That might on how the source you read counted "entrepreneurs".
In Poland, where I live, probably every other adult is an "entrepreneur" these days - people start one-man companies because employers all across the board are pushing people away from normal job contracts towards fake, on-paper B2B relationships. If you visit a grocery store in Poland, then while regular clerks are most likely normal employees, there's a good chance that the shift manager is an "entrepreneur".
The problem is people typically say "entrepreneur" when they mean "VC-backed vaporware tech startup with no business plan". And as far as I'm aware, it's true that Europe doesn't have as many of those as the US.
In Poland, where I live, probably every other adult is an "entrepreneur" these days - people start one-man companies because employers all across the board are pushing people away from normal job contracts towards fake, on-paper B2B relationships. If you visit a grocery store in Poland, then while regular clerks are most likely normal employees, there's a good chance that the shift manager is an "entrepreneur".