Ho-hah! I do believe the LP is the largest 3rd Party!

[The One and Only...]

"Libertarians have long been advocates of having the smallest government and fewest possible restraints on individual rights. Many see themselves as 'currently a fringe part of the American polity.' But [they] may be underestimating [the] movement's influence. In 2000, 1.7 million people voted for Libertarian Party candidates for the U.S. House. That's the first time a third party has ever pulled more than a million votes in congressional contests, according to Richard Winger, editor of Ballot Access News, which tracks such things. It was the best showing, percentage-wise, for a minor party since Henry Wallace's Progressive Party in 1948."
-- Noah Shachtman, The American Prospect, October 7, 2003