Termination Reasons

Recorded outcomes for every expedition, with counts split between historic (pre-2000) and modern (2000-onwards) records.

02,0004,0006,0008,00010,000Success (main peak) (1)Success (main peak) (1): 6,5596,559Bad weather (4)Bad weather (4): 1,4111,411Bad conditions (5)Bad conditions (5): 1,1801,180Illness / AMS / exhaustion …Illness / AMS / exhaustion / frostbite (7): 495495Route technical / lack of e…Route technical / lack of experience (10): 454454Other (14)Other (14): 332332Accident (6)Accident (6): 303303Did not attempt climb (12)Did not attempt climb (12): 255255Lack of supplies, support o…Lack of supplies, support or equipment (8): 225225Success (subsidiary peak) (…Success (subsidiary peak) (2): 147147Unknown (0)Unknown (0): 136136Lack of time (9)Lack of time (9): 9898Did not reach base camp (11)Did not reach base camp (11): 6666Success (claimed) (3)Success (claimed) (3): 2222Attempt rumoured (13)Attempt rumoured (13): 1212
Outcome Expeditions % of all Before 2000 2000 onwards
Success (main peak) (1) 6559 56.1% 1774 4785
Bad weather (4) 1411 12.1% 507 904
Bad conditions (5) 1180 10.1% 460 720
Illness / AMS / exhaustion / frostbite (7) 495 4.2% 119 376
Route technical / lack of experience (10) 454 3.9% 207 247
Other (14) 332 2.8% 61 271
Accident (6) 303 2.6% 161 142
Did not attempt climb (12) 255 2.2% 125 130
Lack of supplies, support or equipment (8) 225 1.9% 75 150
Success (subsidiary peak) (2) 147 1.3% 47 100
Unknown (0) 136 1.2% 1 135
Lack of time (9) 98 0.8% 41 57
Did not reach base camp (11) 66 0.6% 25 41
Success (claimed) (3) 22 0.2% 15 7
Attempt rumoured (13) 12 0.1% 12 0