Target Audience for our film

Our film is going to be a psychological thriller, therefore I think that the target audience is going to be older, because the film will require more thinking than action movie for example. I think that the audience would be over 16, because younger people may not find it that interesting. There is no age boundary, because I think that even some 40 year olds would like our movie. I found a pie chart which show statistics for psychological thrillers: