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  • 執筆者の写真Jasmine Tsunoda

Giving Blood (献血 kenketsu) in Japan - World Blood Donor Day 2024

20 years of celebrating giving: thank you, blood donors!

The 20th anniversary of World Blood Donor Day is an excellent and timely opportunity to thank blood donors across the world for their life-saving donations over the years and honour the profound impact on both patients and donors. It is also a timely moment to address continued challenges, and accelerate progress towards a future where safe blood transfusion is universally accessible.

The objectives of the campaign:

  • thank and recognize the millions of voluntary blood donors who have contributed to the health and well-being of millions of people around the world.

  • showcase the achievements and challenges of national blood programs and share best practices and lessons learned.

  • highlight the continuous need for regular, unpaid blood donation to achieve universal access to safe blood transfusion.

  • promote a culture of regular blood donation among young people and the general public, and increase the diversity and sustainability of the blood donor pool.

World Blood Donor Day

June 14th is World Blood Donor Day! Every year countries around the world celebrate World Blood Donor Day (WBDD). The event serves to raise awareness of the need for safe blood and blood products and to thank voluntary, unpaid blood donors for their life-saving gifts of blood.

A blood service that gives patients access to safe blood and blood products in sufficient quantity is a key component of an effective health system. The global theme of World Blood Donor Day changes each year in recognition of the selfless individuals who donate their blood to people unknown to them.

Why should you donate?

Blood transfusions can help treat a variety of diseases, like certain types of cancers or blood diseases. There is no way to make blood in an artificial way yet, so we must rely on people to give blood to help those in need. Due to a population decline, the number of younger blood donors has been decreasing in Japan. In addition to this problem, during the COVID-19 pandemic, blood donations dropped significantly, so there is a big need for more blood donations.

If you have the blood type 0- , your donation can also be used in emergency trauma situations.

Where can you donate?

In Japan, you can search for blood donation centers by clicking through the following link:

Blood Donation Centers(in Japanese)

Or, you can search for blood donation buses by clicking through the following link:

Blood Donation Bus (In Japanese)

What is the process of donation like?

It is always a good idea to eat and be properly hydrated before donating blood. The process usually takes about an hour or two. Generally, there is a health survey before you donate blood, and they go over the benefits and risks of donating blood. Some of the risks of donating blood include:


-continued bleeding



-physical weakness

In Japan, generally, 400mL of blood is collected. The donation itself takes about 5 minutes, depending on how hydrated you are. After you are finished with this, you will need to rest in the lobby for about 15 to 30 minutes and enjoy some snacks and refreshments.


The cute mascot for blood donation is called kenketsu-chan. She is a love fairy who has blood drops for her ears. Her favorite phrase is, “It only stings a little bit.”

Did you know about blood personality types in Japan?

Similar to star signs, there is a fun superstition about blood types in Japan.

A-type people are said to be organized and precise.

B-type people are said to be extroverted and easy-going.

AB-type people are said to be eccentric and curious.

O-type people are said to be optimistic.

Do You Know Your Blood Type?

  • A

  • B

  • AB

  • O

What do you think about blood type personalities? Is it accurate for you? Tell us in the comments and let us know what ways you have given back to the community during this time! Giving Blood (献血 kenketsu) in Japan - World Blood Donor



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