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. Author manuscript; available in PMC: 2021 Sep 15.
Published in final edited form as: Transfusion. 2021 Aug 1;61(Suppl 2):S11–S35. doi: 10.1111/trf.16606

TABLE 7.

Number of blood donors in the United States, 2017 and 2019 (expressed in thousands)a

Donors
% of total donors

2019 (95% CI) 2017 2019 2017 % change 2019–2017
Number of donors
 First time, allogeneic 2213 (2007–2419) 2076 30.2 26 6.6
 Repeat, allogeneica 5069 (4753–5385) 5921 69.3 74 −14.4
Total individual donorsb 7316 (6912–7720) 7996 −8.5
a

Repeat donor who donated >1 time during 2019 are only counted once.

b

Excludes directed and autologous donors. Only includes donors from which blood products were successfully collected.