Im not really sure on how many public work project suggestions i can get per day so can somebody tell me? I heard some say players can only get one suggestions per day but if I remember correctly, i actually got two suggestions one the same day.
I'm pretty sure it's just one unless maybe you're thinking the museum upgrade/cafe/club on the same day a villager suggests? Anyway, I'm pretty sure only one villager per day.
I generally only get one if any at all because different suggestions are made by different villagers so sometimes you have to wait for new villagers to move in.