How often does someone in the U.S. need blood or platelets?
AnswerEvery 2 seconds
About 29,000 units of red blood cells are needed every day in the U.S.
Source: American Red Cross redcrossblood.org
Society · Facts & sources
Donation facts & stats
5 sourced facts about charitable giving, blood and organ donation, each with the context behind the number. 4 more are in today's round and appear here after it closes.
The basics
How many lives can a single organ donor save?
Answer8 (and enhance 75+ more)
More than 49,000 organ transplants were performed in the U.S. in 2025.
Source: HRSA, organdonor.gov organdonor.gov
Going deeper
Over the past 20 years, the share of U.S. households that give to charity fell from about two-thirds to…
AnswerLess than half
Over the same period, the number of U.S. nonprofits grew by 34%.
Source: Giving USA givingusa.org
A single car-accident victim can require up to how many units of blood?
AnswerAs many as 100 units
The average red blood cell transfusion is about 3 units.
Source: American Red Cross redcrossblood.org
About how many people were on the U.S. national organ transplant waiting list in 2026?
Answer109,817
Another person is added to the waiting list every 7 minutes.
Source: HRSA, organdonor.gov organdonor.gov
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