Most Popular Social Media Platforms by Users

Data

Note: The Most Popular Social Platforms in the World

What MAUs Actually Mean

When people talk about how big a social platform is, they usually quote MAUs, which stands for monthly active users. That means the number of people who opened the app or site at least once in the last month. It is not the same as downloads or registered accounts, and it counts real activity, which is why companies and advertisers trust it. To be a top social platform, you need billions of these, not just millions.

The Big Players by Numbers

Facebook is still the biggest social network on earth, with roughly 3 billion monthly active users, close to 40 percent of the whole human population. YouTube is right behind it, also around 2.5 billion users, though it is technically a video platform more than a social network. WhatsApp and Instagram, both owned by Facebook's parent company Meta, each sit above 2 billion users. Then come TikTok, WeChat, and X, formerly known as Twitter, which all have big but smaller audiences in the hundreds of millions to over a billion.

Regional Champions

Different parts of the world use very different platforms. WeChat is the absolute king in China, where it is not just a chat app but a whole digital life: people use it to pay for groceries, book doctors, and send money, and nearly every adult in China has it. Facebook and Instagram are blocked in China entirely. In the US and Europe, Facebook, Instagram, YouTube, and TikTok dominate, while in places like Brazil and India, WhatsApp is the main way people talk to each other every day.

Short Video and the Rise of TikTok

TikTok is the fastest growing platform in the world and completely changed how social media works. Before TikTok, feeds were mostly text and photos. TikTok made short looping videos the default, and its recommendation algorithm is scarily good at showing you things you will enjoy. That pushed Instagram to copy it with Reels and YouTube to push Shorts, so now every major platform looks a little like TikTok. It took TikTok only a few years to reach over a billion users, faster than any other app in history.

Business Use and Advertising

Social platforms are not just for fun. They are giant advertising machines. Facebook and Instagram together make most of Meta's money, which is over 100 billion dollars a year, almost all from ads. YouTube shares ad revenue with creators, turning video making into a real career. Businesses of every size now sell directly inside the apps, from small shops running Instagram shops to big brands running full campaigns on TikTok. Free to use for users, these platforms make their fortune by selling your attention to advertisers.

Fun Facts

• Facebook was started in 2004 in a Harvard dorm room by Mark Zuckerberg and his roommates.
• WhatsApp sends over 100 billion messages every single day, more than any other chat app.
• TikTok is owned by the Chinese company ByteDance, and its Chinese version is called Douyin.
• YouTube started in 2005 and the first video, called "Me at the zoo," is still online today.
• Instagram began as a photo app with square photos and filters, a nod to old Polaroid cameras.
• WeChat has over a billion users, and in China it is used for everything from chatting to paying rent.
• X, formerly Twitter, was famous for its 280 character limit and is used heavily by news, sports, and politicians.
• More people now use social media every day than the entire population of every country except China and India.