For years, Snapchat owned the youth market. Its disappearing messages and goofy filters made it the default app for teenagers and college students. That audience, however, is not infinite. And it turns out, building a business on a demographic that ages out of your product is a fragile bet.
Pinterest now sits in third place among U.S. social platforms. The image-pinning service closed 2019 with 82.4 million monthly active users in the United States, according to eMarketer. Snapchat finished the year at 80.2 million. The gap is small but the trajectory is not. Pinterest added 6.9 million U.S. users over the course of the year. Snapchat added fewer than one million. That is not a stumble. That is a stall.
The numbers come from eMarketer’s final quarterly tally, released January 19. Pinterest’s 9 percent surge erased the lead Snapchat held at the start of 2019. The researcher’s model shows Pinterest gained users in every adult age bracket. The fastest growth came among Americans 35 and older. Snapchat, by contrast, remained concentrated in the 13-to-24 age range and actually lost marginal share in the 25-to-34 segment.
What is at stake here is advertising revenue. Snapchat has spent years trying to convince advertisers that its young, hard-to-reach audience is worth premium prices. That argument works only as long as the audience is growing. When growth stalls, the pitch weakens. Pinterest, meanwhile, has been quietly building a case that its users arrive with buying intent. The service spent 2019 turning inspiration into shopping clicks. Lens visual search, Shop the Look pins and a redesigned catalog upload tool let merchants turn every post into a checkout opportunity. The company also widened its content mix, encouraging creators to upload short DIY videos.
eMarketer forecasting analyst Nazmul Islam put it plainly in the note released alongside the figures. “While Snapchat has a young core audience that it caters to, Pinterest has a more universal appeal, and it’s made significant gains in a wide range of age groups.” The shift, he added, was “less about Snapchat losing fans than about Pinterest expanding the definition of a social network.”
That expansion matters. Pinterest started in 2010 as a virtual pinboard for recipes and home décor. It still does that. But the company has quietly repositioned itself as a visual search engine with a shopping cart attached. Users come to plan weddings, renovate kitchens, find outfits. They are not just killing time. They are making decisions. That kind of intent is valuable to retailers. It is valuable to advertisers. And it is something Snapchat, for all its cultural cachet, has never been able to replicate at scale.
The demographic tilt tells the story in raw numbers. Pinterest added 6.9 million U.S. monthly active users during the year. Snapchat added fewer than one million. Pinterest’s consistent double-digit percentage gains in every quarter erased Snapchat’s lead by December. The 82.4 million figure edges out Snapchat’s 80.2 million. Third place now belongs to the pinboard.
For Snapchat, the challenge is not existential. The app still has a loyal young core. But that core is not getting bigger. And advertisers follow growth. If Pinterest keeps adding seven million users a year while Snapchat adds one million, the gap will widen. The stakes for Snapchat are clear: find a way to hold older users, or watch the rankings shift further.







