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New stats: Average age at each belt promotion

4 year(s) ago • 5800 views • 10 replies

Richard Semides
Richard Semides
Black belt 1st degreeVerified21 forum posts1770/1000
4 year(s) ago
I love data and analysis, so thanks for sharing! Makes me happy I stuck with it when I was young, even if i'm hurting now hahaha
Drew Brunning
Drew Brunning
Black beltVerified235 forum posts3190/1000
4 year(s) ago
It's interesting that the differences between the average ages are much shorter than the average time at each rank. Are the current crop of black belts more likely to have started younger that upper belts are skewing toward 2 years of age when the belts seem to be 3 years apart on average?
Bobby McMasters
Bobby McMasters
Black belt 1st degreeVerified1272 forum posts12800/1000
4 year(s) ago
It's interesting that the differences between the average ages are much shorter than the average time at each rank. Are the current crop of black belts more likely to have started younger that upper belts are skewing toward 2 years of age when the belts seem to be 3 years apart on average?
My take is that the later you get started in bjj, the faster you progress.

When you're in your thirties, you most likely are able to attain many of the attributes necessary to progress through the ranks:

You can train more consistently, as you're likely to be more established with a life routine (especially when compared with those of us in our 20's).

You're more likely to be able to afford bribes (er... ahem... private lessons and seminars) again, when you compare those in their 20's.

Your body can still perform fairly well. Maybe not as well as when you were a teenager, but most professional athletes of most sports peak in their early thirties.

Plus, there's the fact that most instructors tend to evaluate your proficiency based on how you stack up to your peers.

Anyway, this age breakdown makes sense to me is all.

Awesome opportunity for some sort of sociological study!
Christian Graugart
Christian Graugart
Black belt 4th degreeVerified4323 forum posts39315/1000
4 year(s) ago
It's interesting that the differences between the average ages are much shorter than the average time at each rank. Are the current crop of black belts more likely to have started younger that upper belts are skewing toward 2 years of age when the belts seem to be 3 years apart on average?
Also consider that each belt is a separate data set. So the average for blue belt contains all the people who never reached black, brown or purple as well.
Bren Nolan
Bren Nolan
Purple beltVerified144 forum posts1460/400
4 year(s) ago
It's interesting that the differences between the average ages are much shorter than the average time at each rank. Are the current crop of black belts more likely to have started younger that upper belts are skewing toward 2 years of age when the belts seem to be 3 years apart on average?
The stats for each belt are different sets of people. I’d say that over time it’s more common for older people to take up bjj. Skewing the lower ranks more.
Plus many won’t make it to black belt, but starting younger probably skews it in your favour.
Ben Shaw
Ben Shaw
Black belt 1st degreeVerified61 forum posts1460/1000
4 year(s) ago
I'd love to see the stats on when these people started bjj as well. For me I started at 19 with an eye toward black belt before 30 but as fate would have it I would be promoted to black belt at 31.
Vince Choo
Vince Choo
Black belt 3rd degreeVerified1126 forum posts21045/1000
4 year(s) ago
By these stats I can tell that there are mostly old people using that site here :D
yeah

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