Wealthiest Man On Earth today ...Or On Mars in Coming Future

Elon Musk's net worth is approximately $852 billion. He is the wealthiest person in the world, with his fortune primarily tied to his ownership stakes in SpaceX and Tesla. 

Musk has achieved several net worth milestones in a short time frame, becoming the first person to reach $300 billion in 2021, $500 billion in October 2025, and $800 billion in February 2026. He is considered to be on the verge of becoming the world's first trillionaire.