As of 2023, the Public Administration and Defence, Compulsory Social Security sector in the UK was reported to have utilized approximately 2.60 billion hours. Forecasts indicate modest annual growth, with hours expected to increase by 0.38% to 2.61 billion in 2024. This trend continues with slight rises each year, peaking at 2.65 billion hours by 2028, implying an average annual growth rate (CAGR) of approximately 0.38% over five years.

Future trends to observe include:

The impact of technological advancements and digital transformation aiming to increase efficiency.
Potential policy changes and budget allocations post-2024 elections which could influence public sector employment.
Workforce implications of economic events, such as Brexit adjustments and global market fluctuations.