Research & Data

Understanding the scope of domestic violence through evidence-based research helps us build better solutions, advocate for survivors, and drive meaningful change.

1 in 4Women experience severe intimate partner violence in their lifetime
1 in 9Men experience severe intimate partner physical violence
20People per minute are physically abused by a partner in the U.S.
$8.3BAnnual cost of intimate partner violence in the United States

The Scope of Domestic Violence

Data from leading institutions reveals the breadth of this crisis — and underscores why awareness, education, and survivor-centered support are non-negotiable.

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Prevalence in the Home

Domestic violence is the leading cause of injury to women between ages 15 and 44 in the United States — more than car accidents, muggings, and rapes combined.

10 Millionpeople affected by domestic violence each year in the U.S.

Source: National DV Hotline

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Strangulation in Domestic Violence

Non-fatal strangulation is one of the most lethal forms of domestic violence and a critical predictor of future homicide. Survivors who have been strangled are at dramatically elevated risk of being killed by their abuser.

7.5×more likely to be killed — survivors strangled by their partner face 7.5 times higher homicide risk

Source: Training Institute on Strangulation Prevention

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Impact on Children

Children who witness domestic violence are at higher risk of experiencing abuse themselves and of becoming abusers as adults — a cycle that must be broken through early intervention.

3 Millionchildren witness domestic violence in their homes each year

Source: Childhelp National Child Abuse Statistics

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Legal & Justice System

Many survivors face significant barriers to accessing legal protection, including financial dependency, fear of retaliation, and limited access to legal representation.

Only 34%of people injured by intimate partners ever receive medical care for injuries

Source: Bureau of Justice Statistics

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Technology & Digital Abuse

As technology evolves, so does abuse. Stalkerware, location tracking, and online harassment are increasingly used as tools of control and intimidation by abusers.

97%of DV shelters report survivors experience technology-facilitated abuse

Source: Safety Net — National Network to End DV

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Marginalized Communities

Indigenous, Black, and LGBTQ+ individuals face disproportionately high rates of intimate partner violence, compounded by systemic barriers to accessing services and justice.

4 in 5American Indian and Alaska Native women experience violence in their lifetime

Source: National Indigenous Women's Resource Center

Strangulation in Domestic Violence

Non-fatal strangulation is one of the most lethal and least understood forms of domestic violence. It is a critical predictor of future homicide — and it often leaves no visible marks.

7.5× Higher homicide risk for survivors who have been strangled by their partner Training Institute on Strangulation Prevention
50% Of DV survivors report being strangled by an intimate partner at least once Journal of Emergency Medicine
80% Of strangulation cases leave no visible external injury — making documentation critically difficult Strack & McClane, 1999 (replicated in multiple studies)
5 sec Is all it takes to cause unconsciousness — and as little as 10 seconds to cause permanent brain injury Training Institute on Strangulation Prevention
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Medical Consequences

Strangulation causes oxygen deprivation to the brain and can result in serious medical complications that may not appear immediately — sometimes manifesting days or weeks after the assault.

  • Stroke, seizures, and delayed neurological damage can occur days after the incident
  • Internal injuries to the trachea, larynx, and carotid arteries are common but invisible
  • PTSD, memory loss, and cognitive impairment are documented long-term effects
  • Survivors may experience voice changes, difficulty swallowing, and chronic pain

Source: Strack, McClane & Hawley — Journal of Emergency Medicine

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Legal & Law Enforcement Gaps

Because strangulation often leaves no visible marks, it is historically under-prosecuted — frequently charged only as misdemeanor assault despite its life-threatening nature.

  • As of 2023, all 50 U.S. states have enacted felony strangulation laws — a major legislative victory
  • Many first responders lack training to recognize and document strangulation injuries
  • Specialized forensic photography and medical documentation are critical for prosecution
  • Strangulation is now recognized as a key indicator in lethality assessments used by DV advocates

Source: Training Institute on Strangulation Prevention; NCADV

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Who Is Most at Risk

Research consistently identifies patterns in who experiences strangulation in intimate partner violence contexts — and what factors compound the danger.

  • Women are strangled in DV contexts at significantly higher rates than men
  • Strangulation combined with prior threats to kill elevates homicide risk to near-certainty
  • Survivors who are pregnant or have recently separated face the highest lethality risk
  • Abuser access to firearms combined with prior strangulation is a critical red-flag combination

Source: Dr. Jacquelyn Campbell, Danger Assessment; Johns Hopkins University

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Psychological Impact & Coercive Control

Beyond the physical danger, strangulation is a profound act of psychological terror. It communicates a clear message: "I have the power to end your life." This terror is a deliberate tool of control.

