B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
30%
30% -- share of digital ad budget wasted for digital advertising budgets (2025)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
30%
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
20
Independence
30
Methodology
45
Freshness
95
Source
Gartner
Primary
Tier C
https://nekkodigital.com/blog/social-media-advertising-roi/ ↗
Source Article
Social Media Ad ROI: A Practical Guide
Social Media Ad ROI: A Practical Guide
Stop guessing if your social media ads work. This guide shows you exactly how to measure and improve ROI from Facebook, Instagram, and LinkedIn campaigns.
By Taylor Asao Published
Head of Business Development & Operations
Why Is Measuring Social Media Ad ROI So…
Original Research
Gartner
· Original study ↗
Methodology
Attributed by the article to a 2025 Gartner survey; the specific Gartner report is not named. Figure is described as 'nearly 30%' of budgets wasted on inefficient channels or poor tracking.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
digital advertising budgets: 30% share of digital ad budget wasted. Source: Gartner (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/digital-ad-budget-waste-30pct-2025
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<blockquote cite="https://lighthousedata.io/data/digital-ad-budget-waste-30pct-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>30%</strong> -- share of digital ad budget wasted for digital advertising budgets<br><small>Source: Gartner (2025) · <a href="https://lighthousedata.io/data/digital-ad-budget-waste-30pct-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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