糖心Vlog

Many brands still choose social media platforms based on size alone, assuming the biggest networks will deliver the best results.

At a small scale, that assumption can work. In 2025, however, fragmentation in user behavior, engagement patterns, and retention is reshaping growing social media platforms, and brands that rely on audience size alone waste effort and see declining ROI.

Social media growth now follows different drivers. Monthly active user growth, time spent per user, download velocity, and platform retention determine whether a channel can sustain reach and performance. This guide breaks down the fastest-growing social media platforms in 2025, explains what drives their growth, and shows how marketers can prioritize channels and track performance.

Table of Contents

• Social media usage in 2025
• Top 10 most popular social media platforms in 2025
• Which social media platforms do people spend the most time on?
• Which messaging apps are most popular in 2025?
• Breakout stars: The fastest-growing social media platforms of 2025
• Platforms Losing Momentum in 2025
• How to choose and grow on the right social media platforms

Social media usage in 2025

Social media usage in 2025 remains widespread, but platform concentration and growth patterns continue to shift. use social media worldwide, representing 63.9% of the global population, and social interaction remains the primary reason people aged 16 to 34 use the internet. Older age groups rank social interaction as their second-most-common online activity, reinforcing social platforms as a core digital habit across generations.

Usage volume alone does not tell the whole story. While a small group of platforms still commands the largest audiences, user growth and download momentum increasingly signal where attention is moving next. Recent data from highlights clear leaders in both scale and growth.

Social media usage snapshot (2025)

• YouTube leads global usage with 3.9 billion monthly active users (MAU).
• Facebook follows with 2.1 billion MAU, maintaining scale but slower growth.
• Instagram reaches 1.6 billion MAU and continues to add users.
• Threads, TikTok, and Instagram recorded the highest quarterly MAU growth.
• Threads and Bluesky Social posted the strongest app download growth in the most recent quarter.

This usage data establishes the baseline for evaluating growing social media platforms in 2025, separating platforms that dominate by size from those gaining momentum through adoption and engagement.

The State of Social Media in 2025

Explore the top trends in social media for brands to know and optimize your social strategy.

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• Social Media Shopping
• Social Vs. Search Engine

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Top 10 most popular social media platforms in 2025

The most popular social media platforms in 2025, ranked by total monthly active users, reflect overall reach rather than growth momentum. Data from , , and shows that a small group of established platforms continues to attract the largest global audiences and generate more social media activity.

This list ranks the top 10 platforms by active users, establishing a baseline for platform scale. While these platforms dominate by size, popularity alone does not indicate growth, making it important to compare reach with adoption and engagement trends later in this guide.

1.

YouTube functions as a social media platform through its creator ecosystem, subscriptions, comments, and community interactions. Users create, share, and engage with video content at global scale, making YouTube a core destination for social discovery and entertainment.

YouTube ranks as the second most-visited website in the world, behind Google.com. The platform reaches 3.9 billion monthly active users (MAU) and generates 72.8 billion monthly visits, according to . Users spend an average of 24 minutes and 15 seconds per visit, reflecting strong engagement depth.

Brands also maintain a strong presence on YouTube. 81% of B2C brands and 73% of B2B brands use the platform to distribute content, reach audiences, and support video-led marketing strategies.

2.

Facebook remains one of the largest social media platforms in the world, driven by its massive global user base rather than rapid growth. The platform continues to deliver reach at scale, even as adoption and engagement expand more slowly than on newer platforms.

Facebook reaches 3.07 billion monthly active users (MAU) and generates 12.7 billion monthly visits, ranking as the third-most-visited website globally in 2025. These figures position Facebook as a dominant channel for awareness and distribution.

However, performance expectations continue to shift. One in five marketers plans to reduce Facebook investment in 2025, signaling concerns about efficiency and ROI for some use cases.

This contrast highlights Facebook’s scale advantage, reinforcing why growth and engagement metrics matter when evaluating emerging social media platforms.

3.

