What's the right age to let your kids start dating?

I think rather than setting the right age, parents should be more open-minded and prepare the kids to start dating plus accept the fact that your kid wants to start dating even though you think they are too young. When I was in secondary school, my classmate's parents told her that she can only start dating at 21. In the end she already had 7 boyfriends when she was 16 and her parents did not even know. My parents never restricted me and I only started dating when I was mature enough