401(k) account is provided through your employer and uses pre-tax money to help you save up for those years when you won’t be working.
Most employees are automatically enrolled in an account by their employer and they can choose how much of each paycheck they want contributed to the account.
Information from Vanguard’s 2021 How America Saves Survey to take peek at how much money average American in their 40s has saved up in 401(k) account.