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Donation and Transplantation Statistics

How many people in the United States were registered to be adult volunteer marrow donors? How many people received bone marrow and cord blood transplants last year? This section provides at-a-glance statistics on donor registry, transplants performed, and transplant outcomes.

Statistics at a Glance

  • The donor registry contains nearly 23 million potential donors.
  • More than 305,000 cord blood units are on the donor registry. This total includes nearly 112,000 units from the National Cord Blood Inventory (NCBI), with over 4,000 NCBI units added in 2020.
  • In 2018, 4,992 unrelated and 4,275 related bone marrow and cord blood transplants were performed in the United States and reported to CIBMTR.

More than 130,000 cord blood units on the registry in 2020 were from donors who identified their racial or ethnic background as:

  • American Indian or Alaska Native
  • Asian
  • Black or African-American
  • Hispanic or Latino
  • Native Hawaiian or Other Pacific Islander

Figure 6. Cord Blood Units on the Registry by Race and Ethnicity

More than 3 million volunteers on the registry in 2020 were from these racial and ethnic communities:

  • American Indian or Alaska Native
  • Asian
  • Black or African-American
  • Hispanic or Latino
  • Native Hawaiian or Other Pacific Islander

Figure 4. Diversity of Marrow Donors on the Registry

Figure 5. Marrow Donors on the Registry by Race and Ethnicity

View more data and figures on the Donor Registry Data page.

A total of 22,729 HCTs were performed in the United States and reported to CIBMTR in 2018. Of these, 4,992 (22%) were unrelated transplants and 4,275 (19%) were related transplants. 

More than two-thirds (68%) of the unrelated transplants and nearly three-quarters (73%) of related transplants were performed using peripheral blood in 2018. One-fifth (21%) of unrelated transplants used bone marrow and 11% used cord blood units. More than a quarter (26%) of related transplants used bone marrow. 

Over 75% of the unrelated HCTs and nearly 60% of the related HCTs performed in the United States and reported to CIBMTR in 2018 were for White recipients. 

View the report on transplants performed.  

Use the Transplant Center Search tool to find out about the number of transplants performed for certain diseases or transplant centers.

The SCTOD data provides patient survival estimates for a disease at a specific center and also develops summary slides of outcomes data. The Hematopoietic Cell Transplant Indications and Outcomes page will also show the disease-specific indications and outcomes, as well as comparison of HCT outcomes and trends by age, disease stage, and transplant type. 

Use the Transplant Center Search tool and check out the “Overall center survival” tab for each transplant program and to find out about the patient’s survival information for a particular center. 

To understand how information from a report applies to your specific situation, talk with your doctor.

If the data needed are not available through these reports, you can submit a customized data request using a CIBMTR Data Request Form.

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