Happy birthday to you! How common is your baby’s birthday?

Your child’s birthday is their special day, but if they’re born in September, they’re more likely to share that day with a huge number of others.

A peak in births in late September show that more babies are conceived around Christmas than at any other time of the year – so the stork might be very busy about nine months from now.

And it’s not quite one born every minute, more like one born every one minute and 44 seconds, according to the Australian Bureau of Statistics.

Birth data has been used to look at trends in the most and least popular birth dates over the past two decades, revealing that highest number of births at the end of September.

The Office of National Statistics says September 26 is the most popular day to be born, which falls 39 weeks and two days after Christmas Day. A heat map prepared by the office shows the popular birth days, with very similar findings for Australia, New Zealand and the US.

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