What is the average 401(k) balance held by people of various ages?

The mean 401(k) balance for Americans younger than 25 is $4,141, while for those 65 and older it is $208,158, as of 2015, shows The Motley Fool. The mean balance across all 401(k) accounts is $102,682. For retirees, $100,000 in savings yields about $4,100 per year in income.

Average 401(k) balances grow as workers age, shows The Motley Fool. Americans between 25 and 34 have mean 401(k) balances of $24,378, those between 35 and 44 have $65,767, those 45 to 54 have $124,287 and workers between 55 and 64 have $186,404. However, the mean exceeds the median in all age groups which indicates that high-income earners skew the mean balances up.