I have never seen such a crazy choice of toilets: supermantoilets or 3rd world holes. Nothing in between. On one hand, Japanese toilets are the most extreme technologically advanced gadgets I've ever seen replete with heated seats that lift as you enter the bathroom, light up the outline of the toilet at night, have a bidet, water spray, flushing/nature sound choice, self-cleaning and has other adjustments for other things that the toilet does that I haven't found out yet. I wouldn't be surprised if the toilet can lift you up, escort you back to your bed and serve you breakfast.
On the other hand, other toilets are holes in the ground that I try to avoid at all costs. In public bathrooms, I've found, through extensive exploration, that if I use the handicap bathroom, there is sure to be a Western-style toilet. Phew, accident avoided!