| Software engineering | Coding is the single largest use of AI assistants: computer and mathematical tasks are about a third of Claude.ai conversations and nearly half of API traffic, and fixing software errors is the most common task of all. Software developers and security specialists are among the fastest-growing jobs to 2030 and 2034. | [1], [3], [4], [5] |
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| Marketing | Writing is the most common thing people do with ChatGPT at work, and marketing is one of the functions where companies most often use generative AI. About 15% of marketing job postings already mention AI. | [2], [8], [7] |
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| Sales | Microsoft's study of 200,000 Copilot conversations found sales among the occupations where generative AI applies most, because the work is providing and communicating information. Marketing and sales is also one of the functions where companies report the most AI use. | [6], [8] |
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| Data & analytics | Data scientists are projected to grow 34% by 2034, big data specialists top the WEF's fastest-growing jobs, and nearly 45% of data and analytics job postings now mention AI — more than any other job family. | [4], [3], [7] |
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| Product management | AI consultant and strategist is LinkedIn's second fastest-growing US job, product development is one of the areas where leaders already use AI agents, and writing and analysis — most of a PM's week — are the top work uses of AI assistants. | [5], [9], [2] |
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| Customer support | Customer operations is one of the functions where generative AI creates the most value and where leaders already use agents, and customer service is among the occupations with the highest AI applicability in Microsoft's research. | [6], [9], [8] |
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| Finance & accounting | Fintech engineers are the WEF's second fastest-growing job to 2030, and business and financial operations are among the knowledge-work groups where AI assistants are most used for analysis and writing. | [3], [1], [6] |
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| Operations & project management | Office and administrative support is one of the occupation groups with the highest AI applicability and a growing share (13%) of AI API use, and leaders expect to use AI agents to expand team capacity within 18 months. | [6], [1], [9] |
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| HR & recruiting | About 9% of HR job postings already mention AI, and companies increasingly use AI for drafting and knowledge work in people functions. The EU AI Act treats AI used to rank or filter candidates as high-risk, which is why these skills draft and structure rather than decide. | [7], [8], [11] |
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| Design & UX | UI and UX designers are in the WEF's ten fastest-growing jobs to 2030, and arts, design and media work is a rising share of Claude conversations. | [3], [1] |
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| Founders & small business | Small teams now do work that used to need a department: leaders expect AI agents to expand team capacity within 18 months, and AI consultant and strategist — the job of applying AI to a business — is LinkedIn's second fastest-growing US role. | [5], [9] |
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| Legal & compliance | India's DPDP Rules phase in through May 2027 and the EU AI Act's high-risk duties now start in December 2027, so most companies need compliance reading and drafting they don't have staff for — and weak risk controls are one of the main reasons AI projects get cancelled. | [12], [11], [10] |
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| Education & training | Education and instruction is the second-largest use of Claude after coding, rising from 9% to 15% of conversations in 2025, and tutoring and teaching are among the most common practical-guidance uses of ChatGPT. | [1], [2] |
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| Job seekers & careers | Seeking practical guidance is the most common reason people use ChatGPT, and AI skills are now listed in a record share of job postings — so candidates need both better applications and proof they can work with AI. | [2], [7], [3] |
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| Healthcare administration | Healthcare reimbursement specialist is LinkedIn's sixth fastest-growing US job, and healthcare occupations dominate the BLS fastest-growing list to 2034 — while office and administrative work is where AI applies most. | [5], [4], [6] |
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| Writing & communications | Writing is the most common work task in ChatGPT, most of it editing text people already have, and arts, design and media is a rising share of Claude conversations. | [2], [1] |
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