I don't think that there's such a list. And the situation certainly varies by region, aircraft type and, last but not least, by whether the individual is keen to go for a job just about anywhere in the world instead of waiting for a local opportunity. Some places will pick up quicker than others. Some type ratings will be in greater demand than others. Some people will be willing to relocate pretty much anywhere in the world - unlike others. And then, there's the big unknown of how the situation with the virus will evolve both regionally and globally.