This really is an excellent guide to the discussion of RAW versus JPG.
When I first discovered the power of RAW files I was enamored with the capability to get the most out of each photo in post processing. Even today I shoot almost exclusively RAW. However there are times when I still will shoot JPG.
a) I shoot RAW+JPG when I use my Canon M3, as I can quickly and wireless upload the JPG version to the internet (Facebook etc) without additional conversion.
b) For certain subject matters I’ve found that I will do minimal post processing and need speed and small file sizes. Most of the camera photos on this website were taken originally in RAW since I had controlled lighting etc, and did not want to fill my hard drive unnecessarily with large RAW files.
That said, I still shoot RAW when taking photos of my kids. Unlike the author, I also shoot RAW when I’m taking sports/action/birding photos and haven’t had too much of a problem. That said, I use a Canon 1Dmk3 in those conditions and it has an insane shooting rate and decent buffer.
Source: RAW vs. JPEG: An Ultimate Guide