Former Arizona Sen. Jon Kyl reveals dementia condition

 December 31, 2025

Jon Kyl, a steadfast Republican warrior from Arizona, has announced a dementia diagnosis at age 83, signaling the end of a storied public career.

Once a titan in the U.S. Congress, Kyl shared on Tuesday that he’s stepping away from the spotlight due to this neurological challenge, marking a poignant close to decades of service to Arizona and the nation.

The Washington Examiner reported that Kyl’s journey began with a solid foundation, earning his degree from the University of Arizona, where he met his wife, Caryll, before diving into a career as a water law attorney.

From 1987 to 1995, Kyl served four terms in the House, representing Arizona with a firm conservative grip, never shying away from the tough fights against bloated government overreach.

His ascent to the Senate from 1995 to 2013 saw him complete three full terms, eventually rising to Senate minority Republican whip, a role where he battled the progressive tide with sharp resolve.

Kyl’s tenure wasn’t just about holding the line; he took pride in speaking for Arizonans, often steering the ship through turbulent legislative waters with a steady hand.

A Brief Return and Notable Impact

In 2018, Kyl made a brief return to the Senate, appointed by then-Gov. Doug Ducey to fill the seat left by the late Sen. John McCain, a moment of duty over personal ease.

During this stint, he played a key role in ushering Supreme Court Justice Brett Kavanaugh through a contentious confirmation, a win for constitutional originalists before retiring again on Dec. 31, 2018.

Post-Senate, Kyl didn’t fade away quietly, joining Covington as a lobbyist for heavyweights like PhRMA and Qualcomm, proving his influence endured beyond the Capitol.

In his Tuesday statement, Kyl reflected on his career with gratitude, saying, “I was blessed to represent the people of Arizona in Congress.”

He didn’t sugarcoat the road ahead, admitting, “However, the time has come for me to withdraw from public life. I have been diagnosed with a neurological disease manifesting as dementia.”

Yet, even in this tough moment, Kyl’s words carry a quiet strength, echoing Ronald Reagan’s optimism about America’s future despite personal “sunset” struggles—a reminder of enduring conservative hope.

Support from Across the Political Spectrum

Arizona’s current leaders, including Gov. Katie Hobbs, didn’t hesitate to offer support, with Hobbs noting Kyl’s deep commitment to the state, though one wonders if her progressive policies align with his legacy.

Senators Mark Kelly and Ruben Gallego also chimed in with kind words, a rare bipartisan nod to a man who fought for limited government while they often push for expansive federal programs.

As Kyl steps back, his impact—from Senate battles to the Kyl Center for Water Policy at Arizona State University—stands as a testament to a career built on principle, not the fleeting whims of woke culture.


About Maria Reese Paul

Maria is a staff writer covering conservative politics, policy, and culture with a focus on Washington’s most pressing debates for Heritage Review. She is Passionate about amplifying voices often overlooked in mainstream media.

Breaking News:

Check This Out:

Read Next Issue:

Top 5 News Stories

Read Next Issue:

Top 5 News Stories

Heritage Review is a conservative email-newspaper that publishes every morning. Enter your best email to see our next edition:
Sponsored