Voter participation rate calculates how many registered voters cast ballots, while voters by population divides the total voting-age population by ballots cast.
In Madison in 2018:
- the voter participation rate was 45 percent,
- the voters by population was 23 percent,
- the number of registered voters at cutoff was 18,343,
- the number of people who registered on election day was 1,693,
- the number of ballots cast was 16,148, and
- the total number of registered voters was 22,327.