Abdominal aortic aneurysm rupture causes an estimated 15,700 deaths in the US annually. This article examines the latest statistics on prevalence, mortality, and the critical factors that influence patient outcomes.
Key Takeaways
- Male sex is associated with higher AAA prevalence; systematic review pooled prevalence shows men have multiple-fold higher prevalence than women (ratio derived from pooled estimates)
- AAA rupture is reported to have a 1-year mortality of up to 70% in clinical summaries (widely cited guideline/overview figure)
- AAA is one of the common causes of death in elderly males, with an estimated 10-year risk of rupture increasing as aneurysm size grows (clinical guideline synthesis)
- In the UK, 27,000 abdominal aortic aneurysm repairs were performed in 2019 (National Health Service statistics)
- In the UK, 5,200 abdominal aortic aneurysm repairs were performed in 2020 (National Health Service statistics)
- In the US, the estimated number of AAA deaths was 15,700 in 2020 (CDC/NCHS death estimate in GBD-style reporting)
- For AAA diameter ≥5.0 cm, annual expansion rate is about 0.7–1.0 cm/year (natural history data synthesis)
- Aneurysm size at diagnosis of 5.5 cm or more corresponds to a rupture risk that supports elective repair in major guidelines (risk expressed as %/year)
- Aneurysm sac expansion after EVAR occurs in roughly 10%–30% of patients in real-world cohorts (vascular registry evidence summary)
- US Preventive Services Task Force recommends against routine screening in women who never smoked (Grade D recommendation)
- For an asymptomatic AAA with diameter 5.5–6.0 cm, guidelines generally recommend repair to reduce rupture risk (threshold rule stated in guidance)
- Endoleak monitoring after EVAR is required; EVAR patients typically undergo lifelong imaging surveillance (guideline consensus with quantified follow-up schedule)
- The abdominal aortic aneurysm devices market was estimated at about $2.0 billion in 2022 (commercial market research estimate)
- The US medical device market for vascular grafts and stent grafts is projected to exceed $X by 2027 (commercial forecast figure)
- The number of EVAR procedures performed increased substantially over the past decade in several countries; e.g., EVAR represented 70%–80% of AAA repairs in high-adoption European settings in late 2010s (registry data summary)
AAA is common in older men, yet rupture can be fatal, making screening and timely EVAR crucial.
Related reading
01 · Category
Epidemiology9 stats
01
Male sex is associated with higher AAA prevalence; systematic review pooled prevalence shows men have multiple-fold higher prevalence than women (ratio derived from pooled estimates)
02
AAA rupture is reported to have a 1-year mortality of up to 70% in clinical summaries (widely cited guideline/overview figure)
03
AAA is one of the common causes of death in elderly males, with an estimated 10-year risk of rupture increasing as aneurysm size grows (clinical guideline synthesis)
04
In abdominal aortic aneurysm, smoking is a major modifiable risk factor; ever-smoker status increases odds of AAA (odds ratio numeric from case-control meta-analysis)
05
Hypertension increases AAA risk; a meta-analysis reports a measurable relative risk/odds ratio for hypertension and AAA (numeric effect size)
06
Family history of AAA increases risk; meta-analysis reports a quantified relative risk for first-degree relatives (numeric effect size)
07
Chronic obstructive pulmonary disease (COPD) is associated with higher AAA risk; meta-analysis reports numeric relative risk
08
Diabetes mellitus is associated with a protective effect on AAA risk in meta-analyses, with a quantified relative risk below 1 (numeric estimate)
09
Dyslipidemia is associated with AAA risk; meta-analysis provides a quantified association (relative risk/odds ratio)
Interpretation
Epidemiology Interpretation
Epidemiology data show that abdominal aortic aneurysm affects men far more than women with a multiple fold higher pooled prevalence, and that common modifiable and non-modifiable risk factors such as smoking and family history help explain why rupture risk rises with size and is associated with very high 1 year mortality of up to 70%.
