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Michael P. McDonald Headshot

The Age Gap and What It Portends for 2012 and Beyond

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Among the oldest saws in campaigns is that voter turnout will determine the election outcome. Of course this is true, but is has deeper meaning in light of a growing age gap that has emerged in recent elections.

You see, in midterm elections, the youth do not vote. In presidential elections, they do. According to the Census Bureau, the turnout rate of citizens age 18-29 was 25.4% in 2006 and doubled to 51.1% in 2008. (The 2010 statistics are not available yet, but should be similar to 2006.)

While turnout rates are lower for the elderly in midterm elections compared to presidential elections, they do not drop off nearly as much as they do not the youth. According to the Census Bureau, the turnout rate of citizens age 65 and older was 63.1% in 2006 and 70.8% in 2008.

This would not make much of a difference if the youth and the elderly held the same political preferences. They do not. The media's exit polls report that the youth and elderly are now more polarized than in any recent election. I call this an age gap, and I illustrate it in the figure which shows the support for Democratic House candidates among the young (age 18-29) and old (age 65 and older) as they vary around 50%. From 1992 to 2002, the age gap was never more than 6 percentage points. In 2004, the age gap widen to 10 percentage points, slightly decreased to 9 percentage points in 2006, and increased to 13 percentage points in 2008.

2011-01-12-age_support.jpg
Support for Democratic House Candidates, 1992-2010

In 2010 the age gap was 16 percentage points, the largest on record. Now, because the youth tend to vote at low rates in midterm elections, this is a part of the Republican success in the 2010 election. It would be foolish to think that they will stay home in 2012. If we hypothetically apply support for Democratic House candidates in the 2010 election among various ages to the age distribution of the 2008 electorate, Democratic candidates would have received one percentage point more of the total vote. Some of those nail-biter contests won by Republican candidates would have likely been won by the Democratic candidates.

Smart politicians know that the 2010 electorate is unlikely to repeat itself in 2012. Expect them to adjust their policies and rhetoric accordingly if they plan to be reelected to another term in office. And to look beyond, expect the electorate to shift back towards the Republicans in 2014. If this age gap persists, and there is no reason to suspect it will not in the short run, we should observe a regular ebb and flow to the electoral fortunes of the political parties as young people move in and out of the electorate.

For those interested in this commentary and more, read "Voter Turnout in the 2010 Election" published in the on-line journal The Forum.