This is how much you need to invest to retire with $1,000,000 Based on your age below and assuming you retire at 65, which is the average age. - Age 20: $126 per month - Age 25: $202 per month - Age 30: $325 per month - Age 35: $533 per month - Age 40: $889 per month - Age 45: $1,469 per month - Age 50: $2,533 per month - Age 55: $4,882 per month - Age 60: $13,146 per month The sooner you start investing… The easier it is to become a Millionaire.