15 Key Slack Statistics You Haven’t Seen Yet (2023)

As a consultant helping small businesses streamline teamwork and collaboration, I‘ve seen firsthand how Slack can become a game-changing platform for effective communication. Here are 15 compelling Slack statistics that showcase its meteoric rise and potential:

Rapid User Growth

  1. 42.7 million daily active users. Slack has seen incredible growth since its launch in 2014, amassing millions of loyal individual users. [1]
  2. 80% of Fortune 100 companies use Slack. Its tremendous value for enterprise collaboration is evidenced by heavy adoption among the world‘s largest firms. [2]
  3. The average user spends over 9 hours daily on Slack. They‘re clearly deriving significant productivity benefits from its flexibility. [3]
  4. 600,000+ organizations actively use Slack already. From small startups to large enterprises, they appreciate Slack‘s scalability. [4]

Slack‘s Market Dominance

  1. Slack has over 22.75% market share, dwarfing rivals like Microsoft Teams (2.25%). [5]
  2. 46% of Slack‘s customer base is in the United States. But it has presence in 150+ countries globally. [6]
  3. The IT services industry accounts for 25.7% of Slack customers, followed by software (24%). [7]
  4. 156,000+ companies are paying Slack customers already. The number of paid accounts has grown 3X since 2017. [8]

Financial Growth

  1. Slack was valued at $27 billion during its 2020 acquisition by Salesforce. [9]
  2. Annual revenues hit $902 million in 2021, a 42% increase from 2020. [10]
  3. Over 3 million users pay for Slack currently, showing its premium features have real demand. [11]

Why Teams Love Slack

  1. 70% of employees say new tools for collaboration make work easier. Slack integrates thousands of apps seamlessly. [12]
  2. 80% report it has reduced emails, meetings and other redundancies for them. This saves working hours each week. [13]
  3. 64% say Slack improves their customer experience and support. Happy customers are the heart of any small business. [14]
  4. 49% confirm Slack helps cut costs and increase efficiency. Optimizing resources gives small teams an advantage. [15]

As the above statistics show, Slack has quickly become a communication lifeline for all types of businesses. Its meteoric rise proves its ability to facilitate transparency, productivity and teamwork. I firmly believe integrating Slack can help any entrepreneur‘s small outfit punch above its weight class.


  1. Demand Sage
  2. Earth Web
  3. Demand Sage
  4. Slack
  5. Earth Web
  6. Statista
  7. Actioner
  8. Company Data
  9. Statista
  10. TechReport
  11. Slack
  12. Slack
  13. Forrester Consulting
  14. Forrester Consulting
  15. Forrester Consulting