Am I allowed to give blood in Denmark?
Yes, if you meet the requirements to be a blood donor — donation is voluntary, anonymous and unpaid. You must be healthy, weigh at least 50 kg and have a Danish CPR number, and you must understand Danish. You can start at 17 with written parental consent (from 18 without), and after a change in June 2026 you can give blood until you turn 75 — the upper limit is no longer the one most people remember. You can give whole blood at most 4 times a year at least 3 months apart, and a donation is about 450 ml. The most common obstacle is the deferrals: 4 months after a tattoo or piercing, 6 months after childbirth and 6 months after travel in malaria areas.
📋 The rules
- Healthy, weigh at least 50 kg, a Danish CPR number
- Start at 17 with parental consent (18 without)
- Can give blood until you turn 75 (changed June 2026)
- Whole blood at most 4 times a year
- After a tattoo: 4-month deferral
🔓 Exceptions
- After childbirth there is a 6-month deferral, and you cannot give blood during pregnancy
- Travel in malaria areas brings a 6-month deferral
- Some diseases and drug use mean permanent exclusion
⚠️ Penalties & fines
There is no penalty — blood donation is voluntary and unpaid, and you cannot be fined for turning up in vain. The consequence is practical: if you do not meet a requirement, you are deferred or turned away, and that happens to protect both the recipient and you. A tattoo two months before your appointment costs you the trip, because the deferral is 4 months. Some diseases and drug use mean permanent exclusion. The whole system rests on you telling the truth about deferrals and health — if you hold something back, it is the recipient who carries the risk.
📎 Official sources
❓ Frequently asked
Can I give blood?
Yes, if you are healthy, weigh at least 50 kg and have a Danish CPR number. You must also be able to understand Danish, and you can start at 17 with written parental consent — from 18 without consent.
How old must I be?
You can start at 17 with written parental consent and from 18 without. After a change in June 2026 you can give blood until you turn 75, as long as you are still healthy and meet the other requirements.
How much must I weigh?
At least 50 kg to give whole blood, and a donation is about 450 ml. The weight requirement is there for the donor's own sake, just as the deferrals protect both you and the person who receives the blood.
Can I give blood after a tattoo?
Not right away. After a tattoo or piercing there is a 4-month deferral, and after childbirth 6 months — during pregnancy you cannot give blood at all. Travel in malaria areas also brings a 6-month deferral.
How often can I give blood?
Whole blood at most 4 times a year and at least 3 months apart. A tattoo brings a 4-month deferral and travel in a malaria area 6 months, so a single event can push your next donation back.
🔎 Common searches
What people search to land here:
- “can I give blood denmark”
- “blood donor 17 parental consent”
- “blood donor age 75”
- “blood donor weight 50 kg”
- “tattoo deferral blood”
- “give blood 4 times year”