Young-Adult Voting: An Analysis of Presidential Elections, 1964–2012

Source: Thom File, U.S. Census Bureau, Population Characteristics, P20-573, April 2014

From the press release:
Voting rates among young adults fell to 38.0 percent in 2012 from 44.3 percent in 2008 following increases in two consecutive presidential elections (2008 and 2004), according to a new U.S. Census Bureau report on age and voting patterns released today.

These statistics come from Young Adult Voting: An Analysis of Presidential Elections, 1964-2012, which uses data collected by the Current Population Survey. The report provides a detailed 50-year historical portrait of voters with a specific focus on young adults.

In every U.S. presidential election from 1964 on, 18- to 24-year-olds voted at lower rates than all other age groups. In contrast, Americans 65 and older have voted at higher rates than all other age groups since the 1996 election….
Related:
Online Data Tools: Voting Report
In addition to the report, the Census Bureau released an interactive Voting Report that provides comparisons of voting and registration patterns by demographic, social and geographic characteristics for the U.S. and states….