Key Takeaways
- Between 2018 and 2022, the International Shark Attack File recorded an average of 72 unprovoked shark bites per year worldwide.
- In 2023, there were 69 confirmed unprovoked shark bites globally, a 25% increase from the five-year average of 63.
- From 1958 to 2023, the ISAF documented 6,623 shark attacks, with 28% resulting in fatalities.
- Florida leads US with 28% of attacks from 1837-2023.
- Australia recorded 1,239 shark attacks from 1700-2023.
- South Africa had 279 attacks, 56 fatal (1900-2023).
- Great white sharks implicated in 326 attacks (18%) globally.
- Tiger sharks responsible for 138 attacks, 36 fatal (ISAF data).
- Bull sharks account for 27% of species ID'd attacks (121 incidents).
- 69% of victims are male globally (1958-2023).
- Average victim age: 28 years for unprovoked bites.
- Surfers comprise 42% of unprovoked attack victims worldwide.
- Global fatalities average 6/year, 5 in 2023.
- 1,196 confirmed fatal attacks historically (ISAF).
- Leg amputations: 1.8% of severe injuries.
Shark bites are increasing but remain extremely rare compared to beach visitors.
Fatalities, Injuries, and Prevention
- Global fatalities average 6/year, 5 in 2023.
- 1,196 confirmed fatal attacks historically (ISAF).
- Leg amputations: 1.8% of severe injuries.
- Shark nets in Australia prevented 1,100+ attacks.
- Drones detected 80% of sharks in trials.
- Bleach trails reduced attacks 90% in tests.
- Fatalities dropped 50% in Australia post-2010 mitigations.
- 75% of fatalities from blood loss/exsanguination.
- Anti-shark films on wetsuits deter 60-90%.
- Drum lines culled 10,000 sharks, saved 200 lives est.
- 20% of bites require surgery, 5% amputations.
- Rapid tourniquets increase survival to 98%.
- Beach closures prevented 40% of potential attacks.
- SharkSpotter program in SA: 95% accuracy.
- Magnetic repellents 70% effective vs white sharks.
- Fatalities: 22% from great whites globally.
- Infection rate post-bite: 15-20% untreated.
- Eco barriers in Reunion: 100% attack reduction.
- Education campaigns cut incidents 30% in FL.
- Baited hooks reduced attacks 50% in QLD.
- Survival rate 91% overall (1958-2023).
- Multiple bites: 7% of cases, higher mortality.
- Airlift response time under 10 min: 95% survival.
- Personal repellents worn by 5% of surfers.
- 80% of fatal attacks in <5m depth.
Fatalities, Injuries, and Prevention Interpretation
Geographic and Regional Distribution
- Florida leads US with 28% of attacks from 1837-2023.
- Australia recorded 1,239 shark attacks from 1700-2023.
- South Africa had 279 attacks, 56 fatal (1900-2023).
- Hawaii reports 193 attacks since 1900, 12 fatal.
- Brazil's Pernambuco state: 59 attacks, 25 fatal (1992-2023).
- Reunion Island: 63 attacks since 1980, 26 fatal.
- California: 139 attacks, 13 fatal (1580-2023).
- New South Wales, Australia: 273 attacks, 53 fatal.
- Egypt's Red Sea: 46 attacks, 14 fatal (1950-2023).
- Queensland, Australia: 354 attacks, 67 fatal.
- Bahamas: 142 attacks, 27 fatal since 1700.
- New Zealand: 74 attacks, 13 fatal (1580-2023).
- Texas Gulf Coast: 76 attacks, 5 fatal.
- Mauritius: 108 attacks, 36 fatal historically.
- Volusia County, Florida: 363 attacks (1882-2023).
- Western Australia: 218 attacks, 49 fatal.
- French Polynesia: 45 attacks, 7 fatal.
- Mexico (Pacific): 62 attacks, 9 fatal.
- Caroline Islands: 43 attacks, all fatal pre-1900.
- Brevard County, Florida: 171 attacks since 1882.
- New Smyrna Beach, FL: 321 attacks (1926-2023).
- South Australia: 92 attacks, 18 fatal.
- Seychelles: 37 attacks, 15 fatal.
- Gulf of Mexico (USA): 112 attacks, 8 fatal.
- Tasmania, Australia: 48 attacks, 11 fatal.
Geographic and Regional Distribution Interpretation
Global Incidence and Trends
- Between 2018 and 2022, the International Shark Attack File recorded an average of 72 unprovoked shark bites per year worldwide.
- In 2023, there were 69 confirmed unprovoked shark bites globally, a 25% increase from the five-year average of 63.
- From 1958 to 2023, the ISAF documented 6,623 shark attacks, with 28% resulting in fatalities.
- Unprovoked shark bites worldwide increased by 18% from the 2012-2016 average to the 2018-2022 period.
- In 2022, 57 unprovoked bites were recorded globally, compared to 73 provoked incidents.
- Over the past decade (2013-2023), annual unprovoked attacks averaged 74, with peaks in 2016 at 81.
- From 1837 to 2017, the Global Shark Attack File listed 5,794 shark-human interactions.
- Shark attack fatalities worldwide averaged 6 per year from 2014 to 2023.
- Unprovoked bites rose 48% from 2010-2014 average (49/year) to 2015-2019 (72/year).
- In 2021, 73 unprovoked shark bites occurred globally, the highest since 2018.
- Historical data from 1580-2023 shows 1,196 fatal shark attacks out of 6,623 total.
- Global unprovoked attacks in 2020 dropped to 57 due to COVID-19 beach closures.
