What is the average time a human survives without water?

As others have stated, 3 days on average. There are several variables, however, and is not a guarantee that a person would last even that long, while others may go longer without.

One thing to realize is that in nearly every case of people being rescued from their situation, they were dehydrated before they were effectively IN a survival situation.

This significantly decreases that "3 day rule".

Other factors would include a person's health & fitness, if they have an illness, i.e., cold or flu virus, temperatures, geographic location, etc.

Three days. Depends on the environment.

What You Need To Know About Water

The number of 3 applies in general with average humans. 3 minutes without air, 3 days without water, and 3 weeks without food. Naturally this ratio changes when a person is doing very strenuous activity, or is larger, smaller, or more/less in shape.

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A house fire in the dead of winter in Michigan, and the house was 3,500 sq ft and we had to check to make sure no one was home and the home was fully involved. Thank God no one was home, but it was a total loss by the time I'd

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