In order to dig around as I have done (finding part-time student jobs, for example, stats on which are not always readily available), you need to use the national statistical agencies and ministry stats (education for example), as well as discussion in articles, reports, surveys, etc. I can only do that with any degree of efficiency in English and French. So the project would have to become collective..?
As to whether some killer algorithm could take all the complexities into account and come up with perfectly comparable measures... Well, aren't economists always trying to do this kind of thing and failing? When locusts move on, they leave nothing behind
Norwegian government statistics are available in English...guess the same goes for the other Nordic countries.
... and I'd guess that even among high income countries, primary resource exporters seem likely to have a distinctive set of employment challenges and opportunities. They certainly do among low-income nations. Utsukushikereba sore de ii
