Tax fraud: French Treasury claims €17.1 billion in 2025 – and AI has changed everything
We've all had that guilty thought while filling out our tax return: "What if I just sweep a little something under the rug?" Sure, committing tax fraud is wrong. But let's be honest, some people have almost turned it into a national pastime. Except Bercy has decided to win at that game. And in 2025, the tax office has just posted a dizzying record: €17.1 billion claimed from fraudsters. A feat made possible by an unstoppable weapon: artificial intelligence.
AI on the trail of fraudsters: how Bercy has doubled down
Gone are the days of random spot checks. Since the government got its hands on predictive algorithms, the success rate of tax investigations has skyrocketed. In 2025, tax agents no longer fish blindly – they target. AI continuously analyses abnormal bank flows, discrepancies between individual and business filings, and even suspicious behaviour on short-term rental platforms. The result? €17.1 billion in tax fraud has been notified to taxpayers who got a little too creative. That's a jump of nearly 30% compared to 2024. And the Economy Minister didn't hide his satisfaction – nor his promise to do even more next year.
- €17.1 billion: the total amount claimed in 2025, an absolute record.
- +32% more successful audits thanks to AI since 2023.
- Nearly 60,000 tax adjustment notices sent last year, a 25% increase in 12 months.
What often goes unsaid is that these figures don't just concern dodgy big bosses. The tradie inflating his expenses, the influencer who "forgets" to declare sponsorships, the Airbnb host pocketing rent without telling the tax office… Everyone gets a turn. And with AI, no one can rely on luck to slip through the net anymore.
"Legalise tax fraud"? The provocative T‑shirt making waves
In this context, a strange trend has emerged on social media – and in the streets of trendy neighbourhoods. Faded streetwear T‑shirts are popping up, sporting ironic slogans like "Legalize tax fraud" or "Committing tax fraud? Funny hobby." Yes, you read that right. These short-sleeve tops for men and women, often in a vintage-style 3XL print, play the most deadpan second-degree humour. The retro T‑shirt look embraces very French black humour: "Since cheating is now impossible, we might as well laugh about it."
Some Parisian streetwear creators have mischievously latched onto the theme, turning legalise tax fraud into an absurd, provocative slogan. Behind the joke lies genuine tax fatigue. But beware: wearing an ironic T‑shirt won't protect you from an audit. Algorithms don't do irony.
Should you be afraid of the new‑gen tax office?
The honest taxpayer has nothing to fear, except perhaps a bit more transparency. What's changing is that the little everyday dodges – the classic "it's just to make ends meet" – have become easy pickings for Bercy's machines. The tax office isn't messing around anymore. And the €17.1 billion in 2025 is just the beginning. Because every euro recovered is a euro that can fund hospitals, schools or the green transition. Hard to argue with that, even when you're wearing a "Legalise tax fraud" T‑shirt just to be provocative.
So if you see a bloke on the metro with a mocking 3XL print, smile. But keep all your receipts up to date. Because Bercy's eye never blinks.