Voter turnout is the percentage of eligible voters who actually cast a ballot in an election.

Proportional representation is an electoral system that aims to ensure that the number of seats won by a party in an election is proportional to the number of votes it receives.

Popular vote refers to the number of votes cast for a particular candidate or party in an election.

Australia has a compulsory voting system, which means that all eligible voters are required to cast a ballot in federal and state elections.

Ballot counting is the process of counting and verifying the votes cast in an election.

The United States presidential election uses an electoral college system, in which each state is allocated a certain number of electoral votes based on its population.

Margin of victory refers to the difference in votes between the two candidates who receive the most votes in an election.

China has a very low voter turnout rate, as voting is not compulsory and there are restrictions on who can vote.

Electoral certification is the process of determining the winner of an election by officially counting and verifying the votes.

The United Kingdom parliamentary elections use a first-past-the-post electoral system, in which the candidate who receives the most votes in each constituency wins the seat.

Majority refers to the number of votes required to win an election, which is typically more than half of the total votes cast.

India has the most registered voters in the world, with over 900 million eligible voters.

Redistricting is the process of dividing a country into electoral districts, which is typically done to ensure that each district has roughly the same population.

The European Parliament elections use a proportional representation electoral system, in which each party's share of seats in the parliament is proportional to the number of votes it receives.

An election petition is a legal challenge to the results of an election, typically filed by a candidate or party who believes that the election was not conducted fairly or that the results were inaccurate.