According to the Bloomberg Billionaires Index, Elon Musks net worth is estimated to be around $207 billion as of October 2023. However, his net worth is constantly fluctuating due to the value of his companies, primarily Tesla and SpaceX. As of July 2023, Musks roughly 13% stake in Tesla was worth $107 billion. In June 2023, SpaceX was valued at nearly $150 billion after a $750 million tender offer, which nearly quintupled its value in four years. Musk also owns social networking company X, previously known as Twitter, which he acquired for $44 billion in October 2022.

According to the Real-Time Billionaires List by Forbes, as of October 29, 2023, Elon Musk is the richest person in the world with a net worth of $220.8 billion. However, it is important to note that Musks net worth is constantly changing due to the fluctuations in the value of his companies.