The chances of a big asteroid hitting us are small. It occurs about once in 40000 years. Even then, most of the globe is not highly populated. Should an asteroid impact on a big city then it could be deadly. I should not lose sleep.
See http://gizmodo.com/we-were-wrong-about-how-the-asteroid-apocalypse-will-go-1792727736 .
26 Feb 2017
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