Some of this can be explained by employer sponsored healthcare and other benefits for employees. Also, employees can capture this divergence by investing wages in index funds like the S&P 500. The divergence, which began in the early 80s, also tracks the start of the huge bull market. Profits that would go to employees are instead reflected in rapidly appreciating share prices and dividends. A lot more people today have IRAs compared to 40 years ago, representing significant wealth .