I personally haven't checked all the international parks so I'm not sure if they all do (and they may but I'm not going to check them) but I think it's important to note that typically when this is the case it's not related to a theme park specifically. It's spreads out usually through many parts of their society and cultures.
But to give an example because we're going to Tokyo
Disneyland later this year I looked at their website and it says for guests who have difficulty standing in line
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It's not just documentation required there it's that the country has to have issued a special certificate for Japanese residents. And you could reasonably assume that the certificate is something they are well used to showing and needing for a wide array of situations they may encounter. And pertaining to your comment you'd need to provide (since we're international guests) something that is equivalent is required. I'm sure someone on the Tokyo Disneyland subforum here has in real life experience just what that equivalent is (at least some examples) but it was just to show it's often much more than theme parks.