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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 more than 22 million potential donors.
  • More than 300,000 cord blood units are on the donor registry. This total includes nearly 97,000 units from the National Cord Blood Inventory (NCBI), with nearly 4,000 NCBI units added in 2019.
  • In 2018, 4,837 unrelated bone marrow and cord blood transplants were performed in the United States.

More than 150,000 cord blood units on the registry in 2019 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

Nearly 4 million volunteers on the registry in 2019 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 22,863 HCTs were performed in the United States and reported to CIBMTR in 2017. Of these, 4,972 (22%) were unrelated transplants. 

Nearly two-thirds (66%) of the unrelated transplant were performed using peripheral blood in 2017. One-fifth (21%) used bone marrow and 13% used cord blood units. 

Over 75% of the unrelated HCTs performed in the United States and reported to CIBMTR in 2017 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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