When Americans talk about “robots taking our jobs,” they’re usually referring to factory work.
That’s because we don’t have self-driving trucks yet.
Truck driving is one of the occupations most vulnerable to automation, and one of the most common. That combination, many believe, represents one of the largest eventual threats to the American economy.
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There are 1.8 million truck drivers in the U.S., making it one of the largest occupations in the country. There are tens of thousands of truck drivers in most major metropolitan areas.
Some economies rely on truck driving more than others: In Omaha, 2.8% of people who have jobs are truckers. In Joplin, Mo., it’s 5.6%. The threat of losing those jobs over the next decade is real: Last fall a truck full of beer in Colorado made the first fully automated delivery.
Here, a list of the metros—small and large—where the largest percentage of workers are truckers according to Bureau of Labor Statistics data:
- Joplin, Mo.: 5.6% (4,300 truck drivers)
- Fayetville, N.C.: 4.2% (9,820 truck drivers)
- Midland, Texas: 4.2% (3,620 truck drivers)
- Fort Smith, Ark.: 3.9% (4,240 truck drivers)
- Greeley, Co.: 3.5% (3,410 truck drivers)
Honorable mention: Memphis: 2.3% (14,420 truck drivers)
A version of this article appears in the May 1, 2017 issue of Fortune with the headline “Long-Haul Trucking U.S.A.”