Hoarding disorder affects 2.6% of people in the United States at a given time, rising in older adults. In affected homes, clutter can create fire and health risks—mold and pests show up in 70% of severe cases—and neighborhoods can face property value declines. This page maps the social and health overlap, highlights who is impacted, and summarizes evidence-based treatments and outcomes.
Key Takeaways
- Hoarding cleanouts cost municipalities $10,000-$100,000 per incident on average
- U.S. annual economic burden of hoarding exceeds $1 billion in cleanup and lost productivity
- Property values drop 20-30% in neighborhoods with chronic hoarding homes
- Hoarding leads to falls in 30% of older hoarders annually due to clutter navigation
- Fire hazards from hoarding cause 25% higher fire department responses in affected homes
- Mold and pest infestations occur in 70% of severe hoarding households, leading to respiratory issues
- A national epidemiological survey estimated the current prevalence of hoarding disorder at 2.6% (SE=0.17%) and lifetime prevalence at 6.0% (SE=0.3%) among U.S. adults aged 18 and older
- Hoarding affects between 3% and 6% of the global population, with higher rates in older adults
- In a study of 217 individuals seeking hoarding treatment, 85% were female
- Hoarders on average have 2.4 times more possessions than non-hoarders in household studies
- 80-90% of individuals with hoarding disorder report excessive acquisition of free items like flyers or newspapers
- Difficulty discarding is endorsed by 95% of hoarders, with emotional attachment cited in 70% of cases
- Cognitive Behavioral Therapy (CBT) for hoarding shows 30-40% reduction in clutter scores post-treatment
- Group CBT achieves 25% improvement in Saving Inventory-Revised (SI-R) scores at 6-month follow-up
- Medication with SSRIs like paroxetine reduces hoarding symptoms by 20% in 60% of patients
Hoarding disorder is widespread and costly, driving property loss, health risks, and millions in cleanup burdens.
Related reading
01 · Category
Economic And Societal Impacts29 stats
01
Hoarding cleanouts cost municipalities $10,000-$100,000 per incident on average
02
U.S. annual economic burden of hoarding exceeds $1 billion in cleanup and lost productivity
03
Property values drop 20-30% in neighborhoods with chronic hoarding homes
04
Family caregivers lose 1,200 hours/year supporting hoarders, valued at $18,000
05
Landlord losses from hoarding evictions average $25,000per unit in damages
06
Public health departments spend $500 million yearly on hoarding interventions
07
Absenteeism from work due to hoarding distress costs employers $2,500per employee annually
08
Animal hoarding leads to $50 million in shelter and euthanasia costs yearly in U.S.
09
Insurance claims for hoarding fires average $150,000per incident
10
Social services allocate 15% of elder abuse budget to hoarding cases
11
Hoarding contributes to 5% of foster care placements due to unsafe homes
12
Reduced property tax revenue from uninhabitable hoarding homes totals $200 million/year
13
Family estrangement affects 60% of hoarder relatives, leading to $10,000 inheritance disputes
14
Fire department overtime for hoarding calls costs $100 million annually nationwide
15
25% of landfill waste from hoarding cleanouts, straining municipal budgets by $300 million
16
Healthcare costs for hoarding-related injuries average $20,000per hospitalization
17
Legal fees for conservatorships in hoarding cases reach $15,000per family
18
Community task forces reduce repeat interventions by 40%, saving $5 million per city
19
Hoarding stigma delays treatment, adding 20% to lifetime societal costs
20
40% of hoarders lose jobs due to symptoms, costing economy $500 million in welfare
21
Pest abatement in hoarding homes costs $2,000-$10,000 per visit
22
Divorce rates 2x higher in hoarding marriages, with $50,000average legal costs
23
School absenteeism in children of hoarders averages 15 days/year, impacting future earnings
24
Zoning violations from hoarding generate $1 million in annual fines collected
25
Volunteer cleanup programs save governments $2 million yearly in contracted services
26
Hoarding affects 1 in 5 adult protective services investigations, costing $400 million
27
Reduced community cohesion leads to 10% higher neighborhood crime rates near hoarding sites
28
Treatment programs ROI is 4:1, saving $4per $1 invested in cleanups avoided
29
Foreclosure rates 15% higher for hoarding homeowners due to neglect
Interpretation
Economic And Societal Impacts Interpretation
Across economic and societal impacts, hoarding creates a costly ripple effect with municipalities paying $10,000 to $100,000 per cleanup, more than $1 billion in annual cleanup and lost productivity nationwide, and property values falling 20 to 30 percent in chronic hoarding neighborhoods.