  • Survivors report strangulation as one of the most terrifying experiences of their abuse
  • The act is frequently used to demonstrate power and enforce silence or compliance
  • Survivors of strangulation show higher rates of depression, anxiety, and suicidal ideation
  • Many do not disclose the strangulation out of shame, fear, or belief that "no marks" means "no crime"

Source: Glass et al., 2008; Campbell et al., 2003 — American Journal of Public Health

Strangulation & Domestic Violence — Key Statistics

Finding Statistic Source
Homicide Risk Multiplier Strangled survivors are 7.5× more likely to be killed by their partner Training Institute on Strangulation Prevention
Prevalence Among DV Survivors 50% of domestic violence survivors report being strangled at least once Journal of Emergency Medicine
Invisible Injuries 80% of strangulation cases leave no visible external marks Strack & McClane, 1999
Loss of Consciousness Unconsciousness can occur in as few as 5–10 seconds of sustained pressure Training Institute on Strangulation Prevention
Delayed Medical Symptoms Stroke and neurological damage can appear days to weeks after the assault Strack, McClane & Hawley — Journal of Emergency Medicine
Felony Law Coverage All 50 U.S. states now have felony strangulation statutes (as of 2023) NCADV Legislative Tracker
Psychological Impact Survivors of strangulation show significantly higher rates of PTSD, depression, and suicidal ideation Glass et al., 2008 — American Journal of Public Health
Non-Disclosure Rate Many survivors do not report strangulation, believing "no marks" means "no crime" or fearing they won't be believed Training Institute on Strangulation Prevention

What the Research Tells Us

Evidence-based findings that shape how we approach survivor support, prevention, and advocacy at Transcend Trauma.

1

Early Education Reduces Risk

Research shows that school-based programs teaching healthy relationship skills and consent can reduce dating violence by up to 50% among adolescents.

Programs like Safe Dates and Shifting Boundaries have been evaluated in randomized controlled trials and consistently show reductions in both perpetration and victimization of dating violence. The CDC's Dating Matters initiative found that comprehensive prevention programs — when delivered in middle school — can produce lasting behavioral change through high school and beyond. Critically, these programs work best when they involve parents, educators, and the broader community, not just students. Schools that integrate healthy relationship education into existing curricula see greater uptake and retention of skills than one-off workshops. Sources: CDC Dating Violence Prevention · Safe Dates RCT, Foshee et al.
2

Trauma-Informed Care Improves Outcomes

Survivors who receive trauma-informed advocacy and counseling are significantly more likely to achieve long-term safety, stability, and healing compared to those who receive crisis-only intervention.

A landmark 24-month longitudinal study of 278 survivors found that those receiving trauma-informed advocacy reported significantly lower rates of re-victimization, improved mental health scores, and greater housing stability than those receiving standard crisis services. Trauma-informed care recognizes that symptoms like hypervigilance, memory gaps, and emotional dysregulation are normal responses to abnormal situations — not character flaws. Providers trained in this model avoid re-traumatization through language, physical environment, and decision-making processes that center the survivor's sense of safety and control. The approach has also been shown to reduce dropout rates from support programs by up to 40%. Sources: VAWnet Research Library · SAMHSA Trauma-Informed Approach
3

Strangulation Is a Critical Lethality Marker

Non-fatal strangulation is one of the strongest predictors of intimate partner homicide. Survivors who have been strangled by a partner are 7.5 times more likely to be killed by that partner — making it a red-flag emergency requiring immediate intervention.

Research from the Training Institute on Strangulation Prevention and peer-reviewed studies document that strangulation is frequently used as a tool of terror and control — not just physical harm. Because up to 80% of strangulation cases leave no visible marks, the crime is chronically under-identified, under-reported, and under-prosecuted. Medical providers, law enforcement, and DV advocates are now being trained to use structured forensic protocols — including symptom checklists and specialized photography — to document what the eye cannot see. The Danger Assessment tool developed by Dr. Jacquelyn Campbell specifically flags prior strangulation as one of the highest-weighted lethality indicators. Advocates who identify strangulation in a survivor's history must treat it as a crisis-level safety event. Sources: Training Institute on Strangulation Prevention · Danger Assessment — Dr. Jacquelyn Campbell
4

Economic Empowerment Is Protective

Financial abuse occurs in 99% of domestic violence cases. Survivors with access to financial resources, job training, and economic support are far more likely to leave and remain free from abusive relationships.

