Assortment attrition rate

Assortment attrition rate

Sébastien MEIGE avatar
Written by Sébastien MEIGE
Updated over a week ago


The assortment attrition rate represents the proportion of the product portfolio that has become inactive over your analysis period.


Attrition rate = Attrition in number of GTINs / Range width in number of GTINs


For a market consisting of 2,000 products:

  • 200 products have no sales in your analysis period but were sold in the same period the previous year, these 200 products represent assortment attrition.

  • 1,600 products have sales in your analysis period, these 1,600 products represent assortment breadth.

Attrition rate = 12.5% = (200 / 1,600)


The assortment attrition rate indicator can be translated into English as "Churn rate" or CPA Rate.


The product mix attrition rate can also be studied in value or volume sales, to measure the weight of inactive products on sales.


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