which is the most and least popular surname in the world ( in terms of number of living people with same surnames)?



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    There is debate for the number one most common surname between Li (or Lee) and Chang (or Zhang). The Guinness World Record’s Book reported that it was Chang in the 90’s, but some think Li may have surpassed it recently. Either way, both of these names account for more than 100 million people in the world each. In the United States, the most common name is Smith at more than four million people (followed by Johnson, Williams, Brown, and Jones). 

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