Instagram continues to grow in 2025, combining large-scale reach with steady user expansion. The platform increased its user base by 3.47% from 2024 to 2025, reaching 2 billion monthly active users (MAU).

Instagram also ranked as the fifth fastest-growing app in 2025, adding an estimated 40 million users in 2024. The app recorded , reinforcing its position as a mature platform that still attracts new users at meaningful volume. This balance of scale and growth keeps Instagram relevant when evaluating both established and growing social media platforms.

4.

Reddit operates as a discussion-based social platform built around topic-specific communities and threaded conversations. Users engage through posts, comments, and voting, making Reddit a hub for opinion, advice, and peer-driven content.

Reddit reached 1.1 billion monthly active users (MAU) and generated 5.97 billion monthly visits across 2024 and 2025. Strong visibility in search and high community engagement continue to drive user growth and sustained traffic.

5.

TikTok centers on short-form video discovery powered by algorithmic recommendations. The platform drives high-frequency usage and deep engagement through entertainment, trends, and creator-led content.

Despite ongoing regulatory uncertainty in the U.S., TikTok reached 954 million MAU and 2.49 billion monthly visits in 2025. Marketers reported plans to increase investment in TikTok more than any other social platform, reflecting its strong performance in reach and engagement.

6.

X (formerly Twitter) functions as a real-time social network focused on public conversation, news, and commentary. The platform supports short-form posts, replies, and live engagement around current events.

X maintains 586 million MAU and records 4.29 billion monthly visits, despite user churn following its rebrand and ownership changes. A committed user base continues to drive activity, particularly around breaking news and cultural discourse.

7.

Snapchat emphasizes private and semi-private communication through disappearing messages, short-form video, and augmented reality features. The platform prioritizes direct interaction among smaller social circles.

Snapchat reached 850 million monthly users, up from . The platform reported 22 million downloads in December and achieved between September 2024 and February 2025, signaling steady adoption and engagement.

8.

Pinterest operates as a visual discovery platform focused on inspiration, planning, and product exploration. Users interact with content through image-based search, saving, and curated collections.

Pinterest reported , up 6.75% year over year. The platform also recorded 16.9% traffic growth between September 2024 and February 2025, driven by continued demand for visual and lifestyle content.

9.

LinkedIn is a professional social network focused on career development, recruiting, and industry networking. Users engage through posts, messaging, and professional content consumption.

LinkedIn reached 386 million MAU, but engagement remains limited relative to other platforms. Users open the app daily at a 24% rate and spend an average of 48 minutes per month on it.

10.

Threads operates as a text-based social platform integrated with Instagram’s network. The platform focuses on conversational content and public discussion.

Threads surpassed 320 million MAU and continues to add approximately one million signups per day. Rapid adoption in 2023 and 2024 contributed to triple-digit growth, positioning Threads among the fastest-growing social media platforms entering 2025.

Which social media platforms do people spend the most time on?

Time spent measures engagement strength and user retention, not just audience size.

Platforms that sustain longer or more frequent sessions capture more attention and create stronger opportunities for content visibility and monetization.

In 2025, TikTok leads all social platforms in time spent, with users averaging . YouTube follows at 27 hours and 10 minutes per month, driven by longer viewing sessions.

Facebook averages 17 hours and 17 minutes, while Instagram averages 16 hours and 13 minutes per month, reflecting moderate but consistent engagement.

Session behavior varies by platform design. YouTube encourages fewer, longer viewing sessions, while TikTok drives frequent, shorter interactions. Video-first platforms such as TikTok and YouTube also command the highest levels of consumer spending, reinforcing the link between engagement depth and revenue potential.

Which messaging apps are most popular in 2025?

Messaging apps play a central role in digital communication in 2026, extending beyond private conversation into customer engagement, community building, and commerce.

As users grow more selective about algorithm-driven feeds, messaging platforms continue to attract attention through direct, permission-based interaction. These platforms now compete directly with social networks for time spent, engagement, and retention.

Data from recent industry reports, including HubSpot’s State of 糖心Vlog research, shows that messaging app growth correlates strongly with demand for privacy, immediacy, and two-way communication. Brands increasingly treat messaging platforms as owned engagement channels rather than passive distribution tools.