The National Coalition Against Domestic Violence reports that economic abuse — including destroying credit, sabotaging employment, and controlling all household finances — is the primary reason survivors return to or remain in abusive relationships. Programs that pair emergency financial assistance with long-term economic coaching show remarkable results: one study found that survivors who completed a 12-week financial empowerment curriculum were 3× more likely to maintain independent housing at 12-month follow-up. Microenterprise programs, matched savings accounts (IDAs), and employer partnerships that offer confidential workplace safety planning have all demonstrated effectiveness. Addressing economic insecurity is not a secondary concern — it is a core safety intervention. Sources: NCADV Statistics · Urban Institute — Economic Insecurity & IPV
5

Community Support Networks Matter

Survivors with strong social support — friends, family, faith communities, or peer groups — recover more quickly and report higher long-term wellbeing than those who are isolated.

Social isolation is both a tactic of abuse and a consequence of it. Research published in the Journal of Interpersonal Violence found that perceived social support was the single strongest predictor of post-traumatic growth among domestic violence survivors — more predictive than severity of abuse, length of relationship, or access to formal services. Peer support groups, in particular, provide something professional services cannot replicate: the lived-experience validation of others who truly understand. Faith communities that receive domestic violence training have become powerful referral networks in underserved areas. Online support communities have also emerged as critical lifelines for survivors in rural or isolated settings, with studies showing comparable emotional benefits to in-person groups. Sources: Journal of Interpersonal Violence · National DV Hotline Research
6

Lethality Peaks When Leaving

The most dangerous time for a survivor is when they attempt to leave an abusive relationship. Safety planning with trained advocates dramatically reduces risk during this critical period.

Studies consistently show that homicide risk increases by up to 75% in the weeks immediately following a survivor's attempt to leave. This is not a reason to stay — it is a reason to plan. The Danger Assessment tool, developed by Dr. Jacquelyn Campbell at Johns Hopkins, has been validated across thousands of cases and helps advocates identify high-lethality situations requiring emergency intervention. When survivors leave with a safety plan — including a packed bag, memorized emergency contacts, and a trusted safe location — outcomes improve dramatically. Research also shows that abusers who have access to firearms, who have previously strangled their partner, or who have made explicit death threats represent the highest-risk profiles requiring immediate law enforcement engagement. Sources: Danger Assessment — Dr. Jacquelyn Campbell · OJP — Intimate Partner Homicide Research
7

Coercive Control Predicts Future Violence

Controlling behaviors — monitoring, isolation, financial control — are stronger predictors of severe future violence than physical assault history alone, underscoring the need for early intervention.

Sociologist Evan Stark's groundbreaking framework of coercive control reframed domestic violence from a series of incidents to a sustained pattern of domination. Research now confirms that victims living under coercive control — even without frequent physical violence — experience significantly impaired autonomy, mental health, and quality of life. A 2020 meta-analysis in the Journal of Family Violence found that coercive control behaviors predicted femicide more reliably than physical violence frequency. Several jurisdictions, including England, Wales, and Scotland, have now criminalized coercive control as a standalone offense, and advocacy groups in the U.S. are pushing for similar legislation. Recognizing these patterns early — often before physical violence escalates — is one of the most powerful tools advocates have. Sources: Journal of Family Violence · National DV Hotline — Coercive Control
8

Pets Are Used as Tools of Control

Abusers frequently threaten, harm, or hold pets hostage to prevent survivors from leaving. Fear for a beloved animal is one of the most commonly cited barriers to escape.

Research from the Human-Animal Bond Research Institute and the National Coalition Against Domestic Violence found that 71% of pet-owning survivors reported their abuser had threatened, harmed, or killed their animals. In a survey of women in domestic violence shelters, 48% said concern for their pet's safety delayed their decision to leave — sometimes for months or years. This insight has driven the growth of the Safe Havens for Pets movement, which partners DV shelters with animal shelters and foster families to house pets while their owners seek safety. Studies show that programs offering pet-inclusive shelter options increase the likelihood of survivors leaving and staying safe. Recognizing the human-animal bond as a serious safety consideration — not a secondary one — is now considered best practice in trauma-informed DV advocacy. Sources: NCADV — Safe Havens for Pets · Human-Animal Bond Research Institute
9

The True Scale of Domestic Violence in America

Domestic violence is not a rare or isolated phenomenon — it is a pervasive public health crisis affecting tens of millions of Americans across every demographic, income level, and geography.

