The fastest-growing social media platform globally in 2024 and continuing into 2025 is Instagram, with a user base growth of 25.3% year-over-year

. TikTok also remains a major growth leader, with a 14% year-over-year increase and 1.8 billion monthly active users, maintaining its position as a dominant platform for short-form video content

. In the United States specifically, BeReal is the fastest-growing platform with an explosive growth rate of 313%, followed by Twitch (29%) and LinkedIn (20%)

. Additionally, Meta's Threads has shown rapid growth, reaching 285 million monthly active users with a 63% year-over-year increase, marking it as a significant newcomer in social media growth in 2025

. To summarize:

• Globally fastest-growing: Instagram (25.3% growth)

• Major global growth contender: TikTok (14% growth, 1.8 billion users)

• Fastest-growing in the US: BeReal (313% growth)

• Notable rapid growth: Threads by Meta (63% growth)

These platforms are leading the growth charts due to their strong engagement, innovative content formats, and expanding user bases worldwide