In a percentage, how common is each blood type among humans?

The approximate percentages of blood types among humans are as follows:

* O positive: 37.4%

* A positive: 35.7%

* B positive: 8.5%

* AB positive: 3.4%

* O negative: 6.6%

* A negative: 6.3%

* B negative: 1.5%

* AB negative: 0.6%

It's worth noting that these percentages may vary slightly depending on the population group and geographic region being considered.