Can't recall but some one and I believe it was on a UK forum actually made a post of all countries in the world and the detecting laws...wish I could find it for you!
There has been several such attempts to make compendiums like that. And in a lot of cases, the information is questionable.
For example, I once had a detector listed on ebay. And ... surprisingly ... the winning bidder was someone from Europe. I had failed to limit the bids to continental USA. But the fellow paid full shipping around the world, so I honored the sale.
HOWEVER, my curiosity got the better of me. Because you see: His country was one of the ones , on those nifty compendiums, that had .... uh ...
"dire language" . If not seemingly outright forbidden. So.... I linked the fellow to that link, and asked "how can you guys detect, given such dire info. as this ?"
He said that if you look closely at the language of the law(s), you will notice that they apply to public land. Therefore you can hunt private land (farmer's fields, just like they do in England) to your heart's content.
But if a person were simply only casually looking at the nifty compendium, it might *sound* like the dire language applies "border to border". So these guys were finding no shortage of places to hunt. And ... he told me .... that .... uh ... quite frankly .... they were so far back in the woods when they hunt, that there's not anyone around to care anyhow.
This made me wonder then just how accurate the rest of the list & countries would be.