Source: The State of Business Communication by the Grammerly Business Team / The Harris Poll. (2023)
https://www.grammarly.com/business/business-communication-report --
"the study estimates a $1.2 trillion annual loss among U.S. businesses due to poor communication—or approximately $12,506 per employee every year."
"This study was conducted by The Harris Poll on behalf of Grammarly Business from October 14 to 31, 2022,
among 1,001 knowledge workers and 251 business leaders.
It also references findings from a similar study conducted from October 1 to 12, 2021, among 1,001
knowledge workers and 251 business leaders.
Previous Source (less conversative): David Grossman, The Holmes Report, July 2011
The total estimated cost of productivity losses resulting from communication barriers per employee, per year, = $26,401.