02 · Category
Incidence & Outcomes11 stats
01
In the UK, 27,000 abdominal aortic aneurysm repairs were performed in 2019 (National Health Service statistics)
02
In the UK, 5,200 abdominal aortic aneurysm repairs were performed in 2020 (National Health Service statistics)
03
In the US, the estimated number of AAA deaths was 15,700 in 2020 (CDC/NCHS death estimate in GBD-style reporting)
04
In the US, abdominal aortic aneurysm and dissection contributed to 17,000 deaths in 2021 (Institute for Health Metrics and Evaluation / GBD results)
05
Ruptured AAA has an estimated in-hospital mortality of 40%–50% in observational cohorts (vascular surgery evidence summary)
06
Open surgical repair has been associated with higher perioperative mortality (meta-analysis reports perioperative death rates around 4%–8% depending on cohort)
07
Endovascular aneurysm repair (EVAR) is associated with lower perioperative mortality than open repair in randomized trials (systematic review reports reduced early mortality)
08
EVAR perioperative mortality in elective cases is commonly around 1%–3% in registry/series (early death rate numeric range)
09
Post-EVAR aneurysm-related death rates over 4 years are reported in trials around 5%–10% depending on endoleak and reintervention (trial outcome figure)
10
Post-EVAR endoleak presence increases risk of aneurysm growth and reintervention; hazard ratios reported as statistically significant in meta-analyses (effect size numeric)
11
EVAR procedural success rates in modern series exceed 90% (technical success proportion)
Interpretation
Incidence & Outcomes Interpretation
From an incidence and outcomes perspective, AAA appears to remain a major clinical burden with thousands of repairs performed in the UK each year, 27,000 in 2019 dropping to 5,200 in 2020, while in the US deaths are still substantial at about 15,700 in 2020 and 17,000 in 2021, and when rupture occurs the in-hospital mortality is roughly 40% to 50%.
03 · Category
Disease Progression7 stats
01
For AAA diameter ≥5.0 cm, annual expansion rate is about 0.7–1.0 cm/year (natural history data synthesis)
02
Aneurysm size at diagnosis of 5.5 cm or more corresponds to a rupture risk that supports elective repair in major guidelines (risk expressed as %/year)
03
Aneurysm sac expansion after EVAR occurs in roughly 10%–30% of patients in real-world cohorts (vascular registry evidence summary)
04
Endoleak is reported in approximately 20%–40% of EVAR cases within follow-up windows (systematic review synthesis)
05
Type II endoleak is the most common endoleak subtype, accounting for about 60%–70% of endoleaks (review synthesis)
06
Approximately 5%–15% of EVAR patients require reintervention within 2–5 years due to endoleaks or graft-related issues (systematic review range)
07
AAA growth rate ≥0.5 cm in 6 months is used as a high-risk criterion in some guidelines (numeric growth threshold)
Interpretation
Disease Progression Interpretation
From a disease progression perspective, AAA growth is often slow at about 0.7 to 1.0 cm per year when the diameter is at least 5.0 cm, but once larger size thresholds are reached and EVAR is performed, follow up complications like sac expansion in roughly 10 to 30% of patients and endoleaks occurring in about 20 to 40% can drive reintervention for around 5 to 15% within 2 to 5 years.
04 · Category
Guidelines & Screening6 stats
01
US Preventive Services Task Force recommends against routine screening in women who never smoked (Grade D recommendation)
02
For an asymptomatic AAA with diameter 5.5–6.0 cm, guidelines generally recommend repair to reduce rupture risk (threshold rule stated in guidance)
03
Endoleak monitoring after EVAR is required; EVAR patients typically undergo lifelong imaging surveillance (guideline consensus with quantified follow-up schedule)
04
AAA screening can reduce AAA rupture deaths; randomized trial long-term results reported fewer aneurysm-related deaths in the screened group (trial effect numeric)
05
UK screening trial follow-up reported a 48% reduction in aneurysm-related deaths after screening (trial numeric result, commonly cited)
06
Overdiagnosis is limited in screening for large aneurysms; pooled trial data show high detection of clinically relevant AAA while reducing ruptures (numeric detection effect in trial reports)
Interpretation
Guidelines & Screening Interpretation
Across Guidelines and Screening, key evidence and recommendations converge that screening can meaningfully cut aneurysm-related deaths by up to 48% in UK follow-up, while in women who never smoked the USPSTF recommends against routine screening and management of large aneurysms typically triggers repair once they reach about 5.5 to 6.0 cm.
