Tesla Inc (NASDAQ:TSLA) CEO Elon Musk ended 2025 as the world's richest person with a wealth of $619 billion. Musk recently became the first person to ever hit the $600 billion milestone and he could be in for more gains in 2026 thanks to a reported SpaceX IPO and a new pay package at Tesla. Musk wasn't the only billionaire to see their wealth grow dramatically in 2025. Here's a look at the top 10 richest people in the world and how their wealth compares to some of the most well-known public com