B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
40%
40% -- cost per click growth for PPC advertising (2026)
Cost per click (CPC) rose by 40% to 50% over the past five years.
- Reported as a range (40% to 50%) over the past five years
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
40%
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
WhatConverts
Primary
Tier C
https://rebusadvertising.com/blogs/ppc-campaign-optimization/ ↗
Source Article
Mastering PPC Campaign Optimization for 2026 ROI
Mastering PPC Campaign Optimization for 2026 ROI
Your ads are live. Clicks are coming in. Spend keeps climbing. And your dashboard looks busy enough to suggest progress, while your pipeline or sales report says otherwise.
That's where most SMB PPC accounts get stuck. Not because the owner or marketi…
Original Research
WhatConverts
· Original study ↗
Methodology
Range reported as 40-50% over the past five years; midpoint used. Cited from WhatConverts PPC spend optimization guide.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
PPC advertising: 40% cost per click growth. Source: WhatConverts (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/cpc-increase-past-five-years
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<blockquote cite="https://lighthousedata.io/data/cpc-increase-past-five-years" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- cost per click growth for PPC advertising<br><small>Source: WhatConverts (2026) · <a href="https://lighthousedata.io/data/cpc-increase-past-five-years" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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