TYB
The World Blood Types By Percentage of Population
Rank Blood Type World Population(%)
1 O positive 38.67
2 A positive 27.42
3 B positive 22.02
4 AB positive 5.88
5 O negative 2.55
6 A negative 1.99
7 B negative 1.11
8 AB negative 0.36
yikes (4-6%
https://www.worldatlas.com/articles/what-are-the-different-blood-types.html