How Many Days

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How many days of supplies should a household keep? Most governments that give a number say three. A few say a week or more. How Many Days is a register of 67 governments and bodies, with every figure sourced and every change dated. Play the timeline from 2013, spin the globe, then work out the water and food your own household would need. Free, with no sign-up. The calculators are stocking estimates, not official advice.

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