-1 in 4 turn dwn the proposal, though 23% regret it (go figure).
-37% have been proposed to twice before.
-12% have been proposed to 3x before

The main reason for rejecting: didn’t feel the partner was the right one. The relationship just not feeling right. Not wanting to get married in general. Had not been together long enough.

reference (probably a junk survey but fun anyways):