80/20 rule

Most of the result comes from a minority of the causes: a few customers, products or fixes carry most of the value. The first cut in any analysis is finding which few.

80/20 rule in practice

An associate sorting Hanil’s customer list quickly saw a handful of accounts driving most of the volume, so the team built the whole diligence workplan around understanding those few relationships first.

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Hypothetical customer concentration; shares of different totals
Share of all customersShare of total sales
20%80%

Gap analysis · Benchmarking · Customer concentration · All of the glossary