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Each year, an estimated 6.8 million people in the U.S. donate blood. 13.6 million units of whole blood and red blood cells are collected in the U.S. in a year. About 45% of people in the U.S. have Group O (positive or negative) blood; the proportion is higher among Hispanics (57%) and African Americans (51%).
On average, 500ml of blood, or one pint, is collected when you donate whole blood. The average adult has around five liters, or 10-12 pints, of blood in their body. That means, approximately 10% of your blood supply is taken when you donate whole blood.
Every year, people donate over 100 million units of blood worldwide. The amount of blood the United States has in blood banks varies. Each state and region will have different amounts of...
For a whole blood donation, about 1 pint of blood is collected; several small test tubes of blood are also collected for testing. Your donation, test tubes and your donor record are labeled with an identical bar code label.
The minimum donation frequency for whole blood donation in the United States is every 56 days. This donation frequency can vary among blood donation sites. At the Mayo Clinic Blood Donor Center in Rochester, Minnesota, for example, you can donate whole blood every 84 days.
Explore the newly updated guide, featuring 40+ verified statistics on the blood supply, donor demographics, and the impact of COVID-19 on donations. Learn about the pivotal role of younger and diverse donors in ensuring the long-term stability of the U.S. blood supply. Download.
State of Health. Blood donation in the U.S. - Statistics & Facts. The American Red Cross estimates that someone in the United States needs blood every two seconds. However, only around three...
Q1.4: How often can individuals donate blood in the U.S.? Individuals can donate whole blood no more than once in eight weeks.4 Individuals can donate platelets (apheresis donation) as much as twice in a seven-day period — or up to 24 times in a rolling 12 months.5 Individual blood centers may apply additional policies.
Most blood donors give 1 or 2 times a year, but did you know, depending on the type of donation, you may be eligible up to 24 times a year? First, it’s good to understand how much blood is in the human body and how much you give with each blood donation.
Find out how often you can donate blood and answers to more frequently asked questions about the blood donation process with American Red Cross blood services.