Recently released U.S. Census Bureau data indicates the share of employment in companies of different ages. The figure below shows that, in 2009, only two percent (2%) of Americans working in private sector businesses were employed in companies started that year. Even young companies, those aged one-to-ten, only employed another 19.5 percent of private sector workers.
So where do most people in the private sector work? The answer is mature companies. The Census Bureau’s data reveal that 55.8 percent of those working in the private sector are employed in companies 26 years or older. Another 8.4 percent have jobs in companies aged 21 to 25. And 6.6 percent work in businesses between 16 and 20 years old.