According to Franklin Templeton Investments' survey of investors, 60% of Millennial women would delay retirement if they were unable to retire as planned due to insufficient funds. On average, working Americans expect to retire at age 66, reports U.S. News, but the actual average retirement age has hovered around 60 for the past decade or so. So why are young adults expecting to retire so late, and willing to relay that retirement even more, if there's something Millennials can do about it now? Here are four reasons why it's important for Millennial women to begin investing early.