<human>:  What are the major economic differences between the US and Saudi Arabia?
<bot>: The United States has a much larger GDP than Saudi Arabia and its economy is considered to be the largest in the world. The US pays lower individual taxes than Saudi Arabia and has higher levels of public spending. The US also has a much more developed banking system and has a stronger stock market performance. In addition, the US has a larger manufacturing base, while Saudi Arabia relies heavily on its oil and gas industry. Furthermore, the US has stronger legal systems and regulations to protect workers and investors. In conclusion, the US has a larger, more sophisticated and better regulated economy compared to Saudi Arabia.