Board Thread:General Discussion/@comment-4775130-20150922222850/@comment-25926288-20150923141518

CadoDoan wrote: Can someone tell me what these 18-49 viewers and those numbers you wrote are? I see it almost in every series, but I don't understand That is the age demographic that they aim for. and the ratings is the measurement that they use.

If you don't understand, https://en.wikipedia.org/wiki/Nielsen_ratings