Currently, public sub counts are abbreviated in most but not all places across YouTube. In August, we’ll make this more consistent by always showing abbreviated sub counts publicly. Creators: You’ll still see your full sub count in Studio! Learn more → http://yt.be/help/abbrev-count …pic.twitter.com/pmaKk4EU4k
Thanks so much for this change! Big numbers are too overwhelming for me. I have a panic attack whenever I see a number 5 digits or more, so I had to stop using YouTube. I can finally return :). BEST CHANGE EVER!