Originally Posted by erwinl
The problem with that is that, as a car approaches the roundabout, the driver has to give way to bicycles that are coming from behind and to the left
, compared to cars that are nearer to square on the left, and it's not as easy to see them. I believe the statistics for cyclist collisions on roundabouts are actually rather worse than for other types of junction, and this is thought to be the reason.
Assuming we're talking about the overwhelming majority of the world population who drive on the wrong side of the road.