I believe North Korea has as many subs as we do.
Quite a difference in quality and capabilities though, don't you think ?
More, but so what? Extra targets for the attack subs.
You may well be right... Here's a single cove on an island just off the peninsula on the northeastern Nork coast where they launch some of their missiles:

I count at least six (6) Type 33 "Romeos" docked -- and one putting out to sea -- plus several of their "midget" submarines. And that doesn't count the underground sub pens or the nearby cove with the drydock where there's usually one or more subs getting their anechoic coatings refurbished...
Oh -- and, docked over on the adjacent mainland shore, the last time I looked, their new, modern, "Sinpo" development model was being provisioned for its sea trials...