How long do bearded dragons live for?

I was just wondering how long Central Bearded Dragons live for, because I've heard people say that they live for 5 years, 10+ years and even a man at the Easter Show who was displaying some reptiles and other bearded dragons said that they live for 70 years. I am not sure which is the correct life span. My... show more I was just wondering how long Central Bearded Dragons live for, because I've heard people say that they live for 5 years, 10+ years and even a man at the Easter Show who was displaying some reptiles and other bearded dragons said that they live for 70 years. I am not sure which is the correct life span. My beardie is well taken care of and is around 1 year old (give or take a few months).
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