This startling statistic is something that's prompting guys across the globe to paint their nails from 1-15 October in order to raise awareness of, and help end, violence against children.
The Polished Man campaign, which encourages men to paint a single fingernail to raise awareness of child abuse, was set up by Elliot Costello.
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Thea painted hers and Costello's nails blue, which inspired the campaign
Costello was inspired to launch the movement after meeting a young girl at Hagar International in Cambodia who had been sexually and physically assaulted.
Due to the language barrier, Costello couldn't communicate with the girl, called Thea, but they could play games.
At the end of the evening, Thea drew a heart on Costello’s palm and painted all his fingernails blue.
The following day, he learned of how Thea came to be in Hagar’s care.
When she was eight, her father, the family’s sole provider, passed away, and her mother sent Thea to an orphanage, hoping to give her safe refuge. It was there that Thea was physically and sexual assaulted by the orphanage’s director on a daily basis for two years.
Costello found the polish Thea had painted onto his nails made him feel a little uncomfortable at first, but he soon came to realise it created the perfect opportunity to talk about ending violence against children.
Last year, the Polished Man campaign reached 58 million people and raised $250,000. This year, they hope to extend the message further.
"We believe that men all over the world have a leading role to play in ensuring children feel safe and reach their full potential," said Costello.
Here are just some of the guys taking part...
Paint your fingernail and take a picture with the hashtag #PolishedMan. Donate at www.polishedman.com.
3: The number of women murdered every day by a current or former male partner in the U.S. (credit:Shutterstock / LoloStock)
(02 of27)
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38,028,000: The number of women who have experienced physical intimate partner violence in their lifetimes.
(03 of27)
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Women with disabilities are 40 percent more likely to experience intimate partner violence -- especially severe violence -- than women without disabilities.
(04 of27)
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4,774,000: The number of women in the U.S. who experience physical violence by an intimate partner every year. (credit:diego cervo)
(05 of27)
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Every minute 20 people are victims of intimate partner violence.
(06 of27)
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18,000: The number of women who have been killed by men in domestic violence disputes since 2003. (credit:Getty Images)
(07 of27)
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1 in 7: The number of men who will be victims of severe violence by an intimate partner in their lifetimes.
(08 of27)
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Worldwide, men who were exposed to domestic violence as children are three to four times more likely to perpetuate intimate partner violence as adults than men who did not experience domestic abuse as children. (credit:Shutterstock / luxorphoto)
(09 of27)
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8,000,000: The number of days of paid work women lose every year because of the abuse perpetrated against them by current or former male partners. This loss is equivalent to over 32,000 full-time jobs.
(10 of27)
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40-45: The percentage of women in physically abusive relationships who are raped and/or assaulted during the relationship.
(11 of27)
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A woman is beaten every nine seconds in the U.S. (credit:Shutterstock)
(12 of27)
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18,500,000: The number of mental health care visits due to intimate partner violence every year.
(13 of27)
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Intimate partner violence is the leading cause of female homicide and injury-related deaths during pregnancy. (credit:Getty Images/Blend Images)
(14 of27)
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2 in 5: The number of gay or bisexual men who will experience intimate partner violence in their lifetimes.
(15 of27)
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50: The percentage of lesbian women who will experience domestic violence (not necessarily intimate partner violence) in their lifetimes.
(16 of27)
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81: The percentage of women who are stalked by a current or former male partner who are also physically abused by that partner. (credit:Shutterstock / Andrew Lever)
(17 of27)
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Women who are victims of domestic violence are eight times more likely to be killed by intimate partner if there are firearms in the home.
(18 of27)
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70: The percentage of women worldwide who will experience physical and/or sexual abuse by an intimate partner during their lifetimes.
(19 of27)
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98: The percentage of financial abuse that occurs in all domestic violence cases. The number one reason domestic violence survivors stay or return to the abusive relationship is because the abuser controls their money supply, leaving them with no financial resources to break free. (credit:Shutterstock / Skylines)
(20 of27)
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Black women experience intimate partner violence at rates 35 percent higher than white women.
(21 of27)
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$5,800,000,000: The estimated cost of incidents of intimate partner violence perpetrated against women in the U.S. in 1995 alone.
(22 of27)
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21: The number of LGBT people murdered by their intimate partners in 2013. Fifty percent of them were people of color. This is the highest documented level of domestic violence homicide in the LGBT community in history. (credit:Alamy)
(23 of27)
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2.6x: The amount of times more likely a transgender person of color is to become a victim of intimate partner violence than a non-LGBT person.
(24 of27)
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Domestic violence is the third leading cause of homelessness among families.
(25 of27)
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70x: The amount of times more likely a woman is to be murdered in the few weeks after leaving her abusive partner than at any other time in the relationship. (credit:Hemera Technologies)
(26 of27)
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10,000,000: The number of children exposed to domestic violence every year.
(27 of27)
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25: The percentage of physical assaults perpetrated against women that are reported to the police annually.