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World Population Day: 10 most populous countries in the world (and where does the US rank on the list)

Observed every year on July 11, World Population Day is a reminder of the dynamic shifts in global demographics. Established by the United Nations Development Programme (UNDP) in 1989 and ...

Columbus falls in population ranking of U.S. cities as growth bested by Charlotte

For the first time in eight years, Columbus has fallen down a peg in the population ranking of U.S. Cities, per new Census Bureau data.