Slack Statistics 2026: Latest Users, Revenue Stats

Slack has evolved from a workplace messaging tool into a central hub for team collaboration, project management, and cross-department communication. Companies use Slack to coordinate remote teams, automate workflows, and integrate apps like Google Drive, Salesforce, and GitHub into daily operations. For example, software teams rely on Slack channels to manage deployments and incident responses, while marketing teams use it to coordinate campaigns in real time.

Understanding Slack’s growth, usage patterns, and market position helps businesses evaluate collaboration tools more effectively. The statistics in this article highlight how Slack adoption, engagement, and revenue have changed in recent years and what they reveal about the future of workplace communication.

Editor’s Choice

• Slack surpassed 32 million daily active users in 2023, reflecting steady adoption among global organizations.
• The platform reported over 156,000 paying customers as of 2023.
• Slack generated $1.7 billion in revenue in fiscal year 2023 before its integration into Salesforce operations.
• More than 2,600 apps are available in the Slack App Directory, enabling integrations with major business tools.
• Organizations send billions of messages weekly across Slack channels and direct messages.
• Slack users spend an average of 90 minutes actively using the platform daily, highlighting high engagement levels.
• Over 80% of Fortune 100 companies use Slack to support internal collaboration.

Recent Developments

• In 2021, Salesforce completed its $27.7 billion acquisition of Slack, integrating the platform into its enterprise ecosystem.
• Slack introduced Slack AI features in 2023, including conversation summaries and intelligent search capabilities.
• The platform launched Canvas in 2023, a collaborative workspace within channels for documentation and planning.
• Slack expanded Huddles, allowing teams to move from chat to lightweight voice and video conversations.
• Salesforce integrated Slack with Customer 360, enabling CRM data sharing directly within channels.
• Slack rolled out GovSlack for government agencies, addressing compliance and security requirements.
• Slack added workflow automation tools, enabling users to create automated processes without coding.
• In 2024 updates, Slack enhanced enterprise search and AI-driven knowledge discovery, helping teams retrieve past discussions and documents faster.
• Slack expanded integrations with tools such as Zoom, Asana, and Atlassian, improving cross-platform collaboration.
• Slack continues to invest heavily in security and compliance frameworks such as SOC 2 and HIPAA readiness.

Overview of Slack

• Slack’s app ecosystem is highly extensive, with the Slack App Directory offering over 2,400 apps as of March 2023, allowing businesses to integrate tools for productivity, automation, and collaboration.
• Slack Connect adoption is significant, with 91,000 customers using Slack Connect in Q1 of the 2022 fiscal year, enabling organizations to collaborate securely with partners, vendors, and clients across different companies.
• The United States dominates Slack usage, as the majority of companies that use Slack are based in the U.S., highlighting the platform’s strong penetration in the American business and tech ecosystem.
• Slack generated strong profitability, reporting a GAAP gross profit of $234.1 million in Q1 2022, reflecting the platform’s growing enterprise adoption and subscription revenue.
• Slack maintains notable mobile visibility, with the Slack Android app ranking 92nd by traffic in the United States as of March 14, 2023, indicating steady user engagement on mobile devices.
• Slack’s mobile downloads continue to grow, with the Android app surpassing 10 million downloads by March 2023, showing strong adoption among mobile users and remote teams.

Key Slack Statistics

• Slack hosts millions of active workspaces globally, representing teams across diverse industries.
• The platform records billions of weekly actions, including messages, file uploads, and app interactions.
• Slack supports multiple languages across more than 150 countries, enabling global adoption.
• Around 65% of Slack users access the platform daily, indicating consistent engagement.
• Teams create millions of channels, which serve as primary collaboration spaces for projects and departments.
• Slack processes billions of API calls monthly, driven by integrations and automation workflows.
• The Slack App Directory includes thousands of integrations spanning project management, CRM, analytics, and development tools.
• Slack supports enterprise-grade security features, including encryption, SSO, and compliance certifications.
• Organizations using Slack report significant improvements in team communication and response time.

