Out of 100 donors . . . . . 84 donors are RH+ 16 donors are RH- 38 are O+ 7 are O- 34 are A+ 6 are A- 9 are B+ 2 are B- 3 are AB+ 1 is AB- Source: Who can you give blood to and whom can you receive blood from? But that is in the U.S. While 15 percent of Americans are rhesus negative, less than 1 percent of all Asians are. But I still believe 0+ to be the number 1 type in regards to frequency amongst the population world wide.