B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
52%
52% -- project scope creep rate for projects lacking a well-defined work structure (2026)
Scope creep impacts 52% of projects lacking a well-defined work structure according to a Project Management Institute report.
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Lighthouse Research Team
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Evidence graded
Value
52%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Project Management Institute
Primary
Tier C
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Original Research
Project Management Institute
· Original study ↗
Methodology
Citing a Project Management Institute report
Methodology documented
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Industrymarketing
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Plain Text
projects lacking a well-defined work structure: 52% project scope creep rate. Source: Project Management Institute (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/scope-creep-impacts-52-percent-projects
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<blockquote cite="https://lighthousedata.io/data/scope-creep-impacts-52-percent-projects" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>52%</strong> -- project scope creep rate for projects lacking a well-defined work structure<br><small>Source: Project Management Institute (2026) · <a href="https://lighthousedata.io/data/scope-creep-impacts-52-percent-projects" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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