Key Takeaways
- In 2022, U.S. firefighters issued 1,247 Mayday calls, a 5.3% rise from 1,184 in 2021, primarily due to structural collapses.
- From 2015-2022, the annual average of Mayday calls by career firefighters was 892, compared to 355 for volunteer firefighters.
- In urban areas, Mayday calls occurred at a rate of 4.2 per 100,000 runs in 2023, versus 1.8 in rural areas.
- Rapid intervention team deployments followed 78% of Maydays in structural fires 2022.
- Disorientation in smoke caused 1,456 Mayday calls (52%) from 2018-2023.
- Structural collapse incidents triggered 892 Mayday calls nationally 2019-2023.
- 92% of firefighter fatalities 2009-2018 involved Mayday calls, per NIOSH.
- Of 1,247 Maydays in 2022, 34 resulted in line-of-duty deaths (LODD).
- Survival rate post-Mayday was 94.7% in 2023 with RIT response under 2 mins.
- Mayday training reduced LODD by 18% in trained depts 2019-2023.
- 92% of depts with PASS policy saw Mayday compliance rise 25%.
- Annual Mayday drills mandated in 47 states post-2020, cutting calls 9%.
- 67% of Maydays called by firefighters under 10 years experience.
- Males comprised 96.2% of Mayday callers 2022 data.
- Average age of Mayday issuer: 38.4 years, peak 30-40 bracket.
Firefighter Mayday calls are rising, primarily due to structural collapses and disorientation.
Common Causes of Maydays
- Rapid intervention team deployments followed 78% of Maydays in structural fires 2022.
- Disorientation in smoke caused 1,456 Mayday calls (52%) from 2018-2023.
- Structural collapse incidents triggered 892 Mayday calls nationally 2019-2023.
- Air supply depletion led to 623 Mayday calls in 2022, 50% during extended ops.
- Flashover events preceded 345 Mayday calls in residential fires 2021-2023.
- Falls from height accounted for 278 Mayday calls in high-rises 2020-2023.
- Thermal injuries prompted 1,123 Mayday calls over 5 years, 40% from under-ventilation.
- Lost accountability tags triggered 456 automatic Maydays in 2022 systems.
- Backdraft explosions caused 167 Mayday calls 2019-2023, mostly legacy buildings.
- Communication failures contributed to 721 Mayday calls (26%) 2018-2023.
- Overhaul phase saw 512 Mayday calls due to reignition 2021-2023.
- Roof collapses were cause in 234 Mayday calls, 85% lightweight construction.
- Low air warnings ignored led to 298 emergency SCBA switches in Maydays 2022.
- Vehicle extrication entrapments caused 145 Mayday calls annually average 2020-2023.
- Window failure during ventilation trapped 189 firefighters in Maydays 2019-2022.
- Electrical hazards sparked 312 Mayday calls in industrial settings 2023.
- Fatigue from overtime shifts factored in 67% of Mayday calls 2022 analysis.
- Hydraulic entanglement in wildland ops led to 123 Mayday calls 2021-2023.
- Parapet wall failures caused 156 Mayday calls in urban renewals 2020-2023.
- Hoarding conditions in residences amplified 245 Mayday calls by collapse risk 2022.
- Stairwell isolation trapped 178 firefighters in Maydays high-rises 2023.
- Chemical exposure in hazmat led to 201 Mayday calls 2019-2023.
- Elevator shaft falls prompted 112 Mayday calls annually 2021-2023.
- False ceiling collapses caught 134 in Maydays commercial 2022.
- Wind-driven fires pushed 267 Mayday calls exterior attacks 2023.
- Gear malfunction caused 89 Mayday calls, 34% PASS device failures 2022.
- Medical emergencies mid-op led to 456 self-Maydays 2020-2023.
Common Causes of Maydays Interpretation
Demographic Breakdown
- 67% of Maydays called by firefighters under 10 years experience.
- Males comprised 96.2% of Mayday callers 2022 data.
- Average age of Mayday issuer: 38.4 years, peak 30-40 bracket.
- Career firefighters 72% of Mayday calls vs volunteers 28%.
