Nigeria, Oct. 17 -- About half of all published articles on the internet are generated by AI systems, a new research from the analytics firm Graphite.io shows.

The findings, based on a study of 65,000 English-language articles published between 2020 and 2025, reveal that the share of AI-generated material rose sharply after the public release of ChatGPT in November 2022.

AI-written content increased from 5% in 2020 to around 48-52% in 2025, while human-written articles declined from 95% to about 52% over the same period.

Graphite's data indicates that AI content briefly passed human writing between November 2024 and March 2025, reaching a peak of 55% in January 2025.

Since then, the percentage has remained stable, suggesting that the ...