Slack Statistics and User Count for 2024

Last Updated on: January 6th, 2024

Here are a few of the most interesting Slack statistics and facts I was able to dig up including restaurant count, revenue totals and employee counts. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.

Critical sections of this article:

Slack Facts

Here is pretty much everything you ever wanted to know about Slack.

Slack Statistics user count and Facts 2023Slack is a business communication platform offering many IRC-style features, including persistent chat rooms (channels) organized by topic, private groups, and direct messaging. Designed to facilitate team communication, workflow, and collaboration, it integrates with a wide range of tools and services. With features like document sharing, searchable message history, and customizable notifications, Slack aims to improve productivity and team coordination. It’s widely used by various organizations and communities, favoring a more streamlined and flexible approach to workplace communication and collaboration.

Slack Statistics

Slack User Count

How many people use Slack?

12 million DAU (2020)

Number of weekly active users:

9 million (2018)

Slack Revenue Totals

Slack revenue (annual):

Slack net loss (annual):

Additional Statistics

Number of messages sent weekly:

1 billion (2019)

Number of paid accounts:

3 million (2018)

Number of organizations that use Slack:

750,000 organizations (2020)

Number of teams that use the free version:

550,000 (2019)

Number of daily active users when it launched in February 2014:

16,000 users

Number of paid teams:

Average amount of time users are active on weekdays:

90 minutes (2019)

Percentage of the Fortune 100 that pay for Slack:

65% (2021)

Number of times users have used workflows on them:

4 million times (2020)

Average amount of hours users stay plugged into it on a weekday:

9 hours (2019)

Number of developers that use the API weekly:

200,000 (2018)

Percentage of daily users that are from outside the US:

more than half (2019)

Number of employees:

1,664 employees (2019)

Amount of funding raised to date:

$1.268 million (2018)

Slack’s reported valuation:

$7.1 billion (2018)

Amount of time that users spend on it weekly:

50 million hours (2019)

Number of apps in the app directory:

2,000 apps (2020)

Number of Enterprise Grid customers:

150 (2018)

Number of countries that Slack has users in:

150 (2021)

Percentage of users that say it improves their communication and collaboration inside their organization:

87% (2019)

Slack paid customer counts (annual):

  • Year ended January 31, 2020: 110,000
  • Year ended January 31, 2019: 88,000
  • Year ended January 31, 2018: 59,000
  • Year ended January 31, 2017: 37,000

Number of monthly messages sent:

1.5 billion (2016)

Top city (outside of U.S) for usage:

Tokyo (2016)

Number of people in Tokyo that use Slack:

330,000 (2017)

Number of people in London that use Slack:

196,000 (2017)

Number of people in Berlin that use Slack:

82,000 (2017)

Number of people in New York City that use Slack:

420,000 (2017)

Percentage of managers that are women:

43% (2016)

Percentage of employees that are women:

42.9% (2016)

Average number of monthly app installs from the app Directory:

415,000 installs (2016)

Number of third-party app installs to date:

8.8 million (2017)

Percentage of customers that use integrations:

90% (2016)

Number of offices:

7 offices (2016)

Average number of times a Google Drive file is imported each weekday:

60,000 times (2016)

Number of bots in the App Directory:

900 bots (2017)

Percentage of paid teams that are actively using at least one app:

90% (2017)

Reported amount Amazon was willing to pay for Slack in June 2016:

$9 billion

Number of users in Tokyo:

280,000 Daily Active Users (2018)

Number of Slack users in Japan:

500,000 Daily Active Users (2018)

Number of paid subscribers in Japan:

155,000 (2018)

Please note that some of these numbers are easier to find than others. A few of these statistics come from their own reports, but some are based on news reports and not official company tallies. No information contained on DMR should be relied upon to make investment decisions. Basically, this is the best I can find and I don’t guarantee anything to be 100%.

Related Categories:

Business Statistics, Messaging Apps Statistics, SAAS Statistics

About Craig Smith

DMR Publisher. Director of Marketing by day and I run this little site at night. Other interests include Disney, Sports, 80's Nostalgia, LEGO, Star Wars and Tech Gadgets. Other sites include and