurship. The methodology for this study is a mixed-method and correlational study which utilizes surveys of millennial startup entrepreneurs, national data sets of current business, and economic regulations and growth. Through this research, the perspective of millennials on policies and the growth of new businesses can be examined from the influence of economic pro-growth policies in the U.S.