O positive blood type

Your blood type is determined by genes inherited from your parents. Whether your blood type is rare, common or somewhere in between, your donations are vital in helping save and improve lives.

How common is O positive blood?

1 in 3 donors is O positive

O positive is the most common blood type as around 35% of our blood donors have it.

The second most common blood type is A positive (30%), while AB negative (1%) is the rarest.

Young woman holds O positive sign

Who can receive O positive blood?

Anyone with an Rh positive blood type

Anyone with an Rh positive blood type can receive O positive red blood cells – so that’s A positive, B positive and AB positive as well as O positive.

That means 3 in 4 people, or around 76% of the population, can benefit from your donation.

Find out how the RH system works.

Diagram showing which blood groups O positive donors can donate to

What blood can O positive people receive?

Blood from O positive and O negative donors

People with O positive blood can receive donations from:

  • O positive blood donors
  • O negative blood donors

Why is O positive blood important?

It’s always in demand

O positive is the blood type most commonly requested by hospitals so we need to make sure there is a steady supply.