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A digital services tax (DST) generally applies to gross revenue from specified digital services connected to users or customers in a taxing jurisdiction. A broadly applicable corporate income tax generally applies to a company’s profit across a much wider range of business activities. A DST is therefore not simply another name for corporate income tax—and is generally designed to operate alongside it. “Broad corporate levy” is descriptive shorthand here, not a standardized tax category.
How the two taxes differ
| Comparison | Typical digital services tax | Broad corporate income tax |
|---|---|---|
| Tax base | Gross revenue from specified digital services or transactions; costs are not generally deducted in calculating the base. OECD commentary on the GloBE rules and the OECD economic assessment describe this distinction. | Net profit or income after allowable costs, according to local rules. The OECD economic assessment contrasts corporate profit taxation with taxes on revenue. |
| Activities covered | A selected set of digital services, often connected to users in the market imposing the tax. Categories and thresholds depend on the jurisdiction. | Generally applies to a wider range of a corporation’s business income, subject to local law. |
| Relationship to other taxes | Generally designed to apply in addition to ordinary income tax, rather than replace it. OECD commentary | Is itself a broad tax on business profits; interactions with other taxes and credits depend on the jurisdiction. |
The gross-revenue base matters: a covered business may owe DST on qualifying revenue even if the activity has low margins or makes a loss. That is a consequence of how a turnover-based tax is calculated, not a prediction of what every company will owe under every country’s rules.
What counts as a digital service?
There is no single worldwide DST definition. National laws set their own taxable services, thresholds, and other conditions. The IMF describes DSTs as sector-specific turnover taxes and notes variation in which services are covered; they are not simply VAT or sales taxes on all digital purchases. See the IMF’s 2026 paper on digital services taxes.
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Country examples: rules and status are date-specific
United Kingdom
A UK government announcement described the original design as a 2% tax, introduced from April 1, 2020, on revenues of search engines, social media services, and online marketplaces deriving value from UK users. That announcement is not a complete account of thresholds, reliefs, or later changes. The government’s 2025 review calls the DST “a narrow-scope business tax” that taxes revenues from specific digital services and describes it as an interim measure while a global solution is pursued. See the UK government’s original announcement and its 2025 review.
Canada
Canada’s government describes its DST as a 3% tax on certain revenues earned by large domestic and foreign businesses engaging online users in Canada. Its status page reports that repeal legislation received Royal Assent on March 26, 2026. The rate and repeal date are separate facts; consult the Canadian government’s DST page for the official status and details.
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How DSTs fit into the international tax debate
OECD Pillar One Amount A is a separate framework: it is intended to reallocate a share of profits from the largest and most profitable multinational enterprises to market jurisdictions, improve tax certainty, and remove DSTs under its multilateral convention. It is not the same mechanism as taxing selected digital-service gross revenue. The OECD’s description of the convention sets out its intended architecture; it does not establish that a uniform replacement is in force worldwide or that every country has repealed its DST. See the OECD Amount A convention page.
For a separate technical purpose, OECD commentary says DSTs generally are not covered taxes under the GloBE rules because they are generally gross-revenue taxes rather than income taxes and typically operate alongside ordinary income taxes. That classification is specific to the GloBE rules; it should not be assumed to determine treatment under every treaty, domestic law, or accounting standard.
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What this distinction does—and does not—tell you
- It identifies the basic design: a typical DST targets revenue from specified digital services; a broad corporate income tax targets profit across more activities.
- It does not determine a company’s final bill: the applicable statute, thresholds, deductions, reliefs, and interactions with other taxes matter.
- It does not settle who ultimately bears the cost: that depends on circumstances and cannot be inferred from the tax base alone.
- It does not establish one global legal status: rules differ by country and change over time, as the UK and Canadian examples illustrate.
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