How Many Sole Proprietorships are there in the U.S.

sole proprietors, s corps and c corps growth chart 
Today, there over 23 million sole proprietorships, 1.7 million traditional C corporations and 7.4 million partnerships and S corporations.  Over 70 percent of businesses in the United States are sole proprietorships. A sole proprietorship is a type of business that is owned and run by a single person, though it may have multiple employees.