What is TAM SAM SOM?
TAM is the revenue opportunity if every customer in the defined segment bought at the entered ARPU. SAM applies the portion your model can serve. SOM applies the share you are planning to win. Each is an estimate, not a market fact.
How do I pick a realistic SOM for an African startup?
Use evidence from comparable sales, channel capacity, conversion rates, delivery constraints, geography and budget. Explain the time period and do not use a generic percentage as proof.
Which African markets are included?
The country selector labels the scenario; it does not supply demographic or economic data. Enter a current addressable-customer count from a source appropriate to your exact segment.
Should I present TAM in USD or local currency?
Use the currency in which the ARPU evidence is measured. The tool deliberately does not perform a hidden FX conversion. If you need another currency, convert using a dated rate and record that rate in your deck.