US worker confidence in the labor market has fallen to 28% as hiring rates slump to their lowest level since 2013.Labor Department data shows that 7.4 million people are currently unemployed compared to just 6.9 million job openings.College graduates and employees under 34 report the highest pessimism due to weak hiring in white-collar sectors.Wage growth has slowed to 3.5% while overall life satisfaction among workers reaches its lowest point since 2009.