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The expenditure on generative artificial intelligence (AI) in Japan amounted to billion Japanese yen in 2024. It was expected to grow with a compound annual growth rate (CAGR) of **** percent until 2028, resulting in a value of more than *** billion yen by that year. 

Generative AI within the Japanese AI market

Generative AI, which employs machine learning to create content such as texts and images from data, is a significant growth motor of the AI systems market in Japan. Successful applications for tasks such as content creation support, document summaries, and programming have led to the spread of AI assistants in recent years. Further growth is expected as the technology develops from AI assistants and advisors to AI agents, which can perform tasks in a more autonomous manner. This development is underpinned by the ongoing evolution of large language models (LLMs), which are expected to diversify and become more affordable in the coming years. 

The Japanese data center market

Since generative AI depends on large amounts of processed data, the growth of the generative AI market is expected to lead to a higher demand for data centers. Japanese data centers are primarily located in the Kanto and Kansai regions, close to the major urban areas Tokyo and Osaka where many of the user companies can be found. While the requirements of data centers vary depending on their purposes, the proximity to larger cities helps data center operators ensure a low latency. A breakdown of the data center market shows that infrastructure as a service (IaaS) and platform as a service (PaaS) together constitute the largest segment. Other aspects, such as housing, shared use, hosting, and communication lines, make up smaller parts of the market.