Age Groups in US 2014 | The End of Traffic and the Future of Transport

Behaviors vary by generation, and generations are different sized. Millennials (1984-2003) are larger than the generation before and after.   From Levinson and Krizek (2015) The End of Traffic and the Future of Transport. http://davidlevinson.org/the-end-of-traffic-and-the-future-of-transport/  Figure 3.1 Source: US Census Bureau.
Behaviors vary by generation, and generations are different sized. Millennials (1984-2003) are larger than the generation before and after.
From Levinson and Krizek (2015) The End of Traffic and the Future of Transport. 
Figure 3.1 Source: US Census Bureau.