Reply To: There are 8 different blood types in the world. Which one are you? Activity › Forums › General Discussion › There are 8 different blood types in the world. Which one are you? › Reply To: There are 8 different blood types in the world. Which one are you? July 28, 2014 at 6:49 pm #6729 Kimberly BrownParticipant Yes it is a common blood type but I think O+ is the most common type.
