Blood donation is a significant social responsibility; it teaches us to care for society and demonstrates to others that we value the community. According to scientific data, a single unit of donated blood can save the lives of at least three people. You might wonder how this is possible. When blood is donated, it is separated into various components—such as platelets, blood cells, and plasma—meaning a single donation can simultaneously save three lives.

Data shared by the central government indicates that blood donations exceeded requirements in the 2024-25 period; however, despite this, there are still regions in the country where patients struggle to access blood during emergencies. Let us understand which blood groups can donate to and receive blood from others.

Which blood group can donate to whom?
O+ is the most common blood group across the country, while O- is the blood group that can donate to everyone. Let us look at the compatibility of all blood groups:

To whom can O+ individuals donate blood?
Statistics show that approximately 30% of the population has the O+ blood group. Individuals with O+ blood can donate to those with O+, A+, B+, and AB+ blood groups. Conversely, O+ individuals can only receive blood from O+ and O- blood groups.

To whom can O- individuals donate blood?
The O- blood group is unique because it is a "universal donor." However, regarding receiving blood, O- individuals can only accept blood from their own group—specifically, O-. Doctors often utilize this blood group in emergencies where the patient's blood type is unknown.

To whom can A+ individuals donate blood?
Individuals with the A+ blood group can donate blood to those with A+ and AB+ blood groups. This blood group can receive blood from A+, A-, O+, and O- blood groups.

To whom can people with A- blood donate?
People with this blood group can donate to A+, A-, AB+, and AB- blood groups; however, regarding receiving blood, they only have the options of A- and O-.

To whom can people with B+ blood donate?
People with B+ blood can donate to B+ and AB+ blood groups. When it comes to their own needs, they have the options of B+, B-, O+, and O- blood groups.

To whom can people with B- blood donate?
People in this group can donate to B+, B-, AB+, and AB- blood groups, but for receiving blood, they only have the options of B- and O-.

To whom can people with AB+ blood donate?
While O- is the universal donor, AB+ is the universal recipient. Regarding donation, this group can only donate to its own blood group—AB+.

To whom can people with AB- blood donate?
AB- is the rarest blood group; it can donate to both AB+ and AB- groups. Conversely, it can receive blood from AB-, A-, B-, and O- groups.

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