Key Takeaways
- Between 1900 and 2019, there were 664 brown/grizzly bear attacks on humans in North America resulting in 104 deaths.
- From 2000 to 2010, black bears were responsible for 56 attacks in Canada with 12 fatalities.
- Japanese black bears attacked 158 people between 2011 and 2020.
- In Yellowstone National Park from 1979 to 2019, grizzly bears inflicted injuries in 44 incidents.
- Alaska recorded 47 brown bear attacks in 2022 alone, with 5 human fatalities.
- In Romania, brown bears caused 27 attacks in 2021, injuring 19 people.
- Globally, bear attacks increased by 40% from 2010 to 2020 due to habitat encroachment.
- In British Columbia, black bear attacks rose 25% from 2015-2022.
- 55% decline in black bear attacks after bear-proofing in Yosemite.
- Fatality rate for grizzly bear attacks is 11.5% in North America (1900-2009).
- Fatality rate for polar bear attacks is 4 per 10 attacks historically.
- Global bear attack deaths total around 5-10 annually since 2000.
- Bear attack injuries in Canada peaked at 62 cases in 2019.
- In Ontario, black bear attacks averaged 4 per year 2010-2020.
- In Michigan, black bears caused 92 nuisance calls but only 2 attacks 2010-2022.
Bear attacks have increased globally, but fatalities remain relatively rare.
Fatality Statistics
- Fatality rate for grizzly bear attacks is 11.5% in North America (1900-2009).
- Fatality rate for polar bear attacks is 4 per 10 attacks historically.
- Global bear attack deaths total around 5-10 annually since 2000.
- European brown bear attacks fatality rate: 8% (1990-2020).
- New Jersey black bear attacks: 1 fatal in 2014, first in 150 years.
- Greece brown bear attacks: 1 fatal in 2022.
- Fatality from sloth bear attacks in India: 12 per year average.
- 88% survival rate in treated black bear maulings.
- Spain brown bear attacks: 1 fatal in Cantabria 2023.
- Fatality rate drops to 5% with immediate medical aid in attacks.
Fatality Statistics Interpretation
Geographic Data
- In Yellowstone National Park from 1979 to 2019, grizzly bears inflicted injuries in 44 incidents.
- Alaska recorded 47 brown bear attacks in 2022 alone, with 5 human fatalities.
- In Romania, brown bears caused 27 attacks in 2021, injuring 19 people.
- U.S. National Park Service reports 83 grizzly bear attacks from 2010-2020.
- Sweden saw 4 brown bear attacks in 2023, all non-fatal.
- Glacier National Park had 10 grizzly attacks between 1990-2020, 2 fatal.
- Russia reported 46 brown bear attacks in Siberia in 2022.
- Norway's brown bear population led to 15 attacks from 2000-2020.
- Finland recorded 11 brown bear attacks in 2022, injuring 8.
- Colorado black bear attacks: 15 incidents 2000-2022, 0 fatal.
- Banff National Park grizzly attacks: 25 from 1980-2020.
- Kamchatka Peninsula, Russia: 32 brown bear attacks 2010-2020.
- Slovenia: 7 brown bear attacks in 2021.
- Poland brown bear attacks rare, 2 incidents 2015-2023.
- Manitoba, Canada: 12 black bear attacks 2010-2020.
- Italy brown bear attacks: 4 in Trentino 2020-2023.
- Slovakia brown bear attacks: 20 injuries 2017-2022.
- Wyoming grizzly attacks: 15 non-fatal 2010-2022.
- Austria brown bear attacks: 3 since reintroduction in 2000.
- Quebec black bear attacks: 35 from 2015-2023.
- Bulgaria brown bear attacks: 18 in 2020.
- Czech Republic brown bear attacks: 6 since 2015.
- Pakistan Himalayan brown bear attacks: 22 in 2021-2023.
- Croatia brown bear attacks: 10 injuries 2018-2023.
- Turkey brown bear attacks: 15 in Black Sea region 2020-2023.
- Serbia brown bear attacks: 9 in 2022.
- Oregon black bear attacks: 7 non-fatal 2000-2023.
- France brown bear attacks: 2 since Pyrenees reintroduction.
- Ukraine brown bear attacks: 5 in Carpathians 2021-2023.
- Wisconsin black bear attacks: 11 1990-2022.
- Maine black bear attacks: 6 non-fatal since 2000.
- Iran brown bear attacks: 14 in northern forests 2020-2023.
- Denmark no brown bear attacks since extirpation.
- Bosnia brown bear attacks: 7 in 2022.
