How many people in the world have negative blood?

As in blood types

zaT2011-03-05T07:28:56Z

Favorite Answer

More than 85% of people are Rh positive. That leaves less that 15% that's Rh negative.

karkondrite2011-03-03T12:39:33Z

I don't know how many, but I do know that O negative has its highest concentration among the Basque people of Northern Spain.