Matt Stiles’ Birthday Heat Map — How Common Is Your Birthday?
Data journalist, Matt Stiles, compiled a data chart for each day of the year ranking how many babies were born in the United States on each date from 1973 to 1999.
“Apparently, people like to make babies around the winter holiday season because a large proportion of babies are born in September.”
It seems climate does indeed affect our behavioral patterns, which is understandable, just keep in mind that this data is from the United States alone. Even though this chart claims my DOB is uncommon, I was born on an island and not in America so I don’t think I’m represented here. Nevertheless, this is an interesting trend to monitor:
UNC-Charlotte Ph.D. student, Lane Harrison, has an aptitude for creating visualizations and has built an interactive chart that further expands our understanding of the data above, that you can view here: Babymaking: an interactive version of Matt Stiles’ “How Common Is Your Birthday?


