Claim Check · free

“This caused that.” Did it?

A minister says a scheme raised enrolment. A brand says its campaign doubled sales. Paste the claim and the numbers. Counterfact estimates what would have happened anyway and gives a verdict anyone can check, with a public receipt that can't be edited later.

Check a claim

The claim (what someone said)

Where it was said (link, optional) Where the data comes from (link, optional)

The numbers: upload a CSV, or paste a table (first column = dates, then one column per series)

The number the claim is about The claim says it went

First period after the change Topic

Comparison series (things the change shouldn't have affected)

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Your numbers are used for the calculation and a small chart on the share page. Only a fingerprint of the data goes in the public record. Please check claims about public statements and public data, not private people.

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