Voter Registration & Historical Election Data
Voter Registration Statistics - October 1, 2019*
| Party Name | Registered Voters | Percent |
|---|---|---|
| Republican | 1,347,548 | 34.77% |
| Other | 1,282,354 | 33.09% |
| Democrat | 1,207,031 | 31.14% |
| Libertarian | 32,514 | 0.84% |
| Green | 6,405 | 0.17% |
| Total | 3,875,852 |
*Voter registration statistics are calculated as prescribed by A.R.S. § 16-168(G)
Most Recent Voter Registration Report (PDF)
View Previous Registration Numbers
Historical Election Information
General Election Information
1998-2016
| Election Year (Click for more information) |
Registered Voters |
Ballots Cast |
Voter Turnout (%) |
| 2018 | 3,716,263 | 2,409,910 | 64.85 |
| 2016 | 3,588,466 | 2,661,497 | 74.17 |
| 2014 | 3,235,963 | 1,537,671 | 47.52 |
| 2012 | 3,124,712 | 2,323,579 | 74.36 |
| 2010 | 3,146,418 | 1,750,840 | 55.65 |
| 2008 | 2,987,451 | 2,320,851 | 77.69 |
| 2006 | 2,568,401 | 1,533,032 | 60.47 |
| 2004 | 2,643,331 | 2,038,069 | 77.10 |
| 2002 | 2,229,180 | 1,255,615 | 56.33 |
| 2000 | 2,173,122 | 1,559,520 | 71.76 |
| 1998 | 2,264,301 | 1,037,550 | 45.82 |
Primary Election Information
1998-2018
| Election Year (Click for more information) |
Registered Voters |
Ballots Cast |
Voter Turnout (%) |
|---|---|---|---|
| 2018 | 3,632,337 | 1,208,113 | 33.26 |
| 2016 | 3,400,628 | 989,754 | 29.10 |
| 2014 | 3,247,146 | 877,270 | 27.02 |
| 2012 | 3,100,575 | 870,875 | 28.09 |
| 2010 | 3,102,876 | 933,650 | 30.09 |
| 2008 | 2,799,390 | 638,348 | 22.80 |
| 2006 | 2,533,308 | 584,526 | 23.07 |
| 2004 | 2,440,144 | 602,888 | 24.71 |
| 2002 | 2,207,450 | 557,437 | 25.25 |
| 2000 | 2,042,462 | 486,836 | 23.84 |
| 1998 | 1,921,565 | 377,855 | 19.66 |
