Overall Project Risk

The combined impact of uncertainty on the project as a whole, coming from every source (including specific individual risks), indicating how much stakeholders are exposed to variability in project results, both beneficial and adverse.

Key Points

  • Represents the total exposure to uncertainty at the project level, including positive and negative outcomes.
  • Arises from all sources of uncertainty, not just a simple sum of individual risks.
  • Managed through integrated strategies such as contingency, risk responses, and potential changes to scope or approach.
  • Shaped by stakeholder risk appetite and thresholds, often expressed as overall exposure or outcome ranges.

Example

A project has moderate supplier risks, shifting requirements, and uncertain regulatory timing. Any single risk seems manageable, but together they could result in finishing two months early with savings if approvals are fast, or four months late with overruns if shortages and rework occur. This aggregate uncertainty is the overall project risk, prompting added contingency and staged funding.

PMP Example Question

A project manager notes that several moderate uncertainties across vendors, scope, and schedule could collectively cause large swings in cost and timeline. What is the manager describing?

  1. The highest-priority individual risk
  2. Overall project risk
  3. Residual risk after responses
  4. An issue requiring immediate action

Correct Answer: B — the combined effect of uncertainty on the whole project

Explanation: Overall project risk reflects aggregate uncertainty and stakeholder exposure to outcome variability, not a single risk, residual risk, or a realized issue.

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