Mark Kelly Campaigns Against Arizona Proposition 144

The senator joined opposition to a ballot measure that mandates new voter identification rules for mail-in ballots.

Updated on Oct. 21, 2026 in Elections

Bold flat-color editorial illustration showing a large architectural archway, evoking the institutional gravity of state election policy. — Senator Mark Kelly is campaigning against Arizona Proposition 144, a ballot initiative that would mandate new identification requirements for mail-in voting. AI Illustration. Upload story photo >

Live Poll

Should states require government-issued identification to submit a mail-in ballot?

Senator Mark Kelly held a campaign event in Phoenix to oppose Arizona Proposition 144. The measure would require government-issued identification for mail-in ballots and prohibit noncitizens from voting or contributing to campaigns.

Why it matters

Proponents argue the initiative improves election security and accuracy, while critics contend the added ID requirements threaten to disenfranchise voters who rely on mail-in options.

Mail-in ballots accounted for 80.1% of votes in 2022 and 85.7% in 2020. The measure also introduces a provision allowing voters to tabulate ballots at chosen polling locations.

The players

Mark Kelly

Mark Kelly is a Democratic U.S. Senator representing the state of Arizona.

Arizona Free Enterprise Club

The Arizona Free Enterprise Club is an organization that supports conservative economic and political initiatives.

Will of the People

Will of the People is a political group active in the current ballot measure campaign.

The details

Proposition 144 mandates that voters provide government-issued identification before casting mail-in ballots. While supporters claim the change increases security, critics express concern over the impact on participation in a state where the vast majority of voters historically use mail-in options.

In 2020, mail-in ballots comprised 85.7% of total votes.
In 2022, mail-in ballots comprised 80.1% of total votes.
Senator Mark Kelly held a press event in Phoenix on October 20, 2026.
The election for the Proposition 144 ballot measure is scheduled for November 3, 2026.

Political Context

Opponents of the measure, including Senator Mark Kelly, argue that the additional ID requirements create unnecessary barriers for voters. This perspective contrasts with the position held by the Arizona Free Enterprise Club, which emphasizes the necessity of strengthening ballot verification processes.

Residents should prepare to provide government-issued identification if they intend to vote by mail should the measure pass. Voters may also see changes to their options for tabulating ballots at specific local polling locations.

The takeaway

Voters should confirm their identification documents meet the proposed requirements before heading to the polls or requesting mail-in ballots. Understanding the specific ID mandates can prevent potential delays in ballot processing on election day.