In 2023, total Social Security contributions in the US stood at 6.33% of GDP. The forecast data from 2024 to 2028 indicates a steady and modest increase in the percentage of GDP allocated to Social Security, reaching 6.36% by 2028. The annual growth from 2023 to 2024 is minimal, with the year-on-year variation maintaining a near-zero growth rate overall from 2024 to 2028. The five-year CAGR shows a negligible upward trend, reflecting stabilization.

Future trends to watch:

Demographic changes, such as aging population, influencing increased contributions.
Economic growth or slowdown impacts on GDP share.
Policy shifts and legislative adjustments affecting contribution rates.