B
Evidence Grade B
Graded
accuracy verified by the review judge
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Recent
76%
76% -- video completion rate for YouTube Shorts (50-60 second videos) (2025)
According to Affiliate Booster's analysis, YouTube Shorts in the 50-60 second duration range achieve a 76% completion rate.
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Lighthouse Research Team
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Evidence graded
Value
76%
Unit
Percentage
Data Vintage
2025
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
60
Independence
30
Methodology
45
Freshness
95
Source
Affiliate Booster
Primary
Tier C
https://virvid.ai/blog/best-shorts-length-retention-2026 ↗
Source Article
The Best Length for Shorts (Retention Data Breakdown)
The Best Length for Shorts (Retention Data Breakdown)
The best length for YouTube Shorts is whichever duration keeps your specific audience watching the highest percentage of the video. The data shows that sweet spot is almost always between 15 and 60 seconds.
Table of Contents
- What the Data Actua…
Original Research
Affiliate Booster
· Original study ↗
Methodology
Cited from Affiliate Booster's analysis
Methodology documented
Segmentation
Industrymarketing
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Plain Text
YouTube Shorts (50-60 second videos): 76% video completion rate. Source: Affiliate Booster (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/shorts-50-60s-completion-76pct
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<blockquote cite="https://lighthousedata.io/data/shorts-50-60s-completion-76pct" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>76%</strong> -- video completion rate for YouTube Shorts (50-60 second videos)<br><small>Source: Affiliate Booster (2025) · <a href="https://lighthousedata.io/data/shorts-50-60s-completion-76pct" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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