Which job functions and industries show the greatest productivity gains from AI adoption?

The sources indicate that AI adoption drives productivity gains across various industries, but they do not provide specific quantitative data on the "greatest" gains for particular job functions or sectors. Instead, high adoption rates suggest potential for significant improvements in areas like aerospace, which leads with an 85% adoption rate due to engineering complexity and quality needs [3], and retail, where over 95% of customer support interactions are expected to involve AI by 2026 [3]. Other industries showing strong AI integration include IT & Telecom, Financial Services, and Healthcare, with adoption rates from 38% to 72%, often optimizing daily tasks and mundane processes [9][4]. In manufacturing, AI enhances broad applications for efficiency [12]. For job functions, productivity gains are noted in common workplace tasks, such as automation of routine activities, leading to overall labor productivity increases of about 4% without major job losses [6][7][4]. Occupations involving machine operation see the most employment growth from AI, implying productivity benefits in operational roles [10]. Sectoral variations exist, with executives anticipating stronger gains in 2026, though measured impacts remain heterogeneous and sometimes lag perceptions [8].