Small Businesses Comprise What Share Of The U.s. Economy?

Small businesses make up:-

99.7 percent of U.S. employer firms,
63 percent of net new private-sector jobs,
48.5 percent of private-sector employment,
42 percent of private-sector payroll,
46 percent of private-sector output,
37 percent of high-tech employment,
98 percent of firms exporting goods, and
33 percent of exporting value.