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HanoiWhy Data Scientist pay in Ottawa sits 29% below the Canada average
Ottawa, ON posts a data scientist median of $125,000, which is 29% under the Canada average. The useful question is whether lower prices (COL index 100) and a modeled 1-bedroom near $2,290/month close that gap in real life.
Data scientists turn raw data into insight using statistics, machine learning, and clear communication. In Ottawa, ON the title is noisy: some “data scientist” seats are analyst work paid near $125,000, while production ML seats push toward $125,000. The $125,000 median is the blended market, not a single job family. Employers screening data scientists in Ottawa, ON still list Python, SQL, Statistics, and Machine learning as core. The local band runs from about $82,900 at the 10th percentile to $188,000 at the 90th.
The percentiles on this page are observed metro figures for Data Scientist in Ottawa, ON, not a national median multiplied by a pay index. That matters: you are looking at how this labour market actually priced the role, including local industry mix. They are still estimates of the market — not a promise of what one employer will offer.
Among the 4 Canada metros we can compare for this role, Ottawa ranks 2 by median. Toronto leads this comparison at $134,000 (+7% vs Ottawa), while Montreal sits at $111,000. Use those gaps to test a relocation thesis: a 15% cash raise that lands in a much more expensive metro can disappear in rent.
Ottawa’s COL index (100) sits nearer the global baseline, so headline and adjusted pay are not far apart ($125,000 vs $125,000). Rent still matters: the 1-bedroom model is $2,290 / month, about 26% of take-home, with leftover near $3,960.
If you are comparing a Ottawa office offer with a location-flexible one, the Canada national median for this role is about $176,000. Local pay is 29% lower — a $51,000 gap. Remote employers often anchor to the national figure; on-site employers in Ottawa are anchoring to this page.
World Bank consumer-price inflation for Canada was about 2.1% in 2025; an illustrative model tied to inflation and the occupation’s outlook suggests pay has risen about 24% over the last few years. Express Entry / work permit is the usual skilled-hire route (moderate for typical hires): Skilled workers often use Express Entry (CRS points) or an employer-supported work permit; many tech roles score well when language and education criteria are met. At 1.6× Canada GDP per capita, this median is around a typical national living standard. Unemployment was about 6.9% in 2025. None of that is tax, immigration, or career advice — run the calculators and confirm rules officially.
How to read a data scientist offer in Ottawa
Start with gross cash, not the recruiting headline. If an offer lands near $125,000, you are in the lower half of this metro’s observed distribution; near $125,000 you are already paid like a stronger local hire. Then subtract a realistic tax path (simplified national effective rate here is about 15%, leaving $105,667 a year) and a housing number you would actually accept — not only the $2,290 model.
Because the 90th percentile is about 2.3× the 10th, two data scientist jobs in Ottawa can be different careers that share a title. Ask what sits in the package (bonus, overtime, equity, on-call) before you treat $125,000 as a fair target.
Demand and the data scientist pipeline
Occupation-level employment for data scientists is projected at about +35% over ten years. That is a national sketch of demand, not a forecast that Ottawa will hire at that rate. Local openings still follow Ottawa’s industry mix — hospitals, studios, public employers, or product companies — which is already baked into the observed percentiles more than into the outlook percentage.
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