The economy of Oklahoma is the 30th largest in the United States.

Oklahoma's gross state product (GSP) is approximately $197.2 billion as of December 2018.

The history of Oklahoma's GSP according to the Bureau of Economic Analysis and the United States Census Bureau[13] Industries value added to Oklahoma GDP in Q1 2020.

There were approximately 1.8 million in the Oklahoma labor force in 2018.

The largest employer in the state is the United States Department of Defense, which employs approximately 69,000 workers or 3.8% of all working Oklahomans.