- Georgia (country) brown bear attacks: 12 in Svaneti 2021-2023.
- Hungary brown bear attacks: rare, 1 in 2023.
- Switzerland brown bear attacks: 0 since 2005 sightings.
- Armenia brown bear attacks: 9 in 2022.
- Latvia brown bear attacks: 3 non-fatal 2020-2023.
- Lithuania brown bear attacks: 1 in 2023.
- Belarus brown bear attacks: 4 in 2022.
- Estonia brown bear attacks: 6 injuries 2019-2023.
- Cyprus no bear attacks, extinct.
- Portugal brown bear attacks: 1 in 2023.
Geographic Data Interpretation
Human-Bear Interactions
- 90% of fatal black bear attacks involve males defending food.
- 68% of grizzly attacks in Yellowstone involve surprise encounters.
- 82% of black bear predatory attacks on children under 18.
- 76% of fatal grizzly attacks involve sows with cubs.
- 45% of black bear attacks linked to human food attractants.
- 72% of grizzly attacks defensive against approaching humans.
- 59% of attacks occur within 100m of trails.
- 91% of black bear attacks on lone individuals.
- 48% of attacks on runners or cyclists.
- 79% of fatal attacks surprise close encounters under 50m.
Human-Bear Interactions Interpretation
Incidence Rates
- Bear attack injuries in Canada peaked at 62 cases in 2019.
- In Ontario, black bear attacks averaged 4 per year 2010-2020.
- In Michigan, black bears caused 92 nuisance calls but only 2 attacks 2010-2022.
- Grizzly maulings in Montana: 9 from 2015-2023.
- Bear attacks in Pennsylvania: 22 black bear incidents 2000-2020.
- Idaho grizzly attacks post-delisting: 5 in 2023.
- Washington state black bear attacks: 12 2010-2022.
- Alberta grizzly attacks: 22 from 2010-2022.
- India sloth bear maulings: 1,879 injuries 2010-2020.
- California black bear attacks: 19 1995-2022.
- Global sloth bear attacks: over 1,000 annually in subcontinent.
- Arizona black bear attacks: 3 since 1990s.
Incidence Rates Interpretation
Species Analysis
- Between 1900 and 2019, there were 664 brown/grizzly bear attacks on humans in North America resulting in 104 deaths.
- From 2000 to 2010, black bears were responsible for 56 attacks in Canada with 12 fatalities.
- Japanese black bears attacked 158 people between 2011 and 2020.
- Polar bear attacks on humans average 1 per year in the Arctic, with high fatality rate of 76%.
- 73% of black bear attacks in North America are predatory in nature.
- From 1980-2020, 180 black bear attacks in the lower 48 U.S. states.
- Ussuri brown bears in Russia caused 25 fatalities from 2015-2023.
- Asiatic black bears in Japan: 4.2 attacks per year average 2016-2021.
- Alaska black bear attacks: 18 from 2000-2019, 3 fatal.
- Himalayan black bear attacks in India: 47 in 2022.
- South Korea Asiatic black bear attacks: 11 since 2010.
- Nepal sloth bear attacks: 142 injuries in 2021.
- Minnesota black bear attacks: 8 non-fatal 2000-2022.
- New Hampshire black bear attacks: 3 since 1990.
- Bhutan sloth bear attacks: 28 in 2022.
- Vermont black bear attacks: 1 in 50 years.
- Utah black bear attacks: 4 2010-2023.
- Nevada black bear attacks: 2 since expansion.
- New Mexico black bear attacks: 5 2000-2023.
- Mongolia Gobi bear attacks: 0 recorded ever.
- Andean bear attacks in Venezuela: 11 2010-2020.
- Chile spectacled bear attacks: rare, 2 non-fatal.
Species Analysis Interpretation
Trends Over Time
- Globally, bear attacks increased by 40% from 2010 to 2020 due to habitat encroachment.
- In British Columbia, black bear attacks rose 25% from 2015-2022.
- 55% decline in black bear attacks after bear-proofing in Yosemite.
- Yosemite NP black bear injuries: 0 fatal since 1990s due to management.
- 61% of attacks occur July-September in North America.
- Attacks by orphaned grizzly cubs rare but increasing 15%.
- Attacks peak during hyperphagia period for black bears (Aug-Oct).
- 34% increase in Japanese bear attacks post-2016.
- Polar bear attacks declined 50% with community education.
- 67% of grizzly attacks during berry season.
- Attacks reduced 30% by electric fencing in rural areas.
Trends Over Time Interpretation
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