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The method, in plain words · 2026 edition, 12 October 2026

How we score careers

Every career in the Career Explorer gets an AI Resistance Index from 1 to 99. It is a ranking: a score of 76 means the career is more resilient than 76% of the 831 careers we score. This page explains where the number comes from, and where it stops being useful.

What we score

All 831 occupations in the US Bureau of Labor Statistics projections, across 22 kinds of work, from healthcare and the skilled trades to law, finance, technology and the arts. That is every occupation in the BLS projections, not a hand-picked list.

Where the evidence comes from

Published datasets, used as they were released: the BLS 2025–35 projections and its new AI exposure categories (August 2026), O*NET 31.0 (August 2026), Microsoft's study of 200,000 Copilot conversations (2025), Anthropic's observed exposure (March 2026) and robot exposure (September 2026) data, the OpenAI and University of Pennsylvania exposure ratings (Science, 2024), and Felten, Raj and Seamans (2023). The headline findings around them come from the ILO, IMF, OECD, World Economic Forum, Stanford, PwC, McKinsey, Goldman Sachs, the New York Fed, Yale and Indeed. We read the original reports, not summaries of them.

What goes into the score

One worked example: physical therapists

76
AI is changing this fastestMost resilient

Figures from the 2026 edition of the Career Explorer.

What changed in the 2026 edition

What a score cannot tell you

Our rules

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