Fidelity Investments’ Q4 2025 Retirement Analysis shows that average 401(k) and 403(b) account balances grew by more than 11% and 13% year-over-year respectively, marking the third consecutive year of double-digit gains. IRA balances also rose 7%, with contributions hitting a record 23% year-over-year increase. The analysis drew on data from 53 million retirement accounts and 26.2 million 401(k) plan participants.
A notable milestone emerged for female savers: women who maintained 15-year continuous 401(k) participation averaged $508,700 in balances, up from $453,500 the prior year, with women’s balances growing 22% over five years compared to 20% overall. Sharon Brovelli, President of Workplace Investing, said “retirement savers remain committed to their financial futures,” while Gen Z participants showed strong engagement, with over 13% increasing their contribution rates in Q4 2025. Fidelity reported $18.0 trillion in assets under administration as of December 31, 2025.