It’s not uncommon for retirement savings accounts to get lost or forgotten. In fact, 31.9 million 401(k)s were reportedly left behind or forgotten entirely as of July 2025, and these accounts have an average balance of $66,691. Must Read Many of these forgotten accounts were likely left behind when the owners switched jobs, but 401(k)s aren’t the only type of retirement savings account that can get lost or forgotten. Let’s say, for example, that you just discovered your deceased father’s Individual Ret ...