A recent study by Morningstar Investment Research suggests that many Americans may be targeting a number that is too high when planning for retirement. That’s because some of the common assumptions that retirement calculators use don’t necessarily match the reality of retirement. For example, when calculating how much money someone needs to retire, financial planners or retirement calculators use 30 years as the “length of retirement”. But for more Americans, unfortunately, retirement is not that long. For more information, read the full article here.