How Long it Took for Popular Apps to Reach 100 Million Users

Of Twitter’s many new rivals, Meta’s newest social media platform Threads has established its presence with a bang.

According to Meta founder Mark Zuckerberg, Threads took only 5 days to reach the key threshold of 100 million users. It achieved this milestone through organic demand—and no paid promotions required—smashing all previous records.

But how long have other popular platforms—TikTok, Instagram, and YouTube to name a few—taken to build their user base? In this graphic, we rank how long it took popular platforms to get to 100 million users.