I think the Contributor Summary macro (http://confluence.atlassian.com/display/DOC/Contributors+Summary+Macro) will do what you want:
The above should show a list of all users with the number of comments that they have made and will include users who have not made any comments at all.
If you have a look at the documentation you can tweak the macro paramters to also include the pages/blogpost on which the comments were made, restrict to pages only, etc.
Hope that helps?
Hi team, I’m Avinoam, a product manager on Confluence Cloud, and today I’m really excited to let the Community know that all customers can now try out the new editing experience and see some of the ...
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