Poll book

The electoral roll (also called an electoral register or poll book) is a list of persons who are eligible to vote in a particular electoral district and who are registered to vote, if required in a particular jurisdiction. An electoral roll has a number of functions, especially to streamline voting on election day. Voter registration is also used to combat electoral fraud by enabling authorities to verify an applicant's identity and entitlement to a vote, and to ensure a person doesn't vote multiple times. In jurisdictions where voting is compulsory, the electoral roll is used to indicate who has failed to vote. Most jurisdictions maintain permanent electoral rolls while some jurisdictions compile new electoral rolls before each election. In some jurisdictions, people to be selected for jury or other civil duties are chosen from an electoral roll.

Electoral rolls, under various names, are used in, for example, the United States, United Kingdom, Australia, and New Zealand, but not all jurisdictions require voter registration as a prerequisite for voting, such as in the State of North Dakota in the United States. Most jurisdictions close updating of electoral rolls some period, commonly 14 or 28 days, before an election, but some American jurisdictions allow registration at the same time as attending a polling station to vote, and Australia closes the rolls 7 days after an election is called, rather than with reference to election day.

Traditionally, electoral rolls were maintained in paper form, either as loose-leaf folders or in printed pages, but nowadays electronic electoral rolls are increasingly being adopted. Similarly, the number of countries adopting biometric voter registration has steadily increased. As of 2016, half of the countries in Africa and Latin America use biometric technology for their electoral rolls.

A permanent Commonwealth electoral roll, first compiled in 1908 and now maintained by the Australian Electoral Commission (AEC), is used for federal elections and referendums. It also forms the basis of state (except in Western Australia, which compiles its own) and local electoral rolls.

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