Annual number of blood donations: first-time and repeat donors
| Year | Total number of donations to the Korean Red Cross | Number of donations-repeat donors (%) | Number of donations-first-time donors (%) |
|---|---|---|---|
| 2017 | 2,714,819 | 2,354,186 (86.7) | 360,633 (13.3) |
| 2018 | 2,681,611 | 2,358,261 (87.9) | 323,350 (12.1) |
| 2019 | 2,613,901 | 2,301,241 (88.0) | 312,660 (12.0) |
| 2020 | 2,435,210 | 2,208,604 (90.7) | 228,608 (9.3) |
| 2021 | 2,426,779 | 2,178,548 (89.8) | 248,231 (10.2) |
| 2022 | 2,445,003 | 2,180,455 (89.2) | 264,548 (10.8) |