You have it a bit backwards, actually.
Yes, there are voters and non-voters.
But voters tend to vote for a particular party.
There is a certain ceiling on the number of people who vote, and non-voters are unlikely to be converted into voters. However, it can happen in rare circumstances.
However, voters can become non-voters. These are people who are not inspired by the candidates their party of choice has selected, or not motivated by the issues in the race.
And that is what happened with the GOP ticket in 2008.
Fewer Republican voters came out to vote than had 4 years earlier.
At the same time, more Democrat voters came out than ever had in any election in history. Many of these were non-voters who became voters for the first time. They were not voting for a party or a platform, but for an individual, because they wanted to be part of history by voting for the first black man to run for president. It was a feel good personal statement for them. That moment has passed, history has been made, and so many of them won’t be there for 0bama in 2012.
There are a lot of Catholic voters.
The same phenomenon happened with black voters, and with Hispanic voters.
We even had a surge of union voters moving out of the Republican orbit into that of the Democrats.
The total number of voters was simply not outside the bounds of historic results.
It's not that MORE DEMOCRATS showed up, but that more Catholics, blacks, hispanics and union members voted Democrat rather than Republican.
Funny, I thought it was all the fraud perpetrated by the ACORN groups.