The bottom gap is called "toe clearance". A huge gap is not absolutely necessary, but if there is no big gap, the toilet stall has to be wider. Take a wheelcheer and roll into a restroom.
To turn around, your footrest has to be able to move. With a gap, your toes can pass under the gap. Science Why Can't We Have Decent Toilet Stalls? They don't go to the floor or the ceiling.
No Gap Bathroom Stalls in America : r/mildlyinteresting
And what's with the gaps on either side of the door? Given that a public bathroom trip is already fraught with tension, why do these stalls compound the issue by leaving a huge gap underneath the door? This article explores the cultural and practical reasons why American bathroom stalls have gaps and how it differs from other countries. It delves into the historical and social norms that contribute to this design choice and its impact on privacy in public restrooms. With bathroom partitions that have gaps in the base, though, this glitch can be dismissed by passing the toilet paper through the bathroom partition gap.
To add to these rationales, bathroom partitions with gaps at the base allow for easier maneuvering within the bathroom stall for patrons in wheelchairs. The gaps allow people to check if stalls are occupied and make it easier to aid someone in an emergency. They can also help monitor for inappropriate behavior.
This bathroom stall with actual walls and no gap. : r/oddlysatisfying
For accessibility, the gaps give wheelchair users space to maneuver into stalls. Although these are valid concerns, many other countries balance privacy and accessibility without large gaps. And checking the gap also eliminates the possibility of embarrassing any toilet user who's forgotten to lock the door.
So this is a decent explanation - 7/10. 4. Hurrying Things Along This is similar to the spotting-vacant-stalls idea, in that it's another explanation that connects visibility with bathroom efficiency.
This bathroom (in the US) doesn't have a gap in the stall door! : r ...
Many people wonder why do bathroom stalls not go to the floor. Read our blog today to find out why bathroom stall gaps exist. The large gap in American bathroom stalls makes it easier to see what's going on in there, so anyone who tries these things can be easily spotted by the public or a security guard and easily arrested by law enforcement.
You don't want to walk into a public bathroom and find that it's being used as a place for people to have sex and do drugs. This article explains why there are floor and ceiling gaps in commercial bathroom stalls, including the influence of some ADA compliance issues.