Leading messaging platforms by scale and adoption

Several messaging platforms now rival or exceed social networks in usage and engagement:

• WhatsApp Messenger ranks among the most downloaded apps globally and places near the top for monthly active users and time spent. Strong adoption across regions and a 112% increase in search interest over five years signal sustained global growth.
• Telegram reached 900 million monthly active users and recorded 367% growth in search interest over five years, driven by public channels, large group communication, and international expansion.
• Facebook Messenger serves 1.01 billion monthly active users, maintaining scale through deep integration with Facebook’s social ecosystem and business messaging tools.
• Google Messenger ranks among the fastest-growing messaging apps by MAU, supported by default placement on Android devices and expanded RCS capabilities.
• WeChat reaches , positioning it among the largest social and messaging platforms worldwide, with messaging, payments, and commerce tightly integrated.
• Line grew to 178 million MAU, supported by a 64.2% daily open rate and nearly seven hours of monthly usage per user, reflecting high engagement in key regional markets.

Strategic context for messaging platform growth

Messaging app adoption continues to rise as users seek controlled, low-noise environments. Unlike public social feeds, messaging platforms support direct interaction, faster response cycles, and persistent relationships.

These characteristics make messaging apps particularly effective for customer support, community management, and repeat engagement.

State of 糖心Vlog data indicates that teams adopting messaging channels benefit from higher response rates and stronger retention when messaging integrates with broader CRM and marketing workflows.

Growth tactics for messaging platforms

Effective growth on messaging platforms depends on trust, relevance, and responsiveness. Teams that treat messaging as a broadcast channel typically underperform.

Proven growth tactics include:

• Using messaging for opt-in communication rather than mass promotion
• Prioritizing response speed and conversational continuity
• Integrating messaging platforms with CRM systems to preserve context
• Deploying messaging for customer support, updates, and community engagement
• Centralized inboxes reduce response time and surface engagement patterns. HubSpot 糖心Vlog Hub’s help teams prioritize conversations and identify high-impact interactions across supported messaging channels.

Messaging platforms continue to gain importance in 2026 as brands shift from reach-based distribution toward relationship-driven engagement.

Breakout stars: The fastest-growing social media platforms of 2025

The fastest-growing social media platforms in 2025 are gaining momentum through rapid user adoption, download growth, and rising visibility, even as their total audience remains smaller than that of established networks. These platforms signal where future attention and opportunity may concentrate.

1. Threads

Threads leads platform growth in 2025 by user adoption and download volume. The platform recorded and more than doubled its user base from 130 million to between 2024 and 2025.

[alt text] Threads post interface showing replies from both Threads users and federated Mastodon servers, growing social media platforms

Brand signal: User growth outpaces engagement. Threads reports a 26.2% daily open rate and an average monthly usage of 39 minutes, and X. Brands evaluating Threads should balance reach expansion with current engagement depth.

Best for: Brands with strong POV content, founder voice, or community-led discussion angles.

Pro tip: Track engagement per post and returning interactions, not follower count. Early growth often inflates reach before habit forms.

What we like: Threads rewards early participation in conversation formats and creator-led commentary that can cross-pollinate from Instagram.

Getting Started: How to Use Threads and What to Post

2. TikTok

TikTok ranked as the most downloaded app globally in 2025, with . Data from DataReportal shows TikTok delivered the highest increase in time spent per user and ranked among the top platforms for MAU growth.

Regulatory uncertainty in the U.S. continues to shape brand risk assessment. Even so, marketers plan to increase investment in TikTok more than any other social platform, driven by strong engagement and content discovery performance.

“TikTok is not dead yet. But if your brand has an audience on a platform like TikTok, that is a little bit in flux,” says , Consultant at EAB.

“A lot of people are realizing that they need a backup. Platforms like YouTube are not new, but they’re building so many tools for short-form video. They’re seeing what’s working on TikTok and adapting that so people are willing to spend more time on YouTube. YouTube’s a no-brainer for brands.”

