Key Takeaways A growing percentage of Americans believe they'll need at least $1 million to retire comfortably, according to a new survey from Betterment, a robo-advisor and fintech company. In 2025, nearly half (48$1 million to retire, up from 37% the year prior. Yet for many Americans, achieving that milestone may be challenging. Only about half (54.3%) of households actually had retirement account assets, while just 4.6% of households had assets worth more ...