This is just a neat visualization of age in the U.S. It’s a simple bar chart showing the age distribution of the population. What’s cool is that it’s animated, with one second for each five years.
It comes courtesy of Calculated Risk — a blog anyone with an interest in real estate economics oughta read.
Note, starting in 1930, the dip of the Baby Bust. And in 1945-1950 see the big bubble of the Baby Boom. Both the trough and the bump then make their way across as time goes by.