• In Singapore, matters related to blood donation are managed by the Health Science Authority. It also collaborates with the Singapore Red Cross to actively raise the public’s awareness of blood donation and recruit blood donors.
• An adult’s body contains four to five litres of blood on average, and the quantity of blood donated each time ranges from 350 to 450 millilitres.
• In Singapore’s blood bank, 54% goes to surgical use, 31% goes to general medicine use, 9% is used for treating blood diseases and 6% is  for accident and emergency use.
• To donate blood, members of the public must meet the following criteria: Generally healthy; no symptoms of infectious diseases (such as cold, cough, sore throat or diarrhoea) in the one week before blood donation; no fever in the four weeks prior; have not taken antibiotics for at least one week prior; weighs at least 45kg; and has a haemoglobin count of at least 13.0g/dl (for men) or 12.5g/dl (for women).
• As of 2019, only 1.87% of Singaporeans had donated blood. Among them, 23% were first-time blood donors, 37% were regular blood donors, and 24% were blood donors aged 25 and below.

献血 (Mainland China)