While this rule will only apply to the States, hopefully it will effect other countries as they follow suit, or that it is just easier for plane manufacturers to make single-aisle aircraft with accessible toilets for all their customers instead of having some with and some without…

https://thepointsguy.com/news/proposed-rule-improve-accessibility-airplane-bathrooms/

thepointsguy.com

Proposed rule would improve accessibility of airplane bathrooms - The Points Guy

The Biden administration announced a plan to implement rules that would require airlines to make restrooms more accessible to all passengers.