Markets, industries & categories · Working
Market concentration
Also called: concentration
ELI5
How much of a market is controlled by the largest firms.
Used in conversation
“Use more than one measure of market concentration.”
Definition
The degree to which market share is held by a small number of firms.
Here “Market concentration” means: The degree to which market share is held by a small number of firms.
Pitch context
You will see “Market concentration” in strategy decks, market analyses, business plans and planning workshops when the discussion reaches markets, industries & categories.
Why it matters: It helps a reader interpret markets, industries & categories without confusing the measure, decision, role or evidence being discussed.
Connected terms
- Concentrated marketThe search label “market concentration” can route to both entries.
Sources & evidence · 5
Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.
- Strategyzer — Business Model Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- Strategyzer — Value Proposition Canvas resourcesSupporting source family · practitioner · checked 2026-08-16
- LEANSTACK — Lean CanvasSupporting source family · practitioner · checked 2026-08-16
- U.S. Department of Justice Antitrust Division — Herfindahl-Hirschman IndexSupporting source family · primary · checked 2026-08-16
- U.S. Census Bureau — Business and economy dataSupporting source family · primary · checked 2026-08-16