58 Manager Effectiveness Statistics for 2026

Managers remain one of the strongest influences on an employee's day-to-day experience, but their own jobs are becoming harder. Team sizes are growing, individual-contributor work consumes management capacity, trust is strained and many managers lack training or resources.

This guide compiles 58 manager effectiveness statistics on engagement, team size, workload, training, coaching, trust, burnout and team outcomes. Recognition program research is covered separately in employee recognition statistics; review mechanics are in performance review statistics.

Last reviewed: August 13, 2026

Key findings

• Global manager engagement fell sharply through 2025, yet best-practice organizations demonstrate that decline is not inevitable.
• The average U.S. span of control is rising, while most managers still lead relatively small teams.
• Nearly all managers in Gallup's U.S. study also performed individual-contributor work.
• DDI and NAMI research links inadequate time, trust, training and resources with manager stress and burnout.
• Meaningful weekly feedback can support high employee engagement even as team size changes.

Methodology

Every number below links to the original publisher. Global surveys, U.S. probability samples, organizational benchmarks and vendor studies cover different populations, so the finding should not be generalized beyond its evidence. Associations and modelled projections are labeled; they do not establish causation.

Manager engagement statistics

1. Gallup's 2026 report found 20% of employees worldwide were engaged in 2025. (Gallup)
2. Manager engagement was 22% globally in 2025. (Gallup)
3. Manager engagement had been 31% in 2022, a nine-point decline by 2025. (Gallup)
4. It fell from 27% in 2024 to 22% in 2025, a five-point year-over-year drop. (Gallup)
5. U.S. manager engagement was 36% in 2025. (Gallup)
6. In Gallup's best-practice organizations, 79% of managers were engaged—nearly four times the global average. (Gallup)
7. Gallup estimates managers account for at least 70% of the variance in employee engagement scores across business units. (Gallup)
8. Countries in the upper half of manager engagement were twice as likely to have engaged non-managers. (Gallup)

Team size and manager workload statistics

1. The average number of people reporting to a U.S. manager rose from 10.9 in 2024 to 12.1 in 2025. (Gallup)
2. That represents a nearly 50% increase in average team size since 2013. (Gallup)
3. The median team size remained about five to six employees per manager. (Gallup)
4. 37% of managers oversee fewer than five people. (Gallup)
5. 66% manage fewer than 10 people. (Gallup)
6. 22% manage 10 to 24 direct reports. (Gallup)
7. 13% oversee 25 or more employees. (Gallup)
8. Gallup's global team analysis covered 92,252 teams across 104 organizations, 26 industries and 46 countries. (Gallup)
9. 97% of U.S. managers reported individual-contributor responsibilities in addition to leading others. (Gallup)
10. Managers spent a median 40% of their time on individual-contributor work. (Gallup)
11. Among managers above that 40% threshold, nearly half managed fewer than five people and about three-quarters managed fewer than 10. (Gallup)
12. Managers spending less than 40% of their time on individual-contributor work maintained engagement above the 37% U.S. manager average, regardless of team size. (Gallup)

Coaching and employee-experience statistics

1. Across seven studies and 44,025 responses, about seven in 10 employees were engaged when they strongly agreed they received meaningful feedback in the past week. (Gallup)
2. Only one in four was engaged when they did not strongly agree they received meaningful weekly feedback. (Gallup)
3. Only 16% of nearly 15,000 employees said their latest manager conversation was extremely meaningful. (Gallup)
4. Gallup says meaningful manager conversations can be effective in 15 to 30 minutes when they are consistent. (Gallup)
5. When managers played an active onboarding role, employees were 2.5 times more likely to strongly agree their onboarding was exceptional. (Gallup)
6. Only two in 10 employees strongly agreed their performance was managed in a way that motivated outstanding work. (Gallup)
7. 52% of exiting employees said their manager could have done something to prevent their departure. (Gallup)
8. Only 51% of employees who left had discussed engagement, development or their future during the three months before departure. (Gallup)
9. In SHRM's People Management research, 61% of HR professionals said fewer than half of managers effectively addressed underperformance and improvement needs. (SHRM research brief)
10. 43% said their organization lacked adequate training and resources for effective performance reviews. (SHRM research brief)
11. In Betterworks' 2024 research, two-thirds of managers wanted more role clarity and more support delivering performance management and guiding development. (Betterworks)

