Market sizing & growth · Core

Total addressable market

Also called: TAM, total available market

ELI5

The biggest theoretically relevant market.

Used in conversation

“The TAM must use a stated boundary and method.”

Definition

The total annual demand or revenue opportunity if a product captured every customer within a clearly defined market.

Here “Total addressable market” means: The total annual demand or revenue opportunity if a product captured every customer within a clearly defined market.

Pitch context

You will see “Total addressable market” in strategy decks, market analyses, business plans and planning workshops when the discussion reaches market sizing & growth.

Why it matters: It helps a reader interpret market sizing & growth without confusing the measure, decision, role or evidence being discussed.

Connected terms

Sources & evidence · 5

Supporting source families. This entry is an editorial synthesis rather than a quotation from one canonical glossary.