The average Kilimanjaro summit success rate has climbed from below 50% to around 60% or more. It varies with the route taken and the length of the trek. The longer you spend on the mountain, the higher your chances of reaching the summit will be.
With increasing awareness about the importance of acclimatization, the average success rate has also increased. While in the past 5 or 6 day routes were most popular, climbers now increasingly opt for longer 7 or 8 day itineraries. If you follow a route ideal for altitude acclimatization, your summit success rate approximates 100%, assuming a reasonable level of fitness and average altitude tolerance.
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