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.

What is the rarest blood type in Canada?

A-negative blood is one of the rarer blood types — only 6% of Canadians share this blood type. A-negative blood type contains red blood cells that can be used to save patients with A-negative, A-positive, AB-negative and AB-positive blood types — almost half of all Canadians.

Which is the purest blood?

Answer: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.