O positive: O-positive is the most common blood type

O-positive is the most common blood type in Canada, with 39% of the population having it. Learn how it is determined by your parents' ABO blood group and the Rh factor, and who can receive or donate it. What Does O Positive Blood Type Mean? Having O positive (O+) blood type means you have red blood cells that lack both A and B antigens on their surface (making you blood group O in the ABO system) and possess the RhD antigen (making you Rh positive). 1 ABO Blood Group Component Your red blood cells do not express A or B antigens, which defines you as blood group O. 1 This is the most common blood type in many populations and occurs when you inherit O alleles that do not encode functional ... O Positive Blood Type (O+) 1. Most Common Blood Type The O positive blood type is the most common and incredibly an important donor in maintaining adequate blood supply. It is present in 1 out of 3 individuals. This means approximately 37.4% of the population has O positive blood. However, not all of the ethnic groups share the same proportions of blood types. O positive blood type is about 37% in Caucasians, 47% in African American, 53% in Hispanic, and 39% in Asian. Science-backed products for women’s health, from PMS through menopause—hormone balance, vaginal health, gut support & more. Shop trusted women’s vitamins.