In 2023, Germany's R&D total current costs stood at approximately $155.25 billion US dollars PPP. The forecasted figures indicate a steady increase from 2024 to 2028, rising from $159.58 billion to $176.32 billion. This represents a year-on-year growth ranging between 2.70% and 2.35%. The projected compound annual growth rate (CAGR) over the five-year period from 2024 to 2028 is approximately 2.60%.

Future trends to watch include:

Increased emphasis on digital and green technologies driving R&D investments.
Potential shifts in funding priorities due to geopolitical influences and economic shifts.
Accelerating collaborations between academia and industry to foster innovation.