There were a total of 33,831 disclosures of domestic violence, including coercive control, made to Women's Aid last year, according to its latest annual report.
They included 28,096 disclosures of abuse against women and 5,735 disclosures of child abuse in the context of domestic violence.
Among the disclosures, a total of 19,902 related to emotional abuse, 4,707 to physical abuse, 1,104 to economic abuse, 2,383 to sexual abuse, and 5,735 to child abuse in the context of domestic violence.
Women's Aid said there were 26,906 contacts with its 24-hour freephone helpline, its instant message support service and with face-to-face services last year.
While there was a fall in the number of calls responded to by the helpline team last year compared to 2020, calls in 2021 were longer.
The report shows there was an 8% increase in the time spent by the helpline team speaking to people.
In 2021, the team responded to more than 21,100 contacts of direct support compared to 24,100 calls the previous year.
Women's Aid Chief Executive Sarah Benson said there were more calls at night.
"Women were reaching out for support, understanding, and the space to make sense of what their partners or ex-partners were doing to them," she said.
"Indeed, contacts to all our services in 2021 revealed ever more complex cases, and deep levels of distress, fear and isolation, exacerbated by the Covid-19 pandemic."
The organisation has said that systems responsible for protecting victims of domestic violence are under extreme pressure and that the Government needs to act urgently to increase the safety of vulnerable women and children.
Minister for Justice Helen McEntee is currently working on a whole-of-Government strategy to combat domestic, sexual and gender-based violence.
The plan will focus on prevention and on ensuring victims are better supported.
The chairperson of Women's Aid has appealed to men to do more to achieve a "zero tolerance" of violence towards women.
Ailbhe Smyth said "there is an increased recognition in Irish society that domestic abuse and all forms of male violence against women are not women's issues, but an issue for men, too".
She called for "more men to become allies in creating zero tolerance of all forms of violence women, including domestic abuse".
"Now is the time to be brave and ambitious."
'Your whole life is changed'
Sarah Behan is a survivor of domestic abuse.
In 2016, the Dublin woman's then partner assaulted her and was later convicted.
She said being a victim of domestic violence "has awful effects" on the person’s life.
"Your whole life is changed, your whole personality is changed, you're not the same person at all," she said.
"It impacts your whole family, it impacts everyone around you, even your day to day, you're constantly on edge. It takes a long time to come back in yourself and it really has awful effects," she added.
Ms Behan said it is horrendous because "so many people just feel this horrible shame and they don't want to admit that their life isn't perfect behind closed doors".
She is urging victims of domestic abuse to come forward to seek help and to report the incidents.
"It's important that women do come forward because they're not just helping themselves, they're helping other people in the future as well," she added.
She said "it seems like there's no end but there is" added she is now in a good place.
"I was in an awful situation but there's always a way out and with the right help you can get out, and things get a lot better," she said.
Additional reporting Fergal O'Brien
