My diaper is usually wet to some degree, but with 5000 ml diapers that safely lock away wetness I average between 3 and closer to 4 a day. I'm not on a set changing schedule, rather change when it's (close to) full or needed for other reasons. There's always exceptions to my usage, messy diapers get changed sooner and aren't always happen on a predictable schedule, and diaper changes for convenience, scheduling or practicality happen too. For example, going out to run errands or socialize might involve getting into a fresh diaper to avoid a leak or needing a change while out. Working out requires a thinner diaper. Showering means a diaper change. Sex usually ends up with a fresh diaper afterwords. When I know I'll only be in a diaper for a few hours before getting changed, I'll put on a less absorbent diaper to be less wasteful and more economical.