Here are some pros/cons
Arguments in favor of squat toilets:
It is less expensive and easier to clean and maintain.
It does not involve any contact between the buttocks and a potentially unsanitary surface.
The lack of water in the bowl avoids the problem of splashing.
Squatting might help to build the required pressure more comfortably and quickly.
Squatting makes elimination faster, easier and more complete.
Elimination in squatting posture protects the nerves that control the prostate, bladder and uterus from becoming stretched and damaged.
Squatting relaxes the puborectalis muscle which normally chokes the rectum in order to maintain continence.
Squatting securely seals the ileocecal valve, between the colon and the small intestine. In the conventional sitting position, this valve is unsupported and often leaks during evacuation.
For pregnant women, squatting avoids pressure on the uterus when using the toilet. Daily squatting helps prepare the mother-to-be for a more natural delivery.
Squatting may reduce the occurrence or severity of hemorrhoids and possibly other colorectal disorders such as diverticulosis and appendicitis.
Arguments against squat toilets:
A common argument against the squat toilet is that if toilet paper is used where there is no flushing system installed, it is easy for the inexperienced user to clog the toilet. Those unfamiliar with the squat toilet should be sure to ask the location of the flushing bucket before attempting use. These buckets flush the toilets manually like a tank would.
Squat toilets are more difficult to use for those with limited mobility.
People experiencing diarrhea can spray fecal matter over the floor and onto the back of the ankles and/or clothing.