Unintentional Venn diagram suggests opposite meaning

After seeing a 1950s physical visualization, I wondered if I could follow a similar process using modern techniques.

Instead of looking at only the most common job in each state, I found the top five for a slightly wider view.

How does the distribution of calories vary by fast food restaurant? Here’s a chart that shows all the menu items for ten of the biggest national fast food chains.

States aren’t uniformly young and old. Well, other than Maine. This is the breakdown by age group and regions.