B
Evidence Grade B
Graded
under review
Safe to Cite
Current
83%
83% -- share of professionals citing outdated data as biggest challenge for marketing and sales professionals (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
83%
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
eMarketer
Primary
Tier C
https://anchorcomputersoftware.com/resources/articles/dealing-with-old-data-in-legacy-systems/ ↗
Source Article
Dealing with Old Data in Legacy Systems
Original Research
eMarketer
· Original study ↗
Methodology
Cited from an eMarketer report; original methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
marketing and sales professionals: 83% share of professionals citing outdated data as biggest challenge. Source: eMarketer (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/outdated-data-biggest-challenge-marketers
HTML Embed
<blockquote cite="https://lighthousedata.io/data/outdated-data-biggest-challenge-marketers" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>83%</strong> -- share of professionals citing outdated data as biggest challenge for marketing and sales professionals<br><small>Source: eMarketer (2026) · <a href="https://lighthousedata.io/data/outdated-data-biggest-challenge-marketers" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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