Common Industries & Domains for Analysts
Part of the Data Analyst Roadmap
In short
SQL works the same everywhere, but the questions don't. An analyst at a bank and one at a food app use different words, metrics and worries. Picking a domain early helps your portfolio stand out.
Analysts work across marketing, product, finance, operations, healthcare, retail and more — each domain has its own key metrics and vocabulary you'll need to pick up quickly.

Think of it like this
Same platform, different trains
At a big railway junction, every train runs on the same tracks, but each goes somewhere different with its own crowd and timetable. Your analyst skills are the tracks. Banking, e-commerce, healthcare and sports are the different trains you can board.
Watch it happen
Domains and the metrics they live by
1/5SQL, spreadsheets, stats and charts are the same toolkit in every domain.
The big ideas
What you need to know
Domain words matter
Learn the key terms of your target industry, like GMV in e-commerce or NPA in banking, so you can talk to stakeholders.
Each domain has its north-star metrics
Know the three or four numbers leaders in that field check every morning.
Domain projects impress
A portfolio project in the industry you're applying to shows you already think like their team.
Save yourself the pain
Common mistakes
Oops
Ignoring the domain and only learning tools.
Do this instead
Spend some time reading how your target industry makes money. It makes your analysis sharper.
Oops
Thinking you must stay in one domain forever.
Do this instead
Skills transfer. Many analysts move from retail to fintech to healthcare over a career.
Your mission
Build a domain cheat sheet
Quick check
Why does domain knowledge help a data analyst?
Go deeper
- 1Pick one domain you're personally interested in and research its 5 most common metrics.
- 2Read a domain-specific analyst job posting and note the industry-specific terms used.
- 3Consider how your prior work or study experience maps to a specific domain.
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