In London there are plenty of women on Tinder - at least, there were 2 years ago. As a 36yr old, not particularly attractive male, I went on many dates with similarly aged ladies (30-40yr). Maybe I was Tindering wrong, but these were actual dates, we'd meet for a drink and talk, maybe get some food, maybe not, maybe some hanky panky. Can't speak for now because I met my GF on Tinder ~2 years ago, haven't used it since...