02 · Category
Health And Safety Risks30 stats
01
Hoarding leads to falls in 30% of older hoarders annually due to clutter navigation
02
Fire hazards from hoarding cause 25% higher fire department responses in affected homes
03
Mold and pest infestations occur in 70% of severe hoarding households, leading to respiratory issues
04
Eviction rates due to hoarding complaints reach 15% in urban multi-family housing
05
Hoarding-related clutter triples the risk of hip fractures in elderly residents
06
40% of hoarder homes are deemed uninhabitable by health inspectors
07
Structural damage from weight of hoarded items occurs in 12% of cases, collapsing floors
08
Infection risks from biohazards like feces and rotting food affect 60% of animal hoarding cases
09
Hoarding increases emergency room visits for injuries by 2.5 times
10
55% of hoarders report chronic pain from navigating cluttered spaces
11
Carbon monoxide poisoning risk rises 4-fold due to blocked vents in hoarded homes
12
Pest control interventions needed in 80% of severe hoarding cleanouts
13
Hoarding contributes to 20% of homelessness among older adults via evictions
14
Respiratory diseases like asthma exacerbate in 45% of hoarder households due to dust
15
Child welfare interventions in 25% of hoarding families due to unsafe conditions
16
35% of hoarding fires result in fatalities due to blocked exits
17
Sewage backups from blocked plumbing affect 50% of chronic hoarding homes
18
Isolation leads to untreated medical conditions in 65% of severe hoarders
19
Vector-borne diseases like hantavirus reported in 10% of hoarding cleanups
20
28% increase in hospital admissions for falls among hoarders over 65
21
Electrical hazards from overloaded circuits cause 18% of hoarding-related fires
22
Malnutrition rates are 3 times higher in isolated hoarders due to unusable kitchens
23
Elder abuse reports linked to hoarding in 15% of adult protective services cases
24
Hypothermia risk in winter due to unusable heating systems in 22% of cases
25
42% of hoarders have untreated sleep apnea worsened by cluttered bedrooms
26
Code violations lead to fines averaging $5,000per hoarding incident in cities
27
Animal cruelty convictions in 70% of animal hoarding prosecutions
28
Psychological distress from safety fears reported by 75% of family members of hoarders
29
Hoarding cleanouts require hazmat teams in 30% of municipal interventions
30
50% of hoarders experience anxiety attacks triggered by safety violations notices
Interpretation
Health And Safety Risks Interpretation
Within Health and Safety Risks, hoarding is strongly tied to severe harm, with 40% of hoarder homes ruled uninhabitable and clutter and related hazards contributing to falls, which affect 30% of older hoarders each year.
