The Slate Market in Japan is demonstrated to decline gradually from 2024 to 2028. In 2023, the market stood at 13.644 million US dollars, marking the starting point for the forecasted decline. The year-on-year variation shows a steady decrease: 2024 (-0.3%), 2025 (-0.3%), 2026 (-0.3%), 2027 (-0.3%), and 2028 (-0.3%). The 5-year CAGR from 2024 to 2028 is negative, reflecting the consistent shrinking trend of the market.

Future trends to watch for:

Adoption of alternative roofing materials which could further pressure the slate market demand.
Technological advancements that might boost efficiency and reduce costs, thereby possibly stabilizing demand.
Regulatory changes related to sustainability might affect the market dynamics.