We do know. Tesla wins, obviously in the US, and apparently also in Europe:
https://i.imgur.com/ZNv1AyD.jpg
Could it change? Maybe. But right now Tesla is the most popular EV in the US and Europe.
https://i.imgur.com/ZNv1AyD.jpg
Could it change? Maybe. But right now Tesla is the most popular EV in the US and Europe.
I’m fairly sure that if you take Volkswagen AG as one vendor (which you probably should, because it is one), they outsell Tesla (they have about six brands producing electric cars, mostly rebrands of the VW id.3/4.)