Survival Rates by Decade

Per-member summit and death rates aggregated by decade, plus a deaths-per-summit ratio that captures relative risk independent of expedition volume.

0%20%40%60%80%100%1900192019401960198020002020Summit rate
0%10%20%30%40%50%1900192019401960198020002020Death rate
Decade Members Summits Deaths Member Deaths Hired Deaths % Summited % Died Deaths / 100 Summits
1900s 13 1 5 1 4 7.7% 38.462% 500.00
1910s 3 1 0 0 0 33.3% 0.000% 0.00
1920s 70 0 14 4 10 0.0% 20.000% -
1930s 266 30 6 2 4 11.3% 2.256% 20.00
1940s 68 18 0 0 0 26.5% 0.000% 0.00
1950s 958 194 25 16 9 20.3% 2.610% 12.89
1960s 1129 316 32 22 10 28.0% 2.834% 10.13
1970s 3704 801 155 97 58 21.6% 4.185% 19.35
1980s 10299 2225 247 200 47 21.6% 2.398% 11.10
1990s 13695 4131 206 159 47 30.2% 1.504% 4.99
2000s 21322 9292 193 138 55 43.6% 0.905% 2.08
2010s 26571 13154 222 148 74 49.5% 0.835% 1.69
2020s 14669 9337 72 50 22 63.7% 0.491% 0.77