Number of Organizations Using Slack

• Slack’s own data shows 200,000+ paid customer organizations using the platform worldwide.​
• Recent estimates indicate over 215,000 organizations now use Slack in some capacity across industries.​
• Slack grew from 30,000 organizations in 2014 to about 750,000 organizations by 2020, underscoring explosive early adoption.​
• Nearly 80% of Fortune 100 companies rely on Slack for at least part of their internal collaboration.
• More than 100,000 organizations actively use Slack to manage in-house team communication.​
• Over 156,000 organizations are on paid Slack plans, using premium features beyond the free tier.​
• More than 93,000 organizations subscribe to at least one Slack premium offering, with 85% of 1,000+ employee firms using Enterprise features.​
• The computer software and IT services sectors together include over 3,700 companies actively using Slack.​
• Organizations with 20–49 employees form Slack’s largest customer segment, with about 123,981 such companies on the platform.​
• Approximately 60% of startups pay to use Slack, compared with only 12% paying for Microsoft Teams.

Slack User Growth Over Time

• Slack’s daily active users reached 47.2 million in 2025, marking the highest level recorded for the platform.
• The platform saw strong growth from 38.8 million users in 2024 to 47.2 million in 2025, representing an increase of 8.4 million daily users in just one year.
• In 2023, Slack had 32.3 million daily active users, reflecting steady adoption among businesses and remote teams worldwide.
• Slack’s user base expanded significantly between 2022 and 2023, growing from 25.7 million to 32.3 million users, an increase of 6.6 million users.
• In 2021, Slack recorded 19.2 million daily active users, highlighting the platform’s rapid adoption during the rise of remote and hybrid work environments.
• Slack experienced a major surge in 2020 with 12.6 million daily active users, driven largely by the global shift toward digital collaboration tools.
• The platform had 8.7 million daily active users in 2019, meaning Slack’s user base has grown by over 38.5 million users between 2019 and 2025.
• Overall, Slack’s daily active users increased more than 5× in six years, demonstrating the platform’s rapid expansion in workplace communication and collaboration.

Daily Active Slack Users

• Slack reached 32 million daily active users worldwide in 2023, up from about 20 million in earlier years.
• In 2019, the platform had around 10 million daily active users, reflecting rapid early growth.
• Slack users collectively spend more than 90 minutes actively using the platform each workday.
• On average, Slack users remain connected to the platform for up to nine hours per workday.
• Enterprise organizations often maintain thousands of active users within a single Slack workspace.
• Slack users read billions of messages every week across channels and direct messages.
• Active usage tends to peak during weekday working hours in North America and Europe.
• Slack mobile usage continues to grow, contributing significantly to daily active user engagement.
• Large enterprises with distributed teams rely heavily on Slack for real-time communication and incident management.

Monthly Active Slack Users

• Slack reached an estimated 65 million monthly active users in 2023, reflecting sustained growth in enterprise collaboration tools.
• Monthly usage increased from roughly 50 million MAU in 2022, driven largely by hybrid work adoption.
• In earlier years, Slack recorded over 12 million daily users in 2020, translating into tens of millions of monthly active users.
• Slack’s monthly user base expanded significantly during the pandemic as remote teams adopted messaging platforms.
• The platform maintains millions of active workspaces globally, each contributing to monthly activity levels.
• Large organizations often report thousands of employees active monthly within a single workspace.
• Slack’s monthly engagement includes billions of interactions such as messages, integrations, and workflow triggers.
• Mobile usage has contributed significantly to Slack’s MAU growth, especially among distributed teams.
• Slack’s integration ecosystem encourages regular monthly engagement through automated notifications and integrations.

Impact Of Slack On Organizational Team Culture

• A large majority of organizations report a positive cultural impact from Slack, with 79% of respondents stating that Slack improved team culture within their organizations.
• Only 10.6% of respondents said Slack made no difference to their team culture, indicating that most teams experience at least some level of cultural change after adopting the platform.
• Meanwhile, 10.4% of respondents were unsure whether Slack had any effect on their team culture.
• Overall, the data suggests that nearly 4 out of 5 organizations see Slack as a tool that strengthens collaboration and team culture, highlighting its strong role in modern workplace communication.

Number of Paying Customers

• Slack reported 156,000 paying customers in 2023, including thousands of enterprise clients.
• The company had approximately 88,000 paying customers in 2019, showing rapid growth over the following years.
• More than 2,400 enterprise customers spend over $100,000 annually on Slack subscriptions.
• Large enterprises often adopt Slack Enterprise Grid to support tens of thousands of employees across multiple teams.
• Slack’s paid plans include Pro, Business+, and Enterprise Grid tiers, each offering additional security and administrative features.
• Enterprise adoption accelerated after Slack’s integration with Salesforce products.
• Paying customers generate the majority of Slack’s annual revenue through subscription plans.
• Many paying Slack customers integrate the platform with productivity tools such as Google Workspace, Zoom, and Jira.
• Slack continues to focus on enterprise customers as a key driver of long-term revenue growth.