Manager training and development statistics

1. Gallup reported that fewer than half of managers worldwide had received management training. (Gallup)
2. 39% of CHROs cited direct-manager support as an obstacle to employee learning and development. (Gallup)
3. 37% of leaders and managers named time away from job responsibilities as their greatest barrier to supporting employee development. (Gallup)
4. 59% of CHROs said development was one of the employee-experience areas their organization struggled with most, up 16 points from 2024. (Gallup)
5. Only 45% of U.S. employees participated in education or training for current-job skills in 2024. (Gallup)
6. Gallup projects an 18% profit increase and 14% productivity increase if organizations doubled the proportion of employees who strongly felt they had learning and growth opportunities. These are modelled projections, not guaranteed outcomes. (Gallup)

Leadership trust, stress and burnout statistics

1. DDI's 2025 forecast surveyed 10,796 leaders and 2,185 HR professionals across more than 50 countries and 24 industries. (DDI)
2. 71% of leaders said their stress had increased since entering their current role. (DDI)
3. Nearly one in six leaders worldwide experienced burnout. (DDI)
4. Burned-out leaders were 34% less likely to rate their effectiveness above their peers. (DDI)
5. Burned-out leaders were half as likely to be engaged in their leadership role. (DDI)
6. Stressed and burned-out leaders were 3.5 times more likely to leave their position to improve wellbeing. (DDI)
7. 40% of stressed leaders had considered leaving leadership roles to improve wellbeing. (DDI)
8. Only 30% of leaders felt they had enough time to do their job well. (DDI)
9. Leaders lacking resources and information were twice as likely to be concerned about burnout. (DDI)
10. Only 29% of leaders trusted their immediate manager, a 37% decline since 2022. (DDI)
11. 31% trusted senior leaders. (DDI)
12. Leaders lacking trust in their direct manager were 3.2 times more likely to be concerned about burnout. (DDI)
13. Those distrusting senior leadership were 4.3 times more likely to be concerned about burnout. (DDI)
14. DDI identified delegation as the top burnout-mitigation skill, with an 80% relative importance score—about five times the impact of any other skill in its model. (DDI)

Manager resources and mental-health support statistics

1. In NAMI and Ipsos' 2026 U.S. probability sample, 84% of employees said direct managers or supervisors were responsible for cultivating comfort around mental health at work. (NAMI)
2. 57% felt comfortable discussing mental health with their manager. (NAMI)
3. Nearly one in three managers said their company had not provided enough resources to support team mental and emotional health. (NAMI)
4. Fewer than three in 10 managers had received training on mental-health conversations with their teams. (NAMI)
5. Among adequately resourced managers, 90% felt prepared to support their teams, versus 61% without adequate resources. (NAMI)
6. 74% of adequately resourced managers said their company prioritized mental health, versus 16% of inadequately resourced managers. (NAMI)
7. 45% of adequately resourced managers reported burnout, compared with 73% without adequate resources. (NAMI)

What the statistics mean

Manager effectiveness is not only an individual trait. It is an operating condition. Organizations influence it through role design, span of control, selection, training, information, authority, workload and the quality of the systems managers are expected to run.

The practical priorities are to:

• define the manager role before adding more direct reports;
• protect time for coaching and evidence-based conversations;
• train managers for goals, feedback, development and fair decisions;
• give managers the context and resources required to act;
• measure manager experience as well as employee experience; and
• distinguish a manager skill problem from a capacity or system problem.

EvalFlow helps managers keep goals, feedback and performance evidence connected so preparation consumes less time and conversations can focus on decisions, support and development.

Frequently asked questions

How much do managers affect employee engagement?

Gallup estimates managers account for at least 70% of variance in employee engagement scores across business units. This describes variation associated with managers; it does not mean managers alone cause 70% of every employee's engagement.

What is the ideal number of direct reports?

There is no universal ideal. Gallup's 2026 analysis says effectiveness depends on manager talent, team engagement, individual-contributor workload, work design and the manager's ability to provide meaningful feedback. The U.S. median remained about six direct reports even as the average rose to 12.1.

Does manager training matter?

The evidence indicates a material enablement gap. Fewer than half of managers worldwide had management training in Gallup's report, and NAMI found much stronger preparedness and lower burnout among adequately resourced managers. Training must be paired with time, authority and usable systems.

Can these statistics be cited?

Yes. Cite the linked original research source. If you also cite this collection, use: “EvalFlow, 58 Manager Effectiveness Statistics for 2026, last reviewed August 13, 2026.”

Editorial note

EvalFlow reviews this resource for annual reports, changed methodologies and broken links. Send corrections with the statistic number and original source.