Mark Kelly won with 51.2% of the vote (1,716,467 votes), ahead of Martha McSally with 48.8% (1,637,661 votes).
The margin between the first two candidates was 2.3 percentage points (78,806 votes). The party margin (Republican share minus Democratic share) was a Democratic lead of 2.3 points.
Compared with the previous comparable race in the same area, the party margin moved 0.0 points toward Democrats.
3,355,307 votes were counted in this race, for 19 candidates or options.
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