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CONCLUSIONS

Based on data 1922 - 2006.

ALL CLIMBERS
  • Everest has been attempted 11000 times
  • 3000 attempts have been successful (reached the summit)
  • Success rate is 29%
  • 207 climbers have died on Everest
  • Fatality rate is 2.05%
  • 54 of the summiteers died
  • Summit to Fatality rate is 1.82%
NON PORTER NATIONS (EXCLUDING CHINA, NEPAL, INDIA)
  • Everest has been attempted 7700 times
  • 1600 attempts have been successful (reached the summit)
  • Success rate is 20%
  • 104 climbers have died on Everest
  • Fatality rate is 1.34%
  • 39 of the summiteers died
  • Summit to Fatality rate is 2.52%
EVEREST AND AGE OVERALL
  • The Attempt to Fatality rate does not significantly vary with age. 0-29y = 1.9%, 30-39y = 1.7%, 40-49y = 1.5%, 50-100y = 1.6%.
  • The summit to Fatality rate does vary slightly when porters are included in statistics. Age below 40 = 1.6%, Age 40 and above = 2.3%
EVEREST AND AGE (EXCLUDING CHINA, NEPAL, INDIA)
  • Climbing porters have a higher success rate than non porters. The porters are younger than the general Everest population. Porters thus have to be excluded when further comparing age.
  • The success rate for climbers (non porter nations) does not vary with age. Climbers below 40 years have a success rate of 20.9%, Climbers 40 years and above have a success rate of 20.3%
  • The summit to Fatality rate does not vary with age. Climbers below 40 have a Summit to Fatality rate of 2.5%. Climbers 40 years and above have 2.6%
  • The Attempt to Fatality rate does not vary with age. Climbers below 40 have an Attempt to Fatality rate of 1.4%. Climbers 40 years and above have an Attempt to Fatality rate of 1.3%