The 2016 NADA dealership workforce study indicates continued growth in the U.S. retail-auto industry, with average weekly earnings rising to $1,341 and high turnover rates at 39%. Millennials represent a significant portion of the workforce, comprising 42% of employees and 60% of new hires. The study highlights trends in compensation and retention, noting a higher female representation among new hires and a slight increase in turnover rates.