According to the CDC's National Intimate Partner and Sexual Violence Survey (NISVS), approximately 1 in 4 women and 1 in 9 men in the United States experience severe intimate partner physical violence, intimate partner contact sexual violence, or intimate partner stalking in their lifetimes. Every minute, an estimated 20 people are physically abused by an intimate partner in the U.S. — that's more than 10 million people per year. Domestic violence accounts for 15% of all violent crime in the country. Women between the ages of 18 and 34 are at the greatest risk of experiencing intimate partner violence, and women of color — particularly Black and Indigenous women — face disproportionately higher rates. Despite these numbers, only 34% of people injured by intimate partners ever receive medical care for their injuries, and an estimated fewer than 20% of incidents are ever reported to police. The gap between what is experienced and what is reported underscores the critical importance of community-based support that does not require survivors to engage with formal systems to access help. Sources: CDC NISVS Report · NCADV Statistics · Bureau of Justice Statistics — IPV
10

Children Who Witness Domestic Violence Face Lasting Harm

An estimated 3 million children witness domestic violence in their homes each year. Exposure to intimate partner violence is a form of childhood trauma — one that carries serious and long-lasting consequences for development, mental health, and future relationships.

Children who grow up in homes where domestic violence occurs are not passive bystanders — they are victims of trauma. Research consistently shows that witnessing violence between caregivers activates the same stress-response pathways as being directly abused. The Adverse Childhood Experiences (ACEs) study, conducted by the CDC and Kaiser Permanente, identified exposure to domestic violence as one of the ten ACEs most strongly linked to long-term physical and mental health problems, including depression, substance use, heart disease, and shortened life expectancy. Children exposed to domestic violence are 15 times more likely to be physically or sexually assaulted than the national average. They are also more likely to experience anxiety, PTSD, aggression, poor academic performance, and difficulty forming healthy attachments. Importantly, the intergenerational cycle of violence is real but not inevitable: boys who witness domestic violence are twice as likely to abuse their own partners as adults, and girls are more likely to accept abuse as normal in relationships — but trauma-informed intervention during childhood can interrupt this cycle. Early, sustained support for children in DV-affected homes is one of the highest-impact investments in prevention. Sources: CDC — Adverse Childhood Experiences (ACEs) · Childhelp National Child Abuse Statistics · Futures Without Violence
11

Former Foster Youth Face Dramatically Higher IPV Risk

Young people who have aged out of the foster care system experience intimate partner violence at rates far exceeding the general population — a crisis that sits at the intersection of childhood trauma, housing instability, and a lack of safe, stable adult relationships.

Research from the Jim Casey Youth Opportunities Initiative and multiple peer-reviewed studies reveals that former foster youth are at sharply elevated risk for intimate partner violence. A landmark study found that nearly 1 in 3 young women who had been in foster care reported experiencing IPV within two years of aging out of the system. Young men with foster care histories also report IPV victimization and perpetration at elevated rates compared to peers. The reasons are interconnected: many foster youth grew up witnessing domestic violence in biological homes before entering care, experienced abuse or neglect that shaped their understanding of relationships, and aged out of the system at 18 with little to no support network, financial resources, or stable housing. Without the family safety net that most young adults rely on, former foster youth are more likely to enter or remain in relationships that provide financial stability or housing — even when those relationships are unsafe. Trauma bonding, attachment disruptions, and the absence of healthy relationship role models compound the risk significantly. Programs that provide extended support, mentorship, and trauma-informed life skills training for transition-age youth have shown promise in reducing IPV risk for this population. Sources: Jim Casey Youth Opportunities Initiative · Chapin Hall — Midwest Study on Former Foster Youth · Child Welfare Information Gateway
12

Disability Increases Vulnerability Significantly

People with physical, cognitive, or mental health disabilities experience intimate partner violence at rates up to twice that of the general population, and face compounding barriers to accessing help.

