They have chapters in Vancouver, Calgary, Montreal, Ottawa, and Toronto, and are continuing to expand their network.
The large overlap has led many observers to claim CAPP is left-wing, despite the Board of Directors denying such a label.
They maintain they are nonpartisan, although left-wing members often dominate the message boards with anti-conservative blogs.
Left-wing members attended and supported the protests, including Ottawa Chapter leader and former Green Party of Canada candidate Alex Hill.
CAPP has also been involved in calls for the need to reform Question Period and overall decorum in the Canadian House of Commons.