The data that got my attention
Gallup’s 2025 State of the Global Workplace report ties the second consecutive year of falling engagement to a collapse in manager wellbeing. Global employee engagement fell to 20%, and manager engagement dropped from 31% in 2022 to 22% in 2025. Managers account for roughly 70% of the variance in team engagement, yet their median span of control has widened to 12.1 direct reports.
That combination is the part that got my attention. Organizations have loaded more people onto each manager while also asking managers to handle AI adoption, return-to-office conversations, and constant change. The role was already full before 2020. It is now overfull.
Why this matters now
Leadership teams usually track turnover, revenue per employee, and project completion rates. They do not always track the leading indicators of manager failure: hours spent on individual-contributor work, number of direct reports, skipped one-on-ones, and declining engagement scores inside the manager population itself.
When manager capacity breaks, it breaks quietly. A manager stops coaching and starts firefighting. One-on-ones become status updates. Development conversations disappear. Six months later, the team is disengaged, and leadership asks what happened. The metrics that predicted that failure were already available.
What the research actually shows
The most useful numbers come from Gallup’s ongoing workplace research and related organizational-performance studies. They tell a consistent story about the widening gap between what managers are asked to do and what their role allows them to do well.
| Metric | Value | Implication |
|---|---|---|
| Global employee engagement (2025) | 20% | Lowest level in over a decade |
| Manager engagement (2025) | 22% | Down from 31% in 2022 |
| Manager share of team engagement variance | ~70% | Managers are the single biggest influence on team engagement |
| Median span of control (2025) | 12.1 direct reports | Up from roughly 10.9 in 2024 |
| Managers doing IC work outside leadership duties | 97% | People leadership is treated as a side responsibility |
| Share of managers with 25+ direct reports | 13% | A growing group is severely overloaded |
These metrics are not independent. A manager with 12 or more direct reports who also carries a full individual-contributor workload does not have time for the coaching conversations that drive engagement. The 70% variance figure means that failure is not spread evenly across the organization. It is concentrated in the teams whose managers are most overloaded.
A practical framework for leaders
Organizations that want to stop the cycle need to treat manager capacity as a design problem. That means changing the job, not just asking managers to try harder. Here is a four-step framework leadership teams can use.
- Measure the manager load. Start with three numbers: span of control, percentage of time spent on individual-contributor work, and percentage of one-on-ones that happen as scheduled. These three numbers predict burnout faster than any engagement score.
- Protect the coaching window. Managers need protected time for development conversations, feedback, and team problem-solving. If their calendar is 90% operational work, coaching will not happen regardless of intent.
- Right-size spans of control. For most teams, eight to ten direct reports is the practical ceiling for high-quality people leadership. Past twelve, managers need reduced production targets or additional team-leader support.
- Build people skills deliberately. Emotional intelligence, coaching, and conflict management are now core management skills. They should be selected for, trained, and measured the same way organizations measure technical competence.
Run the framework on one high-risk team first. Compare engagement and retention before and after the changes. Use that evidence to decide whether to expand the model.
The bottom line
Manager burnout is not a personal resilience problem. It is a leading indicator of team failure. The same metrics that predict manager overload also predict where engagement will drop next. Organizations that monitor and act on those metrics can protect team performance before turnover spikes. Those that wait for engagement scores to fall will be managing the damage instead of preventing it.
The cost of ignoring these metrics is not abstract. Gallup estimates that low engagement costs the global economy roughly $8.9 trillion annually in lost productivity. Much of that loss traces back to managers who were overloaded past the point where they could lead effectively.
Where to go from here
Leadership teams need a clear view of where manager capacity is breaking before burnout becomes turnover. Start with an assessment that measures workload, span of control, and the people skills managers need most, then build a targeted development plan for the managers who carry the heaviest load. executive coaching
