Based on the provided forecasts, the domestic material consumption of Marble, Granite, Sandstone, Porphyry, and Basalt in Germany shows a steady decline from 2024 to 2028, starting at 2.34 million metric tons in 2024 and decreasing to 2.1 million metric tons by 2028. This represents an approximate year-on-year decrease of around 2.5%. As of 2023, the consumption stood slightly above the 2024 figure, marking a continuation of this downward trend. Over the five-year forecasted period, the compound annual growth rate (CAGR) is negative, highlighting an average annual decrease in consumption volume.

Future trends to watch for include:

Emerging sustainable building practices and their potential impact on natural material demand.
Technological advancements in construction materials that may substitute traditional stones.
The influence of economic and policy changes within the EU affecting material sourcing and usage.