Number of whole blood and red blood cell units collected in the U.S. in 2021

Data is from the National Blood Collection and Utilization Survey (NBCUS).
"In March 2022, all community-based (53) and hospital-based (83) blood collection centers, a randomly selected 40% of transfusing hospitals performing 100–999 annual inpatient surgeries, and all transfusing hospitals performing ≥1000 annual inpatient surgeries were sent a 2021 NBCUS survey to ascertain blood collection and transfusion data. Survey response rates were 92.5% (49/53) for community-based blood centers, 74.7% (62/83) for hospital-based blood centers, and 76.3% (2102/2754) for transfusing hospitals."
* Apheresis RBC units include allogeneic, autologous, directed, and concurrent collections.