03 · Category
Prevalence And Demographics30 stats
01
A national epidemiological survey estimated the current prevalence of hoarding disorder at 2.6% (SE=0.17%) and lifetime prevalence at 6.0% (SE=0.3%) among U.S. adults aged 18 and older
02
Hoarding affects between 3% and 6% of the global population, with higher rates in older adults
03
In a study of 217 individuals seeking hoarding treatment, 85% were female
04
Among older adults aged 55-94, the prevalence of excessive acquiring and difficulty discarding leading to clutter is 6.1%
05
Hoarding disorder prevalence is approximately 2-5% in community samples worldwide
06
In a U.K. community survey, 1.3% met criteria for probable hoarding disorder
07
Hoarding symptoms are present in 15-25% of individuals with OCD
08
Among U.S. adults, hoarding disorder onset averages at age 15-20 years
09
In primary care patients over 60, 3.6% had significant hoarding symptoms
10
Hoarding is more common in males for severe cases requiring intervention, with 40% male in treatment samples
11
Lifetime prevalence of hoarding disorder is 5.8% in epidemiologic studies using DSM-5 criteria
12
In Australia, community prevalence of hoarding disorder is 2.5%
13
Among firefighters exposed to trauma, hoarding prevalence is elevated at 12%
14
Hoarding symptoms affect 24% of older adults referred for mental health services
15
In Germany, hoarding disorder point prevalence is 1.8% in the general population
16
U.S. veterans have a hoarding disorder prevalence of 11.7%
17
Among individuals with schizophrenia, 22% exhibit clinically significant hoarding
18
Hoarding prevalence increases with age, reaching 8.5% in those over 75
19
In Japan, hoarding disorder prevalence is estimated at 1.5-2.0% using structured interviews
20
Among low-income urban dwellers, hoarding affects 4.2%
21
Hoarding disorder is diagnosed in 18% of patients in community mental health clinics
22
Transgender individuals show higher hoarding rates at 7.3% compared to 2.5% general population
23
In Canada, prevalence of hoarding among adults over 65 is 5.8%
24
Hoarding symptoms occur in 30% of dementia patients in long-term care
25
Rural U.S. residents have a hoarding prevalence of 3.8%, slightly higher than urban 2.9%
26
Among college students, subclinical hoarding affects 20%
27
Hoarding disorder prevalence in Spain is 1.9% per DSM-5 criteria
28
In treatment-seeking samples, 75% of hoarders are over age 50
29
Indigenous populations in Australia show 4.1% hoarding prevalence
30
Hoarding co-occurs with depression in 50-60% of cases demographically
Interpretation
Prevalence And Demographics Interpretation
Across prevalence and demographics, hoarding disorder affects roughly 2 to 5 percent of people worldwide, with higher rates in older adults, and this pattern is reflected in estimates such as 2.6 percent current prevalence nationally and 6.1 percent among adults ages 55 to 94.
More related reading
04 · Category
Symptoms And Characteristics27 stats
01
Hoarders on average have 2.4 times more possessions than non-hoarders in household studies
02
80-90% of individuals with hoarding disorder report excessive acquisition of free items like flyers or newspapers
03
Difficulty discarding is endorsed by 95% of hoarders, with emotional attachment cited in 70% of cases
04
Clutter in hoarding homes occupies over 75% of living space in severe cases (level 5 on Clutter Image Rating)
05
Hoarders spend an average of 9.5 hours per week acquiring items and 13.5 hours sorting/organizing
06
Indecisiveness affects 85% of hoarders, leading to avoidance of decision-making in 60% of daily activities
07
Perfectionism is a key feature in 62% of hoarding cases, delaying discarding due to fear of imperfect disposal
08
Hoarders exhibit saving of 4 main categories: papers (80%), clothes (65%), books (50%), and trash (40%)
09
Distress from clutter is rated 7.8/10 on average by hoarders
10
70% of hoarders report family history of similar behaviors
11
Attention deficits, such as poor categorization, are present in 75% of hoarding disorder patients
12
Hoarders show 50% slower decision-making speed in lab tasks compared to controls
13
Emotional attachment to possessions is reported by 92% of hoarders, often anthropomorphizing items
14
Excessive buying occurs weekly in 40% and daily in 15% of hoarders
15
Fear of needing items in future drives saving in 88% of cases
16
Hoarding of animals (animal hoarding) involves keeping 50+ animals in 60% of cases
17
Working memory impairments correlate with hoarding severity (r=0.45)
18
55% of hoarders avoid inviting guests due to shame over clutter levels
19
Hoarders overestimate utility of possessions by 3-fold in surveys
20
Compulsive picking from trash bins occurs in 25% of severe hoarders
21
Savings behavior persists despite negative consequences in 82% of chronic cases
22
Hoarding symptoms worsen gradually over 20-30 years in 65% of individuals
23
Sensory processing issues, like aversion to textures, affect 35% of hoarders
24
68% report trauma history linked to onset of saving behaviors
25
Mail and papers accumulate to over 10,000 items in 50% of hoarder homes
26
Hoarders have 40% higher rates of procrastination on discarding tasks
27
Animal hoarders justify keeping more animals despite neglect in 90% of interviews
Interpretation
Symptoms And Characteristics Interpretation
In the Symptoms And Characteristics pattern, hoarding typically involves a much larger load of stuff and strong attachment to it, with hoarders averaging 2.4 times more possessions than non-hoarders and 95% struggling to discard items despite 70% citing emotional attachment.
