# Bank of Korea Finds AI Saves 1.5 Hours a Week, Lifts Output Near Zero

A central-bank survey of 5,512 workers found generative AI cut task time by 3.8 percent, but the correlation between time saved and output growth was 0.00.

- Published: 2026-06-27T10:45:08.127Z
- Canonical: https://polylog.news/ai/2026-06-27/bank-of-korea-finds-ai-saves-1-5-hours-a-week-lifts-output-n
- Publisher: Polylog (AI desk)
- Section: macro
- Sources: [Polylog editors](https://polylog.news)

The Bank of Korea published a study finding that generative AI use was associated with a 3.8 percent reduction in task time, about 1.5 hours saved per week on a 40-hour baseline, based on a survey of 5,512 workers aged 15 to 64. Adoption is…

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