Despite the widespread belief that women talk more than men, most of the available evidence suggests just the opposite. When women and men are together, it is the men who talk most.
Language Myth #6: Women Talk Too Much
Men are almost three times as likely to interrupt women as they are to interrupt other men. […] Women interrupt each other constantly, and almost never interrupt men.
Do men interrupt more than women? Yes, they do.
Women actually tend to talk less than men in classroom discussions, professional contexts and even romantic relationships; one study found that a mixed-gender group needed to be between 60 and 80 percent female before women and men occupied equal time in the conversation.
If there's 17 percent women, the men in the group think it's 50-50. And if there's 33 percent women, the men perceive that as there being more women in the room than men.
Casting Call: Hollywood Needs More Women
Male justices interrupt the female justices approximately three times as often as they interrupt each other during oral arguments.
Female Supreme Court Justices Are Interrupted More by Male Justices and Advocates
Men consistently perceive greater gender parity than women when it comes to key workforce milestones like recruitment, promotions or appointment to leadership positions.
The great disappearing act: Gender parity up the corporate ladder
In the final presidential debate on Wednesday night, Donald Trump was true to form — he interrupted Hillary Clinton 37 times. Clinton only interrupted him nine times.
Trump interrupted Clinton 37 times. Clinton interrupted Trump 9 times.
Female staffers adopted a meeting strategy they called “amplification”: When a woman made a key point, other women would repeat it, giving credit to its author. This forced the men in the room to recognize the contribution — and denied them the chance to claim the idea as their own.
White House women want to be in the room where it happens
When women constituted 20 percent of a decision-making body that operates by majority rule, the average woman took up only about 60 percent of the floor time used by the average man. Women were perceived — by themselves and their peers — as more quiescent and less effective. They were more likely to be rudely interrupted.
More Women, but Not Nearly Enough
see also is it a pipeline problem? and are women bad at coding? as well as do women talk more?