Numbers are down in all contact sports that are mentally and physically challenging (football and wrestling). There are many things one could blame for this happening. IMO...it is society, and the trend of becoming softer. Soft and easy sports to participate in will actually grow in the future. I will leave you with this link to a video. Good video of how and why the millennials are a generation of weakness.
https://www.youtube.com/watch?v=QXWNChoIluoCraig Amrein
