Candidates filed their certificates of candidacy from April 22 to 28.

The following are survey results before the deadline of filing of certificates of candidacy.

Trillanes filed his certificate of candidacy on February 7, 2007, to run as an independent Senator even though he was detained for coup d'état.

Poe filed her certificate of candidacy the next day on October 2, 2012.

Doy immediately filed his certificate of candidacy as President at the Comelec.

The two men filed their respective certificates of candidacy for president and vice-president on November 28, 2009.

The president filed her certificate of candidacy on December 1, and her son Mikey retired from politics to give way for her mother to run.

In 1998, Comelec did not give due course to his certificate of candidacy.

He filed his certificate of candidacy (COC) for senator on November 27, 2009.

The victims were about to file a certificate of candidacy for Esmael Mangudadatu.