It took me a while to come up with the model but I like what it has come to:
"There is a ratio between how many purple belts and blue belts train at a BJJ club and how many white belts train at least once a week and I believe that, within a certain margin of error, that ratio is true for the majority of clubs"
I asked and the UK BJJ community replied (well, 30 clubs did which is a sample more than big enough).
I took the values and created a ratio that helped me workout the spread of BJJ players in different BJJ academies in the UK. Of course there are academies that have much bigger numbers, and there are ones with smaller, but it all kind of evens out to a ratio (or two) that lead to a total figure (or two)
The figures that came out of this are.....drum roll.....are you ready?
The range of values I arrived at was from a minimum of 2,048 to a maximum of 3,206 practitioners.
The average was 2,571 and the median value (one closest to the middle of the range) was 2,627.
A bit of nerdy info:
Max % of UK population who train BJJ at least once per week: 0.005343333
Min % of UK population who train BJJ at least once per week:: 0.003413333
|Spot the odd one out :)|
So, so small. To put it differently, out of every 100,000 people randomly selected in the UK you should meet no more than 3-5 people who do BJJ once per week.
Count yourself lucky that you have stumbled upon this wonderful art.
As promised, here is my heart-felt thank you to the academies that took the time and effort to reply to my query:
The Tokon Academy (Jiu Jitsu Brotherhood Bedfordshire & Hertfordshire) http://www.tokonacademy.com/
Team Fulinkazan/ Combat base Bradford http://www.teamfulinkazan.co.uk/
Alliance Derby http://www.rmac.co.uk/
Poole BJJ http://www.poolebjj.co.uk/
Sheffield Martial Arts Centre http://www.sheffieldmartialartscentre.co.uk/
Roger Gracie Academy Bucks http://rgaa.co.uk/
Aspinall BJJ http://www.aspinallbjj.com/
KYOUJIN MMA http://www.kyoujinmma.co.uk/
Alliance BJJ Brighton http://www.alliancebjjbrighton.com/
Blue Wave Martial Arts http://bluewavemartialarts.com/
The MMA Clinic http://www.themmaclinic.com/
Mill Hill BJJ http://www.millhillju-jitsuclub.com/
Musubi Martial Arts http://www.martialartsblackpool.com/
Combat Base Bolton http://www.combatbasebolton.co.uk/
Ng Gar Tien Combat Base http://www.netgnosis.org.uk/nggartien/
KP Martial Arts http://www.combatbasebolton.co.uk/
Gracie Barra Bristol http://www.graciebarrabristol.com/
Rickson UK firstname.lastname@example.org
Factory BJJ http://factorybjj.com/
BJJ Labs - Fighting Fit http://www.fightingfitmartialarts.co.uk/
Combat Base HeadQ http://www.combatsport.co.uk/
Stealth BJJ Manchester http://www.stealthbjj.com/
BJJ School http://bjjschool.co.uk/
Gracie Barra Birmingham http://www.graciebarrabirmingham.com/
London Fight Factory http://www.londonfightfactory.com/
Arlans Siqueira BJJ http://www.arlanssiqueirabrazilianjiujitsu.co.uk/
Novagen BJJ http://www.bjj.co.za/
Axis UK BJJ http://www.axisbjj.co.uk/
Dartford BJJ http://www.dartfordbjj.com/
Basingstoke SMA http://www.basingstokesma.co.uk/
Thank you all for helping my humble research.
I would also like to thank Seymour for the idea, EFN Forum for providing the list of BJJ colour belts and of course Can "Slideyfoot" Sönmez for going through the effort of creating his famous BJJ UK Map.
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