Why a trade war with China could punch a sizable hole in Zuckerberg’s growth engine

That dependence now looks dangerously exposed.

Donald Trump’s proposed trade policy – if enacted – would slap a 145% tariff on Chinese imports, effectively locking Chinese sellers out of the US market. Add in a crackdown on the so-called de minimis loophole, which currently allows goods under $800 to enter the US without customs paperwork or tariffs, and the message to Chinese exporters is clear: it’s about to get expensive.

Why it matters for Meta

For Meta, the timing couldn’t be worse. The company has leaned hard into Chinese ad spend as a revenue driver post-2022, at a time when regulatory scrutiny in its home markets was growing and TikTok was stealing mindshare among younger users. According to MoffettNathanson, Meta pulled in $11bn in ad revenue from Chinese advertisers in the past two years alone. A big chunk of that – an estimated $7bn – is now at risk if Trump’s trade policy goes into full effect.

The situation exposes a structural vulnerability: Meta’s fastest-growing revenue stream depends on the ability of Chinese e-commerce brands to cheaply and rapidly ship goods to US consumers. Tariffs and shipping regulations upend that model – and the demand for ads along with it.

“China’s importance to Meta’s business cannot be overstated,” MoffettNathanson analysts wrote in their note to clients. They also flagged a broader risk: if China’s economy slows further, Meta’s exposure deepens. In a prolonged downturn, losses could swell to $23bn, they warned.

Performance marketing meets geopolitical reality

This isn’t just a case of Trump-era protectionism pinching ad budgets. It’s a wake-up call for performance marketing platforms – Meta included – about the geopolitical fragility baked into their business models.

Meta, for now, has remained tight-lipped. It declined to comment on the estimates and hasn’t made any public statement on the potential ad fallout. But, with Q1 earnings due next week, analysts and investors will be watching closely for any sign of wobble.

The bigger question is whether this marks the beginning of a shift away from global arbitrage-based growth. Platforms like Meta have thrived on allowing anyone,

anywhere, to sell anything to anyone – so long as they can pay to reach them. Tariffs and trade barriers chip away at that promise.

For advertisers, this could be the start of more regionalised targeting strategies. For Meta, it may mean rethinking where future growth will come from – and just how much geopolitical risk is priced into the algorithm.

So is Meta worried? Maybe. But the market clearly isn’t.

At the time of writing, Meta’s share price was up – hardly the sign of a company in crisis. That suggests investors have either already priced in the potential hit or are banking on Meta’s resilience. After all, this is a company that’s weathered privacy crackdowns, regulatory heat and multiple pivots without losing its stride.

And there’s always the chance that the tariffs, like many a Trump proposal, remain more bluster than policy. For now, the markets are taking a ‘wait and see’ approach. But if $7bn really does go up in trade war smoke, Meta’s next earnings call could sound very different.