Based on this AICPA survey conducted by Harris Poll, you’re not alone if you’re worried about retirement:

5% - Portion of non-retired Americans who already have achieved their retirement savings goals.

49%- Portion of non-retired U.S. adults who are not sure they will be financially prepared to retire when the time comes. 

71%- Portion of those anxious about their retirement who said they are worried about health care costs. 

92%- Portion of non-retired Americans who expect to make at least one financial sacrifice in retirement.   

Source:  Journal of Accountancy