The UK has had sitcoms on the radio since the 50s and TV since the 60s, when there weren't many channels. I think it's more down to what the controllers of the

The UK has had sitcoms on the radio since the 50s and TV since the 60s, when there weren't many channels. I think it's more down to what the controllers of the channels want to put on it. Sitcoms can be extremely popular - Only Fools and Horses was watched by around 40% of the UK population at its peak.