>  so if category_id 2 name is 'politics' it would know that it occurs 3
> times. make sense?  The easy way would be to create a counter field in
> the categories table and count each time that the category is being
> used but that is redundant and require extra work to save the category
> count each time I add a new entry.  The answer is already there I just
> need to figure out how to retrieve that answer. :)

You didn't include your full model, but have you tried something like
this?

Blog.objects.filter(categories__name='politics').distinct().count()

This assumes that Blog.categories is your M2M field.



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