The economy of Los Angeles is driven by international trade, entertainment (television, motion pictures, video games, music recording, and production), aerospace, technology, petroleum, fashion, apparel, and tourism.
Other significant industries include finance, telecommunications, law, healthcare, and transportation.
In the 2017 Global Financial Centres Index, Los Angeles was ranked as having the 19th most competitive financial center in the world, and sixth most competitive in United States (after New York City, San Francisco, Chicago, Boston, and Washington, D.C.).

One of the five major film studios, Paramount Pictures, is within the city limits, its location being part of the so-called "Thirty-Mile Zone" of entertainment headquarters in Southern California.

Los Angeles is the largest manufacturing center in the United States.
The contiguous ports of Los Angeles and Long Beach together comprise the busiest port in the United States by some measures and the fifth-busiest port in the world, vital to trade within the Pacific Rim.

The Los Angeles metropolitan area has a gross metropolitan product of $1.0 trillion (as of 2017), making it the third-largest economic metropolitan area in the world, after Tokyo and New York.
Los Angeles has been classified an "alpha world city" according to a 2012 study by a group at Loughborough University.

The Department of Cannabis Regulation enforces cannabis legislation after the legalization of the sale and distribution of cannabis in 2016.
 As of October 2019, more than 300 existing cannabis businesses (both retailers and their suppliers) have been granted approval to operate in what is considered the nation's largest market.

As of 2018, Los Angeles is home to three Fortune 500 companies: AECOM, CBRE Group, and Reliance Steel & Aluminum Co.
The economy of Los Angeles is driven by international trade, entertainment (television, motion pictures, video games, music recording, and production), aerospace, technology, petroleum, fashion, apparel, and tourism. Other significant industries include finance, telecommunications, law, healthcare, and transportation. In the 2017 Global Financial Centres Index, Los Angeles was ranked as having the 19th most competitive financial center in the world, and sixth most competitive in United States (after New York City, San Francisco, Chicago, Boston, and Washington, D.C.).
One of the five major film studios, Paramount Pictures, is within the city limits, its location being part of the so-called "Thirty-Mile Zone" of entertainment headquarters in Southern California.
Los Angeles is the largest manufacturing center in the United States. The contiguous ports of Los Angeles and Long Beach together comprise the busiest port in the United States by some measures and the fifth-busiest port in the world, vital to trade within the Pacific Rim.
The Los Angeles metropolitan area has a gross metropolitan product of $1.0 trillion (as of 2017), making it the third-largest economic metropolitan area in the world, after Tokyo and New York. Los Angeles has been classified an "alpha world city" according to a 2012 study by a group at Loughborough University.
The Department of Cannabis Regulation enforces cannabis legislation after the legalization of the sale and distribution of cannabis in 2016.  As of October 2019, more than 300 existing cannabis businesses (both retailers and their suppliers) have been granted approval to operate in what is considered the nation's largest market.
As of 2018, Los Angeles is home to three Fortune 500 companies: AECOM, CBRE Group, and Reliance Steel & Aluminum Co.
Los Angeles