Generally, not snoring on a regular basis is the default.

There’s a ton of things that lead to snoring, and if you factor in temporary side effects of illnesses, it would be unusual for anyone to never snore their entire life. But, depending on exactly how you want to phrase things, I don’t think snoring could be called the norm for the average person on a typical night. Obviously, those are imprecise terms, but it conveys the general situation, I think

There’s numbers out there if you go looking, but I don’t reckon you care about those if you’re asking here.