B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
57%
57% -- project failure rate due to communication breakdown for projects (2026)
57% of projects failed due to a communication breakdown according to a Harvard Business Review study.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
57%
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
Harvard Business Review
Primary
Tier C
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Original Research
Harvard Business Review
· Original study ↗
Methodology
Citing a Harvard Business Review study
Methodology documented
Segmentation
Industrymarketing
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Plain Text
projects: 57% project failure rate due to communication breakdown. Source: Harvard Business Review (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/projects-failed-communication-57-percent
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<blockquote cite="https://lighthousedata.io/data/projects-failed-communication-57-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>57%</strong> -- project failure rate due to communication breakdown for projects<br><small>Source: Harvard Business Review (2026) · <a href="https://lighthousedata.io/data/projects-failed-communication-57-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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