Whats the rarest blood type? AB negative is the rarest of the eight main blood types - just 1% of our donors have it. Despite being rare, demand for AB negative blood is low and we dont struggle to find donors with AB negative blood.

Is O positive blood rare?

38% of the population has O positive blood, making it the most common blood type. Those with O positive blood can only receive transfusions from O positive or O negative blood types. Type O positive blood is one of the first to run out during a shortage due to its high demand.

What is the purest blood type?

Type Os Type Os are the purest, especially O negatives, the universal donors. They have the purest blood, or what Europeans used to call “royal blood”. Because of their purity, they are the most environmentally intolerant and sensitive.