PALO ALTO, Calif., July 14, 2026 (GLOBE NEWSWIRE) -- Upwork Inc. (Nasdaq: UPWK), the world's human and AI-powered work marketplace, today released its second annual Future Workforce Index 2026, a study of 2,400 U.S.-based skilled knowledge workers combined with Upwork Marketplace platform data. The research finds that over 1 in 3 skilled U.S. knowledge workers now freelance, up from roughly 1 in 4 a year ago, as AI restructures which work commands a premium.