<prompt> Human: I have no company 401k or retirement Account to contribute to through work. If I contribute the maximum for an IRARoth IRA for my entire career Ive maxed out contributions to vanguard sp500 fund every year so far will I have enough saved for retirement when I am 65?edit: All you people keep asking what my age is how much ive saved up so far which is irrelevant to the question. The crux of the question: CAN someone save up for retirement exclusively through an IRARothIRA if they max out their contributions for their entire career.  <response>: Assumptions: Using 0 starting portfolio 7525 stockbond split 5500 IRA contribution increasing with inflation each year No Social Security Results in todays dollars25 years of saving, 30 year retirement: Average portfolio at Retirement of 259k. 4 10,360yr income.30 years of saving, 30 year retirement: Average portfolio at Retirement of 364. 4 14,560yr income.35 years of saving, 30 year retirement: Average portfolio at Retirement of 498k. 4 19,920yr income.Add in some social security, and you will probably be decently comfortable. 