These differences form economic identities that shape each city as much as their culture and geography do. And they’re starkly — and beautifully — visible in a new visualization, made by Harvard Ph.D. student Robert Manduca, that maps nearly every job in America, one dot per job. His project, which draws on Census data reported by employers, is modeled off Dustin Cable’s well-known racial dot map that mapped every person in the country.
The result, in metropolitan Washington, looks like this, with manufacturing and trade jobs shown in red; professional services jobs in blue; healthcare, education and government in green; and retail, hospitality and service-sector jobs in yellow.
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