Using Harvard University data, the graph shows September 16 as the most common birthday in the U.S., while December 25 and February 29 are the least common. The heat graph, while telling you how ...

But that’s not all we can tell from the chart ... February 29 ranked 347th out of 366 on the list. You can play around with the interactive graphic, and see the full ranking of birthdays ...

September 27 tops the charts, with 1,944 babies ... Christmas Day itself is the next least common birthday (1,378), followed by New Year's Day (1,545) February 29, however, which only comes ...

Anne-Marie launched her new era in early February with Birthday ... with 412,000 chart sales. The first ever birthday song to reach the UK Top 40 was Happy Birthday, Sweet Sixteen by Neil Sedaka ...

This birthday chart is one for the ages. The Daily Mail has come up with a brilliant new tool that reveals the popularity of every single birthday in the U.K. The figures were calculated by ...