As organizations face mounting pressure to adapt faster than ever before, Project Management Institute (PMI) released the 16th edition of its Pulse of the Profession report, Driving Success in Complex Projects: From Navigating Tasks to Navigating Systems. The research reveals that project complexity has become the defining challenge of modern project work and that the professionals who manage it best are rewriting what it means to lead a project in an AI-led workplace.
Maximizing Project Success research from PMI defines successful projects as those that deliver value worth the effort and expense. Increasing complexity pressures both sides of that equation if not handled well, which increases the potential for value erosion and poor strategic alignment while driving up cost and strain. The data reflects this clearly: nearly one‑third (31%) of complex projects fail to achieve the full scope of their intended benefits—more than twice the rate reported for projects overall. This finding underscores the growing need for organizations to move beyond managing individual tasks and instead navigate the interconnected systems of people, technology, and external forces that now shape projects.
Project complexity, if unaddressed, manifests as compounded friction that accumulates when the pace of change outstrips an organization’s ability to adapt. Also, unaddressed complexity hinders the organization’s ability to execute its strategy. Former research by PMI with 700+ C-suite leaders for its Manifesto for Enterprise Agility found that this is top of mind for CEOs. 93% said their organizations must rethink their operating models at least every five years, with AI and automation (72%), market and economic pressures (48%), and growing competition (41%) as the top drivers.
Pulse of the Profession® 2026 Key Findings at a Glance
- Complexity is not slowing down: 81% of project professionals say projects have become more complex in recent years, with 37% describing a significant increase.
- Projects that navigate complexity effectively are five times more likely to succeed — delivering an 88% success rate compared with just 14% for teams that are only slightly effective or ineffective at managing complexity.
- As complexity rises, the Project Management Office (PMO) role as an enterprise ‘execution hub’ becomes more important – helping align sponsors, govern tradeoffs, build shared language, and coordinate dependencies. In the PMI survey, respondents in PMO-equipped organizations were more likely to rate their complex project management as very or extremely successful (63% vs. 57%).
“Strategy isn’t delivered in the boardroom, it’s delivered through projects. When projects work, organizations execute. When they don’t, the strategy never leaves the deck. This research identifies what separates the two: teams that stay intact, stakeholders that stay engaged, and a complexity problem that gets actively managed instead of hoped away. Every CEO should read it.” Pierre Le Manh, President & CEO, PMI
Complexity Is Everywhere
The Pulse of the Profession® 2026 data reveals the ubiquity of complexity: 97% of project professionals managed at least one complex project in the past year, and more than half of all projects now qualify as complex. Complexity is no longer an exception to manage, but rather, it is the operating environment.
The forces driving it fall across three dimensions: organizational complexity (unclear governance, siloed teams, misaligned objectives), environmental complexity (AI evolution, regulatory volatility, geopolitical instability), and human complexity (competing incentives, political dynamics, and the social challenges of leading diverse stakeholder groups). 81% of project professionals say projects have become more complex in recent years, with 37% describing a significant increase.
The AI boom, more than anything, is intensifying this environment: CEOs cite AI and automation as the leading driver of operating-model change (72%), while nearly half of project professionals (48%) point to faster tech and tool cycles as a key complexity driver—turning ‘AI transformation’ into an execution stress test.
The Pulse of the Profession findings also highlight a critical disconnect: leaders often frame the AI moment as an external disruption to respond to, while project teams experience it as internal execution strain. When transformation accelerates but decision rights, coordination, and priorities don’t, complexity compounds—and benefits get harder to realize.
Complexity Is Breaking Down Teams
The consequences of poorly managed complexity are significant and widespread. Four out of five complex projects experience negative fallout, including strategic drift, delivery disruptions, and strained team morale. The human toll compounds over time, with teams carrying strain from one project into the next.
The challenge, the research makes clear, is not ambition, technology, or speed. It is whether people and organizations are built to cope with constant complexity. Enterprise agility is not failing because strategies are unclear. It is failing because organizations have not built the human capacity and systems required to execute change continuously. The research points to what organizations can do about it.
The Antidote to Complexity: Stronger People Management
High performers do not face fewer complexity challenges. They navigate them differently. Projects that manage complexity effectively are five times more likely to succeed, driven by key practices:
- Sponsor alignment at initiation: Establishing shared understanding of what success looks like before execution begins (used by 39% of high-performers vs. 30% of low-performers)
- Scenario planning: Mapping interdependencies and anticipating disruption early, though only one in five practitioners currently use it
- Frameworks: Providing structured language and consistent approaches to complexity navigation; projects using frameworks succeed at a rate of 72% versus 61% without them, yet 35% of project professionals used no framework at all on their most recent complex project
These practices reflect PMI’s M.O.R.E. vision (Managing perceptions, Owning success, Relentlessly reassessing, and Expanding perspective), which makes project professionals three times more likely to deliver successful outcomes.
To learn more about how project professionals can navigate complexity and drive success, read the full report [here].
About Project Management Institute (PMI)
PMI is the leading authority in project success. Since 1969, PMI has shone a light on the people and advanced practices behind successful projects. Supported by a global community of millions of project professionals and by thousands of corporations, government agencies and academic institutions, PMI provides the knowledge, resources and certifications to lead projects and transformations effectively and responsibly. Join PMI in elevating our world – one project at a time. Connect with us at www.pmi.org, linkedin.com/company/projectmanagementinstitute, on Instagram @pmi_org, and on TikTok @PMInstitute.
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