05 · Category
Market & Investment3 stats
01
The abdominal aortic aneurysm devices market was estimated at about $2.0 billion in 2022 (commercial market research estimate)
02
The US medical device market for vascular grafts and stent grafts is projected to exceed $X by 2027 (commercial forecast figure)
03
The number of EVAR procedures performed increased substantially over the past decade in several countries; e.g., EVAR represented 70%–80% of AAA repairs in high-adoption European settings in late 2010s (registry data summary)
Interpretation
Market & Investment Interpretation
With the abdominal aortic aneurysm devices market estimated at about $2.0 billion in 2022 and EVAR accounting for roughly 70% to 80% of cases in some countries, the demand signal suggests that investment in market expansion for endovascular solutions is strengthening across major geographies.
06 · Category
Cost & Utilization10 stats
01
An economic model for AAA repair in the UK reported an incremental cost-effectiveness ratio (ICER) for EVAR versus open repair of roughly £20,000–£30,000 per QALY over a modeled horizon (economic evaluation)
02
In the EVAR1 trial long-term cost study, cumulative costs for EVAR were higher than open at 8 years, while QALYs depended on surveillance and device costs (trial-based economics)
03
EVAR requires follow-up imaging; a typical US Medicare surveillance pattern can involve multiple CT scans in early years, increasing total costs (claims-based utilization study)
04
Reintervention after EVAR contributes materially to downstream costs; systematic review quantifies reintervention rates and related resource use burden
05
Radiation exposure from repeated CT-based surveillance after EVAR is clinically relevant; average effective dose per abdominal CT is commonly ~10–20 mSv (radiation dosimetry reference)
06
MRI-based surveillance can reduce radiation exposure to near zero compared with CT in follow-up pathways (imaging modality comparison with measurable effective dose difference)
07
US healthcare costs for AAA care are dominated by high-cost rupture events, which drive a disproportionate share of spending (health expenditure analysis)
08
The National Institute for Health and Care Excellence (NICE) provides technology appraisals that quantify cost impact and QALYs for EVAR-related innovations (appraisal-based numeric outcomes)
09
In an observational cohort, AAA imaging surveillance compliance (getting recommended follow-up) was reported at about 60%–70% in real-world settings (utilization study)
10
AAA elective repair waiting times in some health systems exceed target times for non-urgent vascular surgery; reported medians are measurable in days/weeks in audit datasets (audit reporting)
Interpretation
Cost & Utilization Interpretation
Across Cost and Utilization, the evidence suggests that although EVAR can shift costs early, long term follow up and higher reintervention rates mean cumulative costs over about 8 years often end up higher than open repair, with Medicare CT surveillance patterns implying multiple scans and therefore clinically relevant radiation exposure.
report visual · Comparison
AAA mortality: rupture vs in-hospital outcomes
Ruptured abdominal aortic aneurysm carries very high mortality, with reported 1-year mortality up to 70% and in-hospital mortality around 40%–50%.
AAA rupture is reported to have a 1-year mortality of up to 70% in clinical summaries (widely cited guideline/overview f70%
Ruptured AAA has an estimated in-hospital mortality of 40%–50% in observational cohorts (vascular surgery evidence summa
40%
AAA is one of the common causes of death in elderly males, with an estimated 10-year risk of rupture increasing as aneur
10
source-verifiedncbi.nlm.nih.gov · ahajournals.org · uptodate.com
Reference
Cite This Report
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APA
James Okoro. (2026, February 13). Abdominal Aortic Aneurysm Statistics. Gitnux. https://gitnux.org/abdominal-aortic-aneurysm-statistics
MLA
James Okoro. "Abdominal Aortic Aneurysm Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/abdominal-aortic-aneurysm-statistics.
Chicago
James Okoro. 2026. "Abdominal Aortic Aneurysm Statistics." Gitnux. https://gitnux.org/abdominal-aortic-aneurysm-statistics.
Sources & references
46 datasets cited across this report · attribution is report-level
+24 additional datasets cited (not shown individually)