The CDC's Disability and Violence data reveals that adults with disabilities are 2–4 times more likely to experience intimate partner violence than those without disabilities. Abusers exploit dependency — controlling access to medications, mobility aids, caregiving, and communication devices as additional levers of coercive control. Survivors with disabilities often face a system that was not designed for them: shelters may be physically inaccessible, hotlines may lack TTY or video relay options, and legal processes can be difficult to navigate without support. A 2022 report from the Vera Institute of Justice found that disability-inclusive DV services — those with accessible facilities, trained staff, and individualized safety planning — significantly improve safety outcomes for this population. Sources: CDC — Disability & Violence Fact Sheet · Vera Institute of Justice

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Research We Reference

A selection of peer-reviewed studies, government reports, and nonprofit research that inform our programs and advocacy work.

2022

CDC National Intimate Partner and Sexual Violence Survey (NISVS)

A comprehensive national survey measuring the prevalence of intimate partner violence, sexual violence, and stalking in the United States. Key findings include that nearly 1 in 5 women and 1 in 71 men have been raped in their lifetime.

PrevalenceNational SurveyView Report →
2021

Economic Insecurity and Intimate Partner Violence During COVID-19

Research from the Urban Institute examining how pandemic-related economic stress, job loss, and housing instability contributed to increased rates of intimate partner violence — particularly among low-income households.

Economic FactorsCOVID-19View Study →
2020

Coercive Control and Its Relationship to Domestic Violence Lethality

Published in the Journal of Family Violence, this study demonstrates that coercive control behaviors — not just physical violence — are the strongest predictors of femicide, supporting the need for expanded legal definitions of abuse.

Coercive ControlLethality RiskJournal of Family Violence →
2019

Technology-Facilitated Abuse: A National Survey of Survivors

Conducted by the Safety Net project of the National Network to End Domestic Violence, this report documents how abusers use smartphones, GPS, social media, and smart home devices as tools of surveillance and control.

TechnologyDigital SafetySafety Net Resources →
2021

Strangulation as a Predictor of Homicide in Domestic Violence

Research from the Training Institute on Strangulation Prevention and peer-reviewed journals documents that non-fatal strangulation is one of the strongest predictors of intimate partner homicide. Survivors who have been strangled face 7.5 times the risk of being killed by their partner. Strangulation often leaves no visible external marks, making it critically under-identified by medical and law enforcement responders.

Lethality RiskStrangulationMedical ResponseTraining Institute on Strangulation Prevention →
2020

Foster Care Alumni & Intimate Partner Violence: Elevated Risk After Aging Out

Research from Chapin Hall's Midwest Study on the Adult Functioning of Former Foster Youth documents that young people who age out of the foster care system face significantly elevated rates of intimate partner violence victimization. Compounding factors include prior childhood trauma, lack of stable housing, absence of adult support networks, and disrupted attachment patterns. The study found that nearly 1 in 3 young women who had been in foster care reported IPV within two years of leaving the system.

Foster YouthIPV RiskTransition-Age YouthChapin Hall Research →
2022

Children Exposed to Domestic Violence: ACEs, Trauma, and Long-Term Outcomes

Drawing on the landmark Adverse Childhood Experiences (ACEs) research and subsequent longitudinal studies, this body of work establishes that witnessing domestic violence in childhood is a significant ACE linked to depression, PTSD, substance use, and increased risk of future IPV victimization and perpetration. Boys who witness domestic violence are twice as likely to abuse partners as adults; trauma-informed childhood intervention can interrupt this cycle.

Children & ExposureACEs ResearchIntergenerational ViolenceCDC ACEs Research →
2018

Trauma-Informed Advocacy: Outcomes for Domestic Violence Survivors

A longitudinal study tracking 278 survivors who received trauma-informed advocacy over 24 months. Results showed significantly improved mental health outcomes, greater safety, and reduced re-victimization compared to control groups.

Trauma-Informed CareOutcomes ResearchVAWnet Research Library →
2008

Non-Fatal Strangulation as a Risk Factor for Homicide of Women

A landmark peer-reviewed study published in the Journal of Emergency Medicine examining non-fatal strangulation as a predictor of intimate partner homicide. The research found that women who had been strangled by an intimate partner faced dramatically elevated risk of being killed, establishing strangulation as a critical red-flag indicator in lethality assessments.

StrangulationLethality RiskPeer-ReviewedRead on PubMed Central →

Knowledge Into Action

Research gives us the map — but it's people like you who create the change. Whether you're a survivor, advocate, or ally, there's a place for you here.