Best Answer: In the US, Type O positive is the most common and type AB negative is the least common. Someone else posted a wildly incorrect ration for Rh postive and negative as 50:50, but in reality it is about 85% postive and 15% negative in the US. just now. Report Abuse. The most common blood type in the US is A+ and O+ (about 40% each) and this trend continues in most of the western nations. Many Asian nations have mostly A+ and B+ and thus there are also a lot of AB+. Rh positive is generally more commonly seen than Rh negative all over the world.
If you know health insurance. not take a beating. A fee-for-service plan is what most Americans think of as traditional health insurance. The deductibles and co-pays for this type of plan are generally higher than those of a managed health care provider. These fees can add up over the course of a year, but they also buy more options.
After you reach your deductible, youâll still have to pay any copays or coinsurance. Some services will be covered by your plan before you reach the deductible. Here's an example of how a deductible works. Grace has Medicare Plus BlueSM PPO Essential. This plan has a $160 deductible.