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How common is Rh O- blood group?
I just found out that my blood group is Rh O- and I was just wondering how common or rare is it?
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- 1 decade agoFavorite Answer
It varies between countries, and the rate is anywhere between 0.3% of the population (Hong Kong) to 9% of the population (Spain, New-Zealand, Brazil, Australia).
In the UK- 7% of the population or O-
In the US it's 6.6%.
Hope this helps.....
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