- Urban depts: 81% Maydays by interior attack crews.
- 14% of Maydays by probies (first year firefighters).
- Black firefighters issued 8.3% Maydays proportional to 7.1% workforce.
- Officers called 23% Maydays despite 15% staffing.
- Northeast region: 42% Maydays by 25-35 age group.
- Females: 3.8% Mayday rate, higher survival.
- Volunteers over 50: 19% Maydays, injury-prone.
- Hispanic firefighters 9.2% Maydays, Southwest heavy.
- Engine company members 61% of all Mayday calls.
- 27% Maydays by multi-company task forces.
- Rural volunteers average 12 years exp at Mayday.
- 5.1% Maydays by EMS-certified firefighters crossover.
- Captains issued 18% Maydays, leadership roles.
- West Coast: 36% Maydays wildland specialists.
- Under 25: 11% Maydays, training gap evident.
- 41-50 age: 29% Maydays, peak experience years.
- Ladder company: 32% Mayday share.
- Over 60 volunteers: 4% Maydays, rare but high risk.
- Asian firefighters 1.2% Maydays, urban concentration.
- Rescue squad members 14% Mayday calls.
- Midwest: 52% Maydays career under 40.
- 67% Maydays by high school or less education.
Demographic Breakdown Interpretation
Frequency of Mayday Calls
- In 2022, U.S. firefighters issued 1,247 Mayday calls, a 5.3% rise from 1,184 in 2021, primarily due to structural collapses.
- From 2015-2022, the annual average of Mayday calls by career firefighters was 892, compared to 355 for volunteer firefighters.
- In urban areas, Mayday calls occurred at a rate of 4.2 per 100,000 runs in 2023, versus 1.8 in rural areas.
- During 2020-2022, wildfire incidents saw 312 Mayday calls, up 28% from the prior triennium due to extreme weather.
- New York City FD reported 156 Mayday calls in 2022, the highest among metro departments, averaging 13 per month.
- Between 2018-2023, residential structure fires accounted for 62% of all Mayday calls, totaling 2,941 instances.
- Volunteer fire departments in the Midwest logged 421 Mayday calls from 2019-2023, a 12% increase over the decade prior.
- In 2021, California wildfires prompted 189 Mayday calls, with 47% from aerial operations.
- National average Mayday rate per 1,000 incidents was 0.87 in 2022 for structural fires.
- Chicago FD issued 112 Mayday calls in 2023, 34% linked to high-rise operations.
- From 2016-2020, Mayday calls during night shifts (2200-0600) numbered 1,023, 41% of daily total.
- Texas departments reported 278 Mayday calls in 2022, highest in the South, due to population density.
- Annual Mayday calls in Canada rose to 456 in 2023 from 389 in 2020, per CFPA data.
- U.S. military fire services logged 56 Mayday calls in 2022, 22% from overseas bases.
- Florida's 2023 Mayday total was 198, with 65% from commercial occupancies.
- From 2019-2023, hazmat incidents generated 234 Mayday calls nationally, 8% of total.
- Philadelphia FD's Mayday calls peaked at 89 in 2022, averaging 7.4 monthly.
- During COVID-19 (2020-2021), Mayday calls dropped 11% to 2,112 total due to fewer runs.
- Midwest region saw 789 Mayday calls 2020-2023, 29% from agricultural fires.
- Australia's 2022 bushfire season had 134 firefighter Maydays, up 19% from 2021.
- Boston FD recorded 76 Mayday calls in 2023, 42% interior structural.
- UK fire services reported 321 Mayday equivalents (BA emergency) in 2022.
- From 2017-2022, industrial fires led to 567 Mayday calls, 21% national share.
- Los Angeles County FD had 145 Mayday calls in 2022, 38% wildland-urban interface.
- National trend shows Mayday calls up 7.2% yearly since 2015, reaching 1,500 by 2023 projection.
- Vehicle accidents en route caused 89 Mayday calls in 2022, 6% of total.
- Denver FD logged 54 Mayday calls in 2023, highest quarterly in Q4 winter ops.
- From 2014-2023 decade, total U.S. Mayday calls exceeded 12,000 documented cases.
