Filing for the New Hampshire presidential primary closes at the end of the day, Friday, October 28. So far there are 24 candidates running in the Republican presidential primary of January 10, 2012, and 12 candidates running in the Democratic presidential primary.

Most presidential election years, New Hampshire has the nation’s most crowded presidential primary ballots. Anyone may qualify by submitting a check for $1,000. New Hampshire encourages lots of candidates, in order to increase the filing fee revenue.

The most crowded presidential primary ballot in the nation’s history was the Democratic ballot in New Hampshire in 1992, when 36 candidates qualified.