Disqualifications of voters (Sec. 118, BP 881)

"Suffrage may be exercised by all citizens of the Philippines not otherwise disqualified by law, who are at least eighteen years of age, and who shall have resided in the Philippines for at least one year and in the place wherein they propose to vote for at least six months immediately preceding the election. No literacy, property, or other substantive requirement shall be imposed on the exercise of suffrage." (Section 1 of Article V of the 1987 Constitution)

[1] Any person sentenced by final judgment to suffer imprisonment for not less than one year (unless granted a plenary pardon or an amnesty); but right is reacquired upon the expiration of 5 years after service of sentence.

[2] Any person adjudged by final judgment of having committed any crime involving disloyalty to the government or any crime against national security (unless restored to full civil and political rights in accordance with law); but right is reacquired upon the expiration of 5 years after service of sentence.

[3] Insane or incompetent persons as declared by competent authority. (Sec. 118, BP 881)