The R&D budget for defense in the US is forecasted to grow steadily from 2024 to 2028, starting at 81.28 billion USD PPP in 2024 and reaching 86.96 billion USD PPP by 2028. In 2023, the budget stood at 79.88 billion USD PPP. The year-on-year growth illustrates a consistent upward trend with an average annual growth rate of approximately 1.8% over the five-year period from 2024 to 2028, demonstrating a moderate increase in defense research and development investment.

Future trends to watch for include:

Increased focus on technological advancement in defense systems.
Potential shifts in policy affecting budget allocations under different administrations.
The impact of global geopolitical tensions potentially spurring additional investment.
Collaboration in defense R&D efforts with allied countries.