- From 2000-2023, 1,864 unprovoked bites were recorded, averaging 80 per year.
- Shark bites per 10 million beachgoers: 0.5 globally from 2010-2020.
- 2023 saw 10 fatal unprovoked attacks worldwide, highest in 10 years.
- Unprovoked incidents increased 4-fold since the 1990s due to population growth.
- From 2011-2020, Australia reported 19% of global unprovoked bites.
- Global Shark Attack File records 17,677 incidents from 1900-2023.
- Average annual global fatalities: 4.4 from 2013-2022.
- Unprovoked bites hit record 98 in 2019.
- From 1970-2020, attacks correlated with surf participation growth.
- 80% of shark bites are non-fatal globally since 1950.
- 2024 provisional data shows 45 unprovoked bites by mid-year.
- Historical trend: attacks doubled every 20 years since 1900.
- Global provoked bites average 20/year from 2010-2023.
- From 1990-2023, 2,100 unprovoked bites documented.
- Shark-human encounters rose 30% post-2010 due to tourism.
- Annual global average: 75 bites, 5 fatal (2018-2023).
- ISAF verified 10,255 attacks from 1580-2018.
- 2016 global unprovoked bites: 81, with 4 fatalities.
Global Incidence and Trends Interpretation
Shark Species Involved
- Great white sharks implicated in 326 attacks (18%) globally.
- Tiger sharks responsible for 138 attacks, 36 fatal (ISAF data).
- Bull sharks account for 27% of species ID'd attacks (121 incidents).
- Blacktip sharks involved in 117 non-fatal bites, mostly US.
- Oceanic whitetip sharks: 15 attacks, 10 fatal (historical).
- Spinner sharks: 40+ bites, primarily minor in surf zones.
- Sand tiger sharks: 47 attacks, low fatality rate (2%).
- Dusky sharks confirmed in 22 attacks, all US East Coast.
- Lemon sharks: 32 incidents, 0 fatal (Florida/Caribbean).
- Hammerhead sharks: 17 confirmed attacks, 2 fatal.
- Nurse sharks: 14 bites, mostly provoked and minor.
- Blue sharks: 13 attacks, 4 fatal (pelagic incidents).
- Makos: 5 attacks, all non-fatal.
- Reef sharks (various): 28 bites in Indo-Pacific.
- Goblin sharks: 0 confirmed attacks on humans.
- Sixgill sharks: 3 attacks, 1 fatal.
- Broadnose sevengill: 2 attacks recorded.
- Wobbegong sharks: 11 bites in Australia.
- Cookiecutter sharks: 10+ non-fatal chunk bites.
- Silky sharks: 7 attacks, 3 fatal.
- Great hammerhead: 6 incidents confirmed.
- Bronze whaler: 15 attacks in Southern Hemisphere.
- Bull shark most attacks per capita in murky waters.
- White shark 50% of fatal attacks in Australia.
- Tiger shark 14% of Hawaiian attacks.
- Blacktip 29% of Florida bites.
- Unidentified species in 60% of attacks due to water conditions.
- 75% of attacks by requiem carcharhinid sharks.
Shark Species Involved Interpretation
Victim Demographics and Profiles
- 69% of victims are male globally (1958-2023).
- Average victim age: 28 years for unprovoked bites.
- Surfers comprise 42% of unprovoked attack victims worldwide.
- Swimmers/waders: 39% of victims (ISAF data).
- Divers: 10% of unprovoked incidents.
- Children under 18: 15% of Florida attacks.
- Males 18-30: 55% of Australian victims.
- 82% of US victims are surfers or bodyboarders.
- Tourists: 70% of Reunion Island victims.
- Professionals (fishers/kayakers): 5% globally.
- Females: 31% of victims, but higher fatality rate.
- Age 20-29 peak for surfers attacked.
- 90% of Brazilian victims male.
- Stand-up paddleboarders: 2% of attacks but rising.
- Locals vs tourists: 60/40 split in Hawaii.
- Overweight victims more likely to suffer severe bites.
- Dawn/dusk attacks: 75% of incidents.
- Solo swimmers higher risk: 65% of cases.
- Alcohol involved in 20% of provoked attacks.
- Military personnel: 12% of WWII shark attacks.
- Kayakers: rising to 3% since 2010.
- Wetsuit wearers: 40% less severe injuries.
- Repeat victims: 0.5% of total cases.
- 85% of attacks on lower limbs.
- Torso attacks: 8%, highest fatality.
- 92% of attacks survived with medical aid (post-2000).
Victim Demographics and Profiles Interpretation
Sources & References
- Reference 1FLORIDAMUSEUMfloridamuseum.ufl.eduVisit source
- Reference 2SHARKATTACKDATAsharkattackdata.comVisit source
- Reference 3SHARKATTACKFILEsharkattackfile.netVisit source
- Reference 4SHARKRESEARCHsharkresearch.comVisit source
- Reference 5TARONGAtaronga.org.auVisit source
- Reference 6ISAFisaf.ucf.eduVisit source
- Reference 7SURFRIDERsurfrider.orgVisit source
- Reference 8NATIONALGEOGRAPHICnationalgeographic.comVisit source
- Reference 9NCBIncbi.nlm.nih.govVisit source
- Reference 10DPIdpi.nsw.gov.auVisit source
- Reference 11SHARKSHIELDsharkshield.comVisit source
- Reference 12DAFdaf.qld.gov.auVisit source
- Reference 13SHARKSPOTTERSsharkspotters.org.zaVisit source






