Psephology is a division of political science that deals with the examination as well as the statistical analysis of elections and polls. Those people who practice psephology are called as psephologists. A few of the major tools that are used by a psephologist are historical precinct voting data, campaign finance information, and other related data. Public opinion polls also play an important role in psephology. Psephology also has various applications specifically in analysing the results of election returns for current indicators, as opposed to predictive purposes. For instance, the Gallagher Index measures the disproportionality of an election.
Degrees in psephology are not offered (instead, a psephologist might have a degree in political science). Knowledge of demographics, statistics, and politics are required of psephologists.