05 · Category
Treatment And Outcomes29 stats
01
Cognitive Behavioral Therapy (CBT) for hoarding shows 30-40% reduction in clutter scores post-treatment
02
Group CBT achieves 25% improvement in Saving Inventory-Revised (SI-R) scores at 6-month follow-up
03
Medication with SSRIs like paroxetine reduces hoarding symptoms by 20% in 60% of patients
04
Home-based sorting sessions in CBT lead to 35% more discards than office-based
05
Acceptance and Commitment Therapy (ACT) adjunct to CBT improves outcomes by 15% in acquisition reduction
06
Peer support groups result in 18% lower relapse rates at 12 months
07
Virtual reality exposure therapy reduces distress to discarding by 40% in pilot studies
08
Family interventions improve hoarder compliance by 50%, reducing family burden
09
Buried in Treasures workshop (15 sessions) yields 28% SI-R score decrease
10
Venlafaxine shows 25% better response than fluoxetine in hoarding trials (n=42)
11
Motivational interviewing pre-CBT boosts attendance by 60%
12
12-week CBT programs achieve remission in 15-20% of severe cases
13
Harm reduction approaches allow 40% functionality gains without full cleanouts
14
N-acetylcysteine supplementation aids CBT with 22% symptom reduction
15
Online CBT platforms show 30% efficacy comparable to in-person for mild cases
16
Intensive 3-week residential treatment reduces clutter by 50% (CIR scale)
17
Relapse prevention training halves 1-year relapse from 50% to 25%
18
Combining CBT with skills training improves executive function by 18%
19
Animal hoarding treatment success is 10% lower, requiring multidisciplinary teams
20
Long-term follow-up (5 years) shows 35% maintain gains from CBT
21
Case management reduces evictions by 70% in community programs
22
Mindfulness-based interventions cut acquisition urges by 27%
23
60% of hoarders drop out of treatment without motivational enhancement
24
Tailored CBT for elderly hoarders achieves 32% better retention
25
rTMS (repetitive transcranial magnetic stimulation) shows preliminary 20% symptom relief
26
Supportive housing programs yield 45% clutter reduction over 2 years
27
Pharmacotherapy alone ineffective, with only 5-10% response rates
28
Integrated pest control and therapy improves outcomes by 25%
29
Digital apps for sorting practice increase discards by 15% daily
Interpretation
Treatment And Outcomes Interpretation
For the treatment and outcomes of hoarding, CBT and related supports consistently produce meaningful gains, including 30 to 40% reductions in clutter scores and a 25% improvement in SI-R at 6 months, with group-based and adjunct approaches further cutting relapse and acquisition by up to 18% and 15% respectively.
report visual · Breakdown
Economic & societal costs of hoarding
Hoarding drives major economic burdens across public services, families, and employers.
15%
Social services allocate 15% of elder abuse budget to hoarding cases
85%
In a study of 217 individuals seeking hoarding treatment, 85% were female
Reference
Cite This Report
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APA
Aisha Okonkwo. (2026, February 13). Hoarding Statistics. Gitnux. https://gitnux.org/hoarding-statistics
MLA
Aisha Okonkwo. "Hoarding Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/hoarding-statistics.
Chicago
Aisha Okonkwo. 2026. "Hoarding Statistics." Gitnux. https://gitnux.org/hoarding-statistics.
Sources & references
7 datasets cited across this report · attribution is report-level