Best for: Brands with repeatable short-form concepts and a testing cadence (multiple posts per week).

Pro tip: Treat 10–15 videos as a test batch. Standardize hooks and CTAs, then scale formats that hold watch time and drive profile actions.

What we like: TikTok accelerates learning through fast feedback loops on hooks, formats, and creator style.

Getting Started:

• How to Use TikTok: A Step-by-Step Guide
• 10 of the Best TikTok Ad Examples (+ Why They’ll Make You Click)
• No One Really Knows What To Expect From TikTok ... But Here's What Marketers Should Know To Stay Alert

3. Reddit

Reddit accelerated user growth between 2024 and 2025, adding and posting , according to SEMrush. The platform benefits from strong search visibility and highly engaged, topic-based communities.

Reddit ranked as the sixth-most-visited website globally in 2025, surpassing . Nearly one-third of users open the app daily, spending close to three hours per month on the platform. Brands that use Reddit to reach customers focus on transparency, relevance, and community alignment.

What we like: Reddit surfaces high-intent conversations and pain-point language, improving messaging across channels.

Best for: Brands with a clear niche audience and the ability to participate transparently.

Pro tip: Lead with usefulness. Educational posts and comment-first participation outperform direct promotion.

Getting Started:

• Reddit 糖心Vlog — How to Make Content Niche Audiences Actually Engage With

4. Tumblr

Tumblr continues to grow in 2025, reaching 612 million microblogs and posting . Nearly 48% of users belong to Gen Z, and users primarily engage with entertainment, fandom, and cultural content.

The platform supports identity-driven and community-based interaction. Visual media, GIFs, and storytelling formats perform strongly, while brand presence remains limited, creating opportunities for differentiated participation.

What we like: Tumblr supports identity-driven communities and fandom culture that thrive on storytelling, humor, and visual remixing rather than performance metrics.

Best for: Brands in entertainment, media, fashion, gaming, or culture-driven categories that benefit from long-tail community affinity rather than immediate conversion.

Pro tip: Prioritize participation over promotion. Reblogs, replies, and culturally fluent posts outperform original brand content that mimics traditional social publishing.

Getting Started: A Conversation with Tumblr: How To Build a Strong, Connected Community

5. Bluesky Social

Bluesky Social expanded rapidly in late 2024 and early 2025, growing from 10 million users to in five months a 174% increase. The platform ranked as the fourth fastest-growing app by downloads in 2025.

Bluesky attracts users seeking decentralized communities, lower toxicity, and greater control over algorithms. Brands exploring the platform benefit most from observation, participation, and community-first engagement rather than overt promotion.

What we like: Bluesky creates early visibility advantages for brands that participate as humans, not publishers.

Best for: Brands building credibility through conversation, commentary, and community presence.

Pro tip: Start with observation. Identify active communities and recurring topics before posting original content.

Getting Started: Bluesky is Now Open to the Public. Should your business be there? [Expert Interview]

Platforms Losing Momentum in 2025

Some platforms show declining visibility or slowing growth in 2025. , previously identified as a breakout platform, dropped out of the top platform discussions and .

While YouTube, Facebook, and Instagram continue to add users, their growth rates remain in the low single digits, reinforcing the difference between scale and momentum.

How to choose and grow on the right social media platforms

Choosing the right social media platforms in 2025 requires evaluating audience behavior, platform momentum, and execution feasibility together. Platform size alone no longer predicts performance. Teams that select platforms based on engagement quality, growth signals, and measurable outcomes outperform those that prioritize reach without a defined operating strategy.

Social media platform decisions now influence not only visibility, but also content efficiency, attribution accuracy, and long-term ROI. As platform dynamics fragment, disciplined selection and focused execution determine whether social efforts scale sustainably.

Teams evaluating multiple platforms often benefit from documenting assumptions and success criteria before investing resources. HubSpot’s helps teams define platform goals, audiences, and metrics in one place, making platform decisions easier to validate over time.

