What is the age of healthy citizens who advocate voluntary blood donation?

Legal analysis: the state encourages1healthy citizens aged 8 to 55 to donate blood voluntarily.

Legal basis: People's Republic of China (PRC) Blood Donation Law.

Article 2 The State practices the system of blood donation without compensation. The state encourages healthy citizens aged 18 to 55 to donate blood voluntarily.

Article 3 Local people's governments at various levels shall lead the blood donation work within their respective administrative areas, make unified plans, and be responsible for organizing and coordinating relevant departments to do a good job in blood donation work.