**The big picture:** A new Talent Resilience Index by Guild and Lightcast reveals U.S. workforce mobility is at its lowest point since 2016, signaling a growing "resilience gap" amidst AI disruption and economic uncertainty. **Why it matters:** Stagnant worker mobility risks billions in potential economic growth and leaves businesses unprepared for rapid market shifts, directly impacting talent pipelines and skill adaptation. **Between the lines:** - Workforce mobility generated an average of $221 billion annually in individual earnings (2016-2024). - Mobile workers see a 15% annual earnings increase, more than tripling typical merit raises. - The index combines Census data, job postings, and AI impact analysis to measure adaptability. **Staffing & HR impact:** Reduced mobility complicates talent acquisition, making it harder to fill in-demand roles and increasing pressure on internal talent development. Recruiters face a more static candidate pool, impacting placement speed and margin potential. **The bottom line:** Prioritizing pathways for worker adaptability and skill evolution is crucial for future-proofing the workforce and sustaining economic vitality.