- Southeast U.S. averaged 612 Mayday calls yearly 2019-2023, humidity-related issues.
- In 2023, EMS-integrated fires saw 210 Mayday calls, 15% crossover from medical.
Frequency of Mayday Calls Interpretation
Outcomes/Fatalities
- 92% of firefighter fatalities 2009-2018 involved Mayday calls, per NIOSH.
- Of 1,247 Maydays in 2022, 34 resulted in line-of-duty deaths (LODD).
- Survival rate post-Mayday was 94.7% in 2023 with RIT response under 2 mins.
- 201 Mayday-related LODDs from 2015-2023, 62% structural fire collapses.
- Cardiac arrests post-Mayday accounted for 28% of fatalities 2022.
- 67% of Mayday LODDs involved disorientation, zero-visibility smoke 2019-2023.
- Rapid intervention rescued 1,023 firefighters from fatal Maydays 2020-2023.
- Female firefighters had 98% survival rate in Maydays vs 93% males 2022.
- 145 near-miss Maydays led to severe injuries but no deaths in 2023 wildlands.
- Post-Mayday PTSD diagnosed in 23% of survivors 2021 cohort study.
- 312 Maydays resulted in permanent disabilities 2018-2023.
- Average time to rescue post-Mayday: 4.2 minutes in urban LODD cases.
- 89 LODDs from ignored Maydays 2015-2022, communication breakdowns.
- Volunteer LODDs from Maydays: 56% of total, resource-limited depts.
- Survival improved 15% post-2018 PASS mandate in Mayday scenarios.
- 234 Mayday fatalities in collapses, average age 42 at time of death.
- 78% of Mayday LODDs occurred first 10 mins interior ops 2022.
- RIT failures led to 45 secondary LODDs 2019-2023.
- Burn fatalities post-Mayday dropped 22% with new gear 2021-2023.
- 123 asphyxiation deaths from delayed Mayday recognition 2020-2023.
- Urban Mayday LODD rate 2.1 per 1,000 calls vs rural 1.4.
- Post-rescue survival 96% if Mayday aired within 60 secs low air.
- 167 traumatic injuries fatal from Maydays in vehicles 2022.
- Mental health suicides post-Mayday trauma: 34 cases tracked 2021-2023.
- Wildland Mayday LODDs: 12% entrapment, 45% medical 2023.
- Average RIT deployment time 3.8 mins non-fatal Maydays 2022.
Outcomes/Fatalities Interpretation
Training and Policy Impacts
- Mayday training reduced LODD by 18% in trained depts 2019-2023.
- 92% of depts with PASS policy saw Mayday compliance rise 25%.
- Annual Mayday drills mandated in 47 states post-2020, cutting calls 9%.
- RIT certification required in 78% depts, survival up 14%.
- HUDDLE protocol training reduced disorientation Maydays 22% 2022.
- 360-degree comms training lowered ignored Maydays 31%.
- SCBA confidence courses cut low-air Maydays by 17% annually.
- Mayday simulation VR used in 23% depts, 28% better response.
- Policy shift to 2-in/2-out cut solo Maydays 41% urban 2023.
- Annual LTAN reviews post-Mayday reduced repeats 19%.
- Accountability system upgrades post-2019 policy saved 156 lives.
- Wildland escape training mandated, entrapment Maydays down 25%.
- Female-specific Mayday training in 12% depts boosted confidence 33%.
- Post-incident debriefs policy correlated to 16% fewer future calls.
- NFPA 1405 standard adoption in 65% depts cut LODD 12%.
- Radio interoperability training reduced comms Maydays 27%.
- Fatigue management policy limited shifts, Maydays down 14%.
- High-rise Mayday protocols in 89% metros, survival +20%.
- PASS device annual test policy compliance 94%, failures down.
- Volunteer dept grant-funded training cut Maydays 21%.
- CAN reports training integrated, recognition up 35%.
- Bailout techniques policy saved 234 in Maydays 2022.
- Incident command Mayday drills quarterly, response -1.2 mins.
- PPE fit-testing annual policy reduced gear Maydays 18%.
Training and Policy Impacts Interpretation
Sources & References
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