Generative AI use reached 40.6% of South Korea's population aged 15 to 64 in June, according to Microsoft's latest global adoption report. That was up from 37.1% in the first quarter, a gain of 3.5 percentage points. Korea's global ranking rose from 16th to 12th over the same period. Microsoft says the country's adoption rate has increased by roughly 15 percentage points over the past year.