Summarizing the information, a relatively small proportion of Americans have retirement savings of $1 million or more. To answer the question, only a small percentage of Americans have accumulated $1 million or more in their retirement accounts. This statistic highlights the challenges many face in saving adequately for retirement. In summary, the number of Americans with retirement savings reaching $1 million is quite limited. This reflects the broader difficulties individuals encounter in securing sufficient funds for their post-working years.