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48 years - tenth dan is rarely awarded. Ninth dan is traditionally considered the highest rank. The number nine carries significance. Tenth dan is usually only awarded posthumously to ninth dans who have demonstrated life-long dedication to the art. However, if you earn your first danin three years, you must remain at first dan for one year before you can test for second dan. You must remain at second dan for two years before you can test for third dan. You must remain at third dan for three years before you test for fourth dan, and so on (3 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 48), so it is conceivable that you could ear a tenth dan in 48 years.

One interesting exception to the waiting periods between dan promotions is the winning of world championship or an Olympic medal. Champions and medalists are often promoted one rank in recognition of their extraordinary accomplishments.

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15y ago

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