California’s Economy Is The Largest In The United States, Second Only To A Few Industrialized Countries. In 2022, California’s GDP Was $3.6 Trillion, Representing 14.3% Of The Total US Economy. In 2021 And 2022, California Remained The 5th Largest Economy In The World. If California Were A Separate Economy In 2022, It Would Rank As The World’s Fifth Largest Economy, Behind Japan And Ahead Of India. Source/trends.google.com