B-

B negative

ABO group B · Rh negative
Written by the VitaWhat editorial team · Medically reviewed by Steve Davis · Last reviewed 19 July 2026 · Editorial policy

Carries the B antigen but is Rh (D) negative — one of the rarer types.

2%
UK population
2%
World population
B+, B−, AB+, AB−
Can donate red cells to
B−, O−
Can receive from

Key facts

  • One of the rarer blood types in the UK
  • Rh-negative and in steady demand

Sources & references

  1. NHS Blood and Transplant — Blood types
  2. American Red Cross — Blood types

Related entries

B positiveA negativeA positiveAB negativeAB positiveO negative
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