Number of blood donations Japan 2021, by type of donation
In 2021, the number of 400 mL donations amounted to approximately 3.3 million donations. In the case of Japan, the collection and supply of blood for use in transfusion are operated only by the Japanese Red Cross Society. The Red Cross Society in Japan recommends blood donors to donate 400 mL when it is possible, in order to ease the suffering of the patients.