Editor’s note (what tends to work):

In audits of multi-channel social programs, the most common performance gap shows up after platform selection. Teams spread content too thin across too many channels, then misread “reach” as traction. The strongest programs typically limit focus to a small set of platforms, define one primary success metric per platform, and run a consistent testing cadence before expanding.

Making the Right Choice

Effective platform selection starts with aligning business objectives to how users behave on each platform. Growth potential, content fit, and measurement clarity all shape whether a platform supports consistent performance.

1. Audience Presence and Behavior

Audience presence matters only when paired with active engagement. Platforms where users comment, share, and return frequently offer stronger opportunities than platforms with passive or infrequent usage.

2. Platform Growth and Momentum

Rising monthly active users, download velocity, and time spent signal expanding attention. Platforms with positive momentum often deliver lower competition and higher organic reach during early adoption phases.

3. Content Format Alignment

Each platform favors specific content formats, such as short-form video, long-form video, visual discovery, or text-based discussion. Performance improves when content production aligns with native consumption patterns.

4. Competitive Saturation

Highly saturated platforms require greater investment to maintain visibility. Emerging platforms with lower competition can provide earlier traction when content quality and relevance remain high.

5. Measurement and Attribution Capabilities

Platforms that support consistent tracking of engagement, traffic, and conversions enable faster optimization. Clear attribution reduces wasted spend and improves strategic confidence.

What metrics to measure

Performance evaluation depends on tracking metrics that reflect engagement depth and growth sustainability. Vanity metrics alone fail to indicate whether a platform contributes meaningful business impact.

Core metrics include:

• Monthly active user growth
• Time spent per user
• Engagement rate across content formats
• Follower or subscriber growth
• Downstream traffic or conversion contribution

Together, these metrics help differentiate between platforms that generate attention and those that support measurable outcomes.

Tracking these metrics at scale requires consolidation across platforms. HubSpot 糖心Vlog Hub aggregates engagement, traffic, and conversion data across social channels, enabling teams to measure platform impact alongside broader marketing performance and optimize based on comparable signals.

Growth strategies

Sustainable growth on social platforms requires focused execution and platform-native experimentation. Expanding across too many platforms too quickly often reduces consistency and content quality.

Effective growth strategies include:

• Concentrating effort on two to three priority platforms
• Creating content tailored to platform-specific formats
• Pairing organic content with paid distribution to accelerate testing
• Monitoring emerging platforms with limited initial investment

Paid amplification often accelerates learning on social platforms. HubSpot 糖心Vlog Hub , retargeting, and conversion tracking across social channels, allowing teams to and measure downstream impact from a single system.

As social programs scale, execution consistency becomes a constraint. HubSpot 糖心Vlog Hub supports repeatable growth by coordinating publishing, engagement monitoring, and performance reporting in one system, reducing operational friction as teams expand across platforms.

Teams evaluating multiple platforms often benefit from documenting assumptions and success criteria before investing resources. helps teams map platform goals, target audiences, and key metrics in one place, making platform selection easier to validate and revisit over time.

From platform size to platform momentum

Social media performance depends less on choosing the biggest platforms and more on understanding where growth, engagement, and user behavior align.

Platforms with massive reach still matter, but momentum increasingly concentrates in channels that capture time spent, repeat usage, and community interaction, including messaging apps and emerging networks.

Teams that evaluate platforms using consistent metrics, limit early focus, and adapt content to platform-native formats make better long-term decisions than those chasing every new channel.

As platform dynamics continue to shift, disciplined selection and measurement remain the most reliable way to scale social efforts without increasing complexity.

Tools like HubSpot 糖心Vlog Hub support this approach by helping teams evaluate platforms, track performance, and manage engagement in one place, making it easier to adapt as social media continues to evolve.

The State of Social Media in 2025

Explore the top trends in social media for brands to know and optimize your social strategy.

• AI Content Creation
• Community Building
• Social Media Shopping
• Social Vs. Search Engine

Get Your Free Report

Download Free

All fields are required.

You're all set!

Click this link to access this resource at any time.