B
Evidence Grade B
Graded
under review
Safe to Cite
Current
54%
54% -- adults reading at or below sixth grade level for US adults (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
54%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
US Department of Education
Primary
Tier B
https://andelmarketing.com/why-formal-writing-doesnt-work-for-your-law-firms-blogging/