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--- 15350697
How much insurance would have to be claimed at once before the whole economy asploded?
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>>15350697 (OP)
That wouldn't crash the economy. 

A more interesting question would be "How many people have to stop paying income taxes before the IRS is disbanded?"
Most estimates say as little as 10%, some are as high as 25%. 
FYI, only about 55% of people pay income tax directly. The rest pay it indirectly via higher prices in other methods. 
Also, only around 45% of people pay property taxes directly.
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>>15352608
>FYI, only about 55% of people pay income tax directly.
How else are they paying it?
Never heard of a non-direct way
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>>15350697 (OP)
$10m per person i guess idk