The market size for commercial space travel is difficult to estimate accurately, as it is a relatively new and constantly evolving industry. However, according to a report by the investment bank UBS, the space tourism industry could be worth $3 billion by 2030. This estimate is based on the assumption that around 1,000 people will travel to space each year by that time, paying an average of $250,000 per trip. However, other estimates vary widely, with some suggesting that the market could be worth as much as $10 billion or more by 2030. Despite the uncertainty around market size, there are several companies working to develop commercial space travel, including SpaceX, Blue Origin, and Virgin Galactic. These companies are investing heavily in research and development, with the goal of making space travel more accessible and affordable for a wider range of consumers. As the technology improves and costs come down, it is likely that the market for commercial space travel will continue to grow in the coming years.