Bloody Mensans Challenge

07/07/2026

🩸 ** Bloody Mensans Challenge – Mid-Year Statistics!** 🌍

Since the launch of the challenge on **January 1st**, Mensans from around the world have already recorded an incredible **176 donations** between **January 1st and July 7th**! 🎉

The challenge is **far from over**: it will continue until **October 31st, 2026**, giving every national Mensa plenty of time to climb the rankings. And don't worry if you missed the beginning—the challenge will return with a brand-new edition in **January 2027**!

🩸 Top countries by donation type
Plasma
Australia — 17 donations
South Africa — 11
Hungary — 8
Italy — 8
Sweden — 6
France — 4
Japan — 3
Austria — 1
Belgium — 1
Canada — 1

Platelets
South Africa — 12 donations
Singapore — 6
Japan — 4
Serbia — 4
USA — 4
Canada — 1
Italy — 1

Whole Blood
France — 10 donations (tied)
Poland — 10 (tied)
Germany — 9
Hungary — 5 (tied)
Singapore — 5 (tied)
South Africa — 5 (tied)
Montenegro — 4 (tied)
Romania — 4 (tied)
United Kingdom — 4 (tied)
USA — 4 (tied)

# # # White Cells

No submissions yet… Who will be the first? 👀

# # 👥 Donor Demographics

• **Dudes:** 73.4%
• **Chicks:** 26.6%

# # 🩸 Most Common Blood Groups

🥇 A+
🥈 O+
🥉 A−
4️⃣ B+
5️⃣ O−
6️⃣ AB+

# # 📊 Fun Facts

🩸 Australia currently dominates the plasma category thanks to an impressive number of regular donors.

🩸 South Africa has built a comfortable lead in platelet donations.

🩸 Whole blood donations are much more evenly spread, with France, Poland and Germany battling for the top spots.

🩸 More than **20 countries** have already taken part, making this a truly international challenge.

🩸 Many participants donate regularly throughout the year, and some even donate different blood components (whole blood, plasma and platelets).

📢 **Remember:** every donation only counts if it is registered through the **official challenge form**. If you've donated whole blood, plasma, platelets or white cells, please take one minute to submit your donation so it appears in the rankings and helps your country! https://surveyheart.com/form/68a9e4ee8eeece3c8f7c3425

Let's keep saving lives—and have a little friendly competition while we're at it! ❤️

Donations from 1 Jan 0:01 2026 to 12 Oct 23:59 2026 - You can declare your blood/plasma/platelets donation here : 1 form per donation For all types of donations, write the quantity in milliliters. The Bloody Mensans Challenge encourages Mensa members to become regular blood donors, helping to addres...

23/02/2026

🩸✨ Bloody Mensans Challenge 2025 — Final Rankings Update! ✨🩸

Okay… tiny confession time 😅
I made a mistake in the previous calculations of the final rankings. Math is powerful… but sometimes it needs a double-check! 🧮🤓

So today, I’m publishing the official and definitive results of the BMC 2025 💪

There are 8 categories in total:
🩸 Plasma
🔴 Platelets
⚪ White cells
❤️ Whole blood

Each category is ranked:
🌍 Per country (total donations)
📊 Per country divided by the number of Mensa members, so that smaller countries are not disadvantaged in the Challenge. Fair play for everyone! 🙌

Thank you for your understanding — and for your enthusiasm. This challenge is about generosity, impact, and a bit of friendly international competition! 🏆🌎🩸✨

🚀 The Bloody Mensans Challenge 2026 started on January 1st, 2026!

Donations must be declared one by one via the official form (one form = one donation).

👉 Report your donations here: https://surveyheart.com/form/68a9e4ee8eeece3c8f7c3425

🔥 And guess what? We already have 41 donations registered since the beginning of the year! Amazing start!

Let’s keep rolling up those sleeves and make 2026 even more impactful 🩸💙

💉✨

06/02/2026

🩸✨ Bloody Mensans Challenge 2025 — Final Results Are Here! ✨🩸

What an incredible year! Together, Mensans around the world achieved something truly meaningful:

🌍 22 countries participated
💉 294 donations of blood products
🧪 134,439 ml donated (whole blood, plasma, platelets, and white cells)

Every single donation helped save lives — thank you to everyone who rolled up their sleeves! ❤️

🏆 Country Rankings

Plasma donated (total ml)
🥇 South Korea
🥈 Hungary
🥉 South Africa

Plasma donated per Mensa member in the country
🥇 South Africa
🥈 South Korea
🥉 Slovakia

Platelet donations (total)
🥇 South Africa
🥈 South Korea
🥉 Singapore

Platelet donations per Mensa member in the country
🥇 South Africa
🥈 South Korea
🥉 Singapore

White cell donations
🥇 South Korea

Whole blood donations (total)
🥇 Hungary
🥈 Poland
🥉 USA

Whole blood donations per Mensa member in the country
🥇 Montenegro
🥈 Poland
🥉 Singapore

👏 Congratulations to all participating countries and donors — your generosity truly makes a global difference!

To see the full rankings of all participating countries, visit the social media :
Facebook: facebook.com/BloodyMensansChallenge
Instagram: instagram.com/bloodymensanschallenge

🗓️ The Bloody Mensans Challenge continues in 2026!
The 2026 edition started on January 1st, 2026, and donations are already coming in — about 15 donations have already been reported since the beginning of the year! 💪

👉 Please remember: each donation must be reported individually using the official form.
If you donate twice (for example, two plasma donations and one whole blood donation), please submit three separate forms — one form per donation.

⚠️ Only donations entered through the official form will be counted in the Challenge results.

👉 Report your 2026 donations here (one form per donation): https://surveyheart.com/form/68a9e4ee8eeece3c8f7c3425

🩸 ❤️ 🌍💉 🧠✨