Stratum occupied by everyday citizens (5,5,5)
I believe the answer is:
grass roots level
(Another definition for grass roots level that I've seen is " where popular opinion is formed".)
I've seen this clue in the Sydney Morning Herald.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.