Those same workers have seen their wages grow faster than the overall average in the last year thanks to the labor shortage.
That may be a sign that the overheated job market is cooling down.
Workers' incomes may see further gains as the ongoing labor shortage pushes employers to offer higher pay.
The median U.S. household has just a couple of weeks worth of savings to tap into in a crisis.
The Labor Department's October jobs report is expected to show a sharp slowing in job creation in a still-tight labor market.