The above summary really is as accurate as it can get without getting into each country one at a time. The "don't ask don't tell" rule
should be SOP everyplace but you really should know the game
before you get there. Don't bring a dog ashore any place without planning it all out.
Noonosite.com should be able to help some but each country has it's own laws and there is no such thing as once size fits all. You can't just do some process one time and be OK. Keeping your dog up to date with shots is just a good idea and haviing records will help if you get cornered.
For the most part every place in the world has dogs
and people that love them. It's not the people that are the problem but it is the officials and the laws of the land. Some officials are diligent about doing their job.
The difference between French vs English is quite accurate globally for a rule
of thumb. The US is more like the English except Hawaii
. You don't want to bring a dog to Hawaii
. What you have to do before you get there should scare you off. They are fanatics for preventing Rabies. It's worked so far.