Former Arizona Senator Jon Kyl Dies at 84

Former Arizona Senator Jon Kyl, a influential Republican figure known for his work on water policy and national security, died on September 17, 2026, at the age of 84. His family confirmed his passing, attributing it to complications from a neurological disease that manifested as dementia. Kyl had announced his dementia diagnosis and withdrawal from public life in December 2025. In a statement at the time, he said, "My family and I now head down a path filled with moments of joy and increasing difficulties." His family later released a statement saying, "We know that Jon belonged to all of Arizona, a state he loved and explored with vigor, curiosity and wonder." His congressional career spanned nearly three decades. Kyl served in the U.S. House of Representatives from 1987 to 1995 and in the U.S. Senate from 1995 to 2013. He rose to become the Senate Republican Whip, the second-highest ranking GOP leadership post, from 2007 until his initial retirement in 2013. During his tenure, he was a key player on issues ranging from foreign policy to taxes, and he helped shape critical policy in national security, tax reform, and judicial appointments.