The Rh Negative Blog

What is the real frequency of Rh negatives worldwide?

Without getting into deeper detail, the map already hints at a strong possibility of Rh negative frequencies decreasing on a global scale.

Blood Type Frequencies by Country including the Rh Factor was the first and remains the best list of blood type frequencies out there.

It takes into account both, ABO types and Rh factor.

In order to focus only on Rh factor, I have now started a thread here:

What is the real frequency of rh negatives worldwide?


I am still held back by missing data, but most of the larger countries I have data on, so at this point, more than 6 Billion people of the world population are accounted for.

The frequency of Rh negatives worldwide based on my data?

5.4%

That is a major decrease from the 6.1% I have previously calculated and in large part, if not exclusively, due to populations with low Rh negative percentages increasing rapidly.