The US state expresses worries that President Donald Trump's tariffs could stunt future growth.

The data shows California’s gross domestic product (GDP) hit $4.10 trillion (£3.08 trillion) in 2024, surpassing Japan, which was marked at $4.01 trillion. The state now only trails Germany, China and the US as a whole.

California has the largest share of manufacturing and agricultural production in the US. It is also home to leading technological innovation, the centre of the world’s entertainment industry and the country’s two largest seaports.