It depends on who gets counted. Three Per Cent: "During the American Revolution, the active forces in the field against the King's tyranny never amounted to more than 3% of the colonists. They were in turn actively supported by perhaps 10% of the population. In addition to these revolutionaries were perhaps another 20% who favored their cause but did little or nothing to support it."
History says otherwise:
The British themselves testified to the fact:
1777 Sept. “24th Weather delightful. 4 or 5 shot exchanged between our [British] forging parties
and the rebels about 9 this morning. Early this morning our pickets in the rear fired at some straggling rebels.
This township of Norrington is very rebellious.
All the manufactures about this country
seem to consist of Powder, Ball, Shot, firearms and swords.
The army halted this day.”
1777 Nov. “6th ...Quarter Master General received orders to
fix our Quarters near this city, intended for 10,000 men.
Gun powder found lodged in Chimneys of this city by the rebels.” [Philadelphia]
p.474
“The Montresor Journals”, Volume 14 By John Montrésor, James Gabriel Montrésor, edit Scull.