Here are some of the more impressive Slack statistics I’ve been able to dig up recently. As always, be sure to check back in the future as I will be updating this post as new and updated stats become available.
The team messaging app Slack has only been around for about a year, but it has certainly created quite a stir among influencers in its short existence. While it only has a few million daily users currently (a relatively small user tally these days), those who use Slack rave about the product and its user engagement stats are very impressive.
Slack stands poised to grow and become a real player in the enterprise group collaboration and chat market in 2019, so I wanted to take a quick look at some of their early numbers.
This report is available in an annual industry report. Some of the data in industry reports include:
- Users
- Demographics
- Revenue
- Growth
- Etc.- all in one place
I try to go through each and every stat regularly and update as much as possible, but we all know that some stats are easier to track down than others. As always, every stat is linked to its original source and has the source date listed.
To get your copy of the report, click on the button below to purchase it.
Report 1: Unicorn Companies Report (Airbnb, Buzzfeed, Pinterest, Slack and WordPress).
Slack Facts
- Slack Website: slack.com
- Slack Launch Year: 2013
- Slack Headquarters: San Francisco, CA
- Slack Founder: Stewart Butterfield
- What is Slack?
Slack brings team communication and collaboration into one place so you can get more work done, whether you belong to a large enterprise or a small business. Check off your to-do list and move your projects forward by bringing the right people, conversations, tools, and information you need together. Slack is available on any device, so you can find and access your team and your work, whether you’re at your desk or on the go. (source)
Slack Statistics
How many people use Slack?
Last updated 5/30/19
Number of Slack weekly active users:
Last updated 5/5/18
Number of messages sent weekly on Slack:
Last updated 5/31/19
Number of paid Slack accounts:
Last updated 5/22/18
Number of organizations that use Slack:
Last updated 5/13/19
Number of teams that use the free version of Slack:
Last updated 5/13/19
Number of daily active Slack users when it launched in February 2014:
Number of paid teams on Slack:
- 2019: 88,000 teams (Last updated 5/30/19)
- 2018: 59,000 teams
- 2017: 37,000 teams
Average amount of time users are active on Slack on weekdays:
Last updated 5/31/19
Percentage of the Fortune 100 that pay for Slack:
Last updated 5/5/18
Average amount of hours Slack users stay plugged into it on a weekday:
Last updated 4/1/16
Number of developers that use Slacks API weekly:
Last updated 5/22/18
Percentage of Slack daily users that are from outside the US:
Last updated 5/31/19
Number of Slack employees:
Last updated 4/30/19
Amount of funding Slack has reported raised to date:
Last updated 8/21/18
Slack’s reported valuation:
Last updated 8/21/18
Amount of time that Slack users spend on it weekly:
Last updated 5/31/19
Number of apps for Slack app directory:
Last updated 5/31/19
Number of Slack Enterprise Grid customers:
Last updated 1/31/18
Number of countries that Slack has users in:
Last updated 5/31/18
Percentage of Slack users that say it improves their communication and collaboration inside their organization:
Last updated 5/31/19
Slack paid customer counts (annual):
- Year ended January 31, 2019: 88,000
- Year ended January 31, 2018: 59,000
- Year ended January 31, 2017: 37,000
Slack revenue (annual):
- Year ended January 31, 2019: $400.6 million
- Year ended January 31, 2018: $220.5 million
- Year ended January 31, 2017: $105.2 million
Slack net loss (annual):
- Year ended January 31, 2019: $138.9 million
- Year ended January 31, 2018: $140 million
- Year ended January 31, 2017: $146.9 million
Number of monthly messages sent on Slack:
1.5 billion
Last updated 2/24/16
Top city (globally) for Slack usage:
Last updated 2/12/15
Number of apps that have been developed for Slack:
Last updated 12/15/15
Top country for Slack usage:
Last updated 2/12/15
Top city (outside of U.S) for Slack usage:
Last updated 2/12/16
Slack retention rate for paid users:
Last updated 4/16/15
Number of people in Tokyo that use Slack:
Last updated 9/12/17
Number of people in London that use Slack:
Last updated 9/12/17
Number of people in Berlin that use Slack:
Last updated 9/12/17
Number of people in New York City that use Slack:
Last updated 9/12/17
Slack’s weekly active users growth rate:
Last updated 1/19/15
Total number of hours Slack users collectively spend on it monthly:
Last updated 2/12/15
Maximum number of Slack users logged in at the same time:
Last updated 10/27/15
Most configured Slack integration
Last updated 2/12/15
Number of Slack integrations to date:
Last updated 6/24/15
Percentage of Slack users that say it improves transparency and culture in the office:
Last updated 7/14/15
Average reduction in office email that Slack users see:
Last updated 7/14/15
Average reduction in office meetings that Slack users see:
Last updated 7/14/15
Average increase in team productivity that Slack users see:
Last updated 7/14/15
Percentage of Slack users that say it makes finding information easier for them:
Last updated 7/14/15
Percentage of Slack users that say it improves team culture:
Last updated 7/14/15
Percentage of Slack managers that are women:
Last updated 2/3/16
Percentage of Slack employees that are women:
42.9%
Last updated 2/3/16
Average number of monthly app installs from the Slack app Directory:
Last updated 10/20/16
Number of third-party app installs on Slack to date:
Last updated 9/12/17
Percentage of Slack customers that use integrations:
Last updated 9/27/16
Number of Slack offices:
7 offices
Last updated 10/20/16
Average number of times a Google Drive file is imported into Slack each weekday:
Last updated 12/7/16
Number of bots in the Slack App Directory:
900 bots
Last updated 2/7/17
Percentage of Slack paid teams that are actively using at least one app:
Last updated 4/11/17
Reported amount Amazon was willing to pay for Slack in June 2016:
Number of Slack users in Tokyo:
Last updated 7/19/18
Number of Slack users in Japan:
Last updated 7/19/18
Number of Slack paid subscribers in Japan:
Last updated 7/19/18
This report is available in an annual industry report. Some of the data in industry reports include:
- Users
- Demographics
- Revenue
- Growth
- Etc.- all in one place
I try to go through each and every stat regularly and update as much as possible, but we all know that some stats are easier to track down than others. As always, every stat is linked to its original source and has the source date listed.
To get your copy of the report, click on the button below to purchase it.
Report 1: Unicorn Companies Report (Airbnb, Buzzfeed, Pinterest, Slack and WordPress).
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