Rahim Al-Hussaini has been named the new Aga Khan, spiritual leader of the world's millions of Ismaili Muslims.

The Aga Khan, known for his triumphs in horse racing, dazzling wealth and development work around the world, has died in Lisbon at the age of 88, according to the Aga Khan Development Network on X.

LISBON, Portugal — The Aga Khan, who became the spiritual leader of the world’s millions of Ismaili Muslims at age 20 as a Harvard undergraduate and poured a material empire built on billions of dollars in tithes into building homes, hospitals and schools in developing countries, has died. He was 88.