Free vs Paid Slack Users

• Slack operates a freemium model, allowing teams to use basic messaging features without cost.
• A large share of Slack’s user base consists of free-tier users from startups, nonprofits, and small teams.
• Free users can access 10,000 recent messages and limited integrations within a workspace.
• Paid Slack plans provide unlimited message history and enhanced search capabilities.
• Business+ and Enterprise plans include advanced security features such as SSO, data loss prevention, and compliance support.
• Many organizations start with the free version and upgrade once team size and collaboration needs grow.
• Paid customers often use Slack alongside enterprise systems such as Salesforce CRM and Atlassian products.
• Free-tier adoption has played a significant role in Slack’s viral growth across startups and tech teams.
• Upgrading to paid plans typically occurs when teams require advanced administration, security, and compliance features.

Slack Market Position in the Business Communications Market

• Microsoft Teams dominates the market with a 42% share, making it the leading platform in the business communications industry.
• Slack ranks second, holding 18% of the market, positioning it as one of the top collaboration and workplace messaging platforms globally.
• Zoom accounts for 14% market share, reflecting its strong presence due to video conferencing and remote collaboration features.
• Google Chat holds 12% of the market, showing steady adoption among organizations using the Google Workspace ecosystem.
• Platforms grouped under “Other” collectively represent 14%, indicating that smaller communication tools still maintain a notable portion of the market.
• The gap between Microsoft Teams (42%) and Slack (18%) is 24 percentage points, highlighting Microsoft’s strong enterprise adoption advantage.
• Overall, the top two platforms, Microsoft Teams and Slack, control 60% of the market, demonstrating a highly concentrated business communication software landscape.

Slack Revenue Statistics

• Slack generated approximately $1.7 billion in revenue in fiscal year 2023.
• The company reported $1.5 billion in revenue in fiscal year 2022, reflecting steady growth before Salesforce integration.
• Slack’s revenue grew from $630 million in 2019 to more than $1.7 billion within four years.
• Subscription services represent nearly all of Slack’s revenue model, as the platform does not rely heavily on advertising.
• Enterprise Grid customers contribute a large portion of Slack’s enterprise revenue.
• Salesforce integrated Slack revenue into its broader collaboration and CRM ecosystem following the acquisition.
• Slack experienced significant revenue growth during 2020 and 2021 due to remote work demand.
• Average revenue per customer increased as companies adopted higher-tier enterprise plans.
• Slack continues to generate strong subscription revenue through enterprise adoption and platform integrations.

Slack Usage by Company Size

• Companies with 20-49 employees lead Slack usage at 123,981 organizations.​
• 45% of Slack customers have fewer than 50 employees.​
• 46.5% of Slack-using companies have under 200 employees.​
• Companies with 1-10 employees have 1,392 Slack users.​
• 51-200 employee firms account for 899 Slack customers.​
• 77 of Fortune 100 companies (~77%) use Slack.​
• 64% of Slack Enterprise Grid users are large (>1,000 employees).​
• 70% of Slack users work in organizations with fewer than 100 employees.​
• 80% of surveyed startups used Slack in 2023.​
• 21.1% of Slack companies have over 5,000 employees.

Social Media Traffic Sources Driving Visitors to Slack.com

• YouTube generates the highest share of social traffic to Slack.com at 21.07%, making it the largest single social media referral source among major platforms.
• LinkedIn contributes 17.75% of social traffic, highlighting Slack’s strong presence among professionals and workplace communities.
• Twitter accounts for 15.74% of social referrals, showing that real-time conversations and tech discussions play an important role in driving Slack-related engagement.
• Facebook delivers 14.76% of traffic, indicating that general social networking audiences also contribute significantly to Slack’s website visits.
• Reddit contributes 8.71% of social traffic, reflecting Slack’s visibility in online communities, tech forums, and productivity discussions.
• Other social platforms collectively account for the largest share at 21.97%, showing that additional networks and niche communities also drive a substantial portion of Slack.com traffic.

Slack Usage by Region and Country

• North America holds 45% of Slack’s total user base, led by the United States.​
• The United States commands 23.27% of Slack’s website traffic with 44.66 million visits.​
• The EMEA region accounts for 29% of users, with strong adoption in the UK, Germany, and France.​
• Germany has over 750,000 active users, Slack’s top non-English market.​
• Asia-Pacific grew 19% YoY, driven by Japan and Australia tech firms.​
• Japan generates 7.61% of traffic (14.6 million visits), a key APAC market.​
• The United Kingdom has 962 companies using Slack, 15% of paying customers.
• Slack operates in over 180 countries, with daily users in 150+ nations.
• Australia shows 45% penetration among small businesses.​
• India drives double-digit growth in APAC tech hubs.

Slack Usage by Device (Desktop vs Mobile)

• 76% of active weekly Slack users access the platform via mobile devices for iOS or Android.
• Over 70% of total messages are sent by users employing mobile-only or mobile+desktop combinations.​
• More than 20% of weekly actions (over 1 billion out of 5 billion) occur on Slack’s mobile app.
• 32% of daily Slack usage takes place on mobile devices, boosting hybrid work flexibility.
• 23% of overall Slack usage happens on mobile, particularly among sales and operations teams.​
• Desktop accounts for 95.58% of website traffic, while mobile is 4.42%.
• 10 million users access Slack via mobile devices daily in 2025.​

Slack Usage by Industry

• IT and Services represent 13% of all Slack users.​
• Computer Software accounts for 12% of Slack users.
• Marketing and Advertising comprises 7% of Slack users.
• Financial Services has 447 companies using Slack.​
• Higher Education includes 353 institutions on Slack.​
• The retail sector features 225 companies adopting Slack.​
• Nonprofit organizations number 278 using Slack.​
• The technology sector holds 52% market share among small tech firms.​
• Non-tech sectors like healthcare saw 22% YoY growth in Slack usage.​

Slack Message Volume and Activity

• Slack users surpassed 42 million daily active users globally in early 2025.​
• Slack processes over 10 billion messages annually across its platform.​
• Users send an average of 92 messages per user per day in channels and DMs.​
• Daily active users spend an average of 1 hour 42 minutes actively using Slack.​
• Slack handles 30 billion chat messages per day worldwide.​
• Teams sends over 100 million inter-company messages weekly via Slack Connect.​
• Slack’s file sharing exceeds 500 million files annually through the platform.​
• Average enterprise workspaces generate about 2,500 messages per day.​
• Slack Huddles are used in 16% of remote conversations for real-time interaction.​
• Users remain connected to Slack for an average of 9 hours per workday.​

Slack vs Competitor Usage Statistics

• Microsoft Teams leads with 320 million monthly active users as of 2025, far surpassing Slack‘s 79 million.
• Slack projects 47.2 million daily active users by the end of 2025.​
• Teams commands 37% market share in team collaboration tools, while Slack holds 13%.
• 91% of Fortune 100 companies use Microsoft Teams.​
• Around 60% of startups use Slack, compared to 12% for Teams.​
• Slack App Directory features 2,886 apps and integrations.​
• Slack usage in developer teams is 54% higher than Teams.​
• Global collaboration software market to grow from $102.18 billion in 2025 to $261.72 billion by 2035 at 9.86% CAGR.​
• The average company uses over 100 collaboration apps, with 70% pairing chat and video tools.
• Slack achieves 98% enterprise client retention rate in 2025.​

Frequently Asked Questions (FAQs)

Conclusion

Slack has become one of the most influential workplace collaboration platforms in the modern digital workspace. With tens of millions of active users, hundreds of thousands of organizations, and billions of messages exchanged each week, the platform continues to play a central role in how teams communicate and collaborate.

Its growth has been fueled by remote work, enterprise integrations, and its acquisition by Salesforce, which positioned Slack as a digital hub for customer and team interactions. Although competition from tools like Microsoft Teams remains strong, Slack continues to maintain high engagement and strong adoption among technology companies, startups, and distributed teams worldwide.

As organizations increasingly prioritize hybrid work and real-time collaboration, Slack’s ecosystem of integrations, automation tools, and AI-powered features is likely to keep it at the center of workplace communication in the years ahead.