Jose Pepe Mujica | Why Jose Mujica, Uruguay's President Was Known As World's Poorest Presidenrt Jose Mujica Dies At 89. Jose Mujica, the former guerrilla fighter who became Uruguay's president, has died aged 89. Known as "the world's most humble president," Mujica lived in a modest farmhouse, drove a beat-up Volkswagen, and gave away most of his salary -- even while holding the country's highest office. His life journey, from prison to presidency, made him one of the most unique and admired leaders in Latin America. Watch his story.