Keeping up with the Jones’s is not something anyone should strive for – but in the case of saving for retirement, knowing how you compare could help you develop an awareness of the need for saving for retirement. Every situation is different due to guaranteed sources of retirement income; current and future bills; lifestyle; helping others; location of residence; expected longevity, etc. A qualified financial planner can help you determine how much you need to retire.
Here’s the latest from Investopedia on the subject.