Blood Donation Guide

2025

Select your blood type to see donation compatibility

O+

38% of population

Key Facts

Most common blood type
Universal red cell donor for Rh+ patients
Always in high demand at blood banks

Blood Type Compatibility Network

Interactive visualization of blood type relationships

O+

Can donate to

O+

O-

A+

A-

B+

B-

AB+

AB-

Selected Type

Compatible Types

Incompatible Types

Interactive guide: Green nodes show who can receive your blood. Click any node to change your blood type.

General Blood Donation Information

Donation Frequency

Most people can donate blood every 56 days (8 weeks)

Time Required

The donation process takes about 10-15 minutes, while the entire visit takes about an hour

Lives Saved

A single donation can save up to three lives

Important Facts

Type O negative blood is considered the universal donor type and is often used in emergencies
Type AB positive is the universal recipient for red blood cells
Only about 38% of the population is eligible to donate blood
Platelets and plasma can be donated separately from whole blood
Your body replenishes the fluid lost from donation within 24 hours

Why Your Donation Matters

Every 2 seconds, someone needs blood. Your donation can be the difference between life and death for accident victims, surgery patients, and those battling cancer.

Find Donation Centers

This is an informational guide only. Always consult healthcare professionals for medical advice.

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