In the USA there are:
5,000,000 total businesses *
4,995,000 privately held **
4,715,000 small businesses***
4,450,000 business employ fewer than ten people
Of the 180,000,000 people employed…
90,000,000 are employed by the 4,995,000 privately held businesses.
These numbers are rounded for simplicity.
* Note, this excludes solo businesses with one employee
** I have included the approximately 10,000 thinly, or not traded OTC stocks.
*** This includes businesses with more than 10 but less than 100 employees.