PEW has carried out a series of analyses and some include very interesting comparisons of different cohorts at the same age. 



Steven E. Polzin, PhD

Director, Mobility Policy Research

Center for Urban Transportation Research

University of South Florida

813-974-9849 (o)

813-416-7517 (c)




From: [] On Behalf Of Ed Christopher
Sent: Thursday, August 13, 2015 6:06 PM
Subject: Re: [CTPP] more on journey to work and Millennials


You are not being a crank.  You present a good question.  Is the travel of Millennials different than that of baby boomers when the baby boomers were the millennials age?  I can give you an answer but I can not not cite all the references and research.  Hopefully others can chime in with specifics.  I do know that this is a question that has been asked and a few researchers, using NHTS and other sources have more or less answered it. Yes, the travel of Millennials is different than that of baby boomers when they were the age of the Millennials.  As you might imagine, having good data to answer the question is the hard part.  Two years ago at TRB we had a session on this topic where it was discussed at length.  Hopefully others on this list will be able to put their hands on the specific research to give more details than my broad sweeping generalization.   

On 8/13/2015 4:31 PM, Mike Cline wrote:

Sorry to be a crank and perhaps it is because I am personally sandwiched between these two generations and sick of hearing about them both...

Interesting statistics but why compare an older age group with a younger age group and then place a generational label.  I am afraid that, without some context, folks are going to make conclusions that might be more about age differences (an age group at the height of their career vs. an age group at the beginning)?  Generational (cohort) comparisons would be more appropriate if you could compare the Baby boom when they were young to the millenials at the same age.  Not saying there are not differences but I am afraid that these side by side comparisons would lead some (the press) to draw conclusions that are beyond what can be told from the data. 

Michael E. Cline, PhD
Associate Director
Hobby Center for the Study of Texas
Rice University
5615 Kirby Dr
Ste 840
Houston, TX 77005
Mailing Address:
6100 Main St,MS-202
Houston, TX 77005

On 8/13/2015 1:46 PM, wrote:

In case you haven’t seen these, we posted new profile sheets that use the 2006-2008 ACS and the 2011-2013 ACS Public Use Microdata Sample. 

In these profiles, Baby Boomers are defined as those born between 1946 and 1964, and Millennials are defined as those born between 1983 and 2000. 


For the 2006-2008 ACS, many of the Millennials were not yet of working age. 

The geography is limited only to those Counties for which PUMA geography has matching boundaries.


I have seen some recent forecasts about declining gasoline prices, so we will see how this impacts the mode to work and auto ownership for younger workers in the near future.


Elaine Murakami

FHWA Office of Planning

206-220-4460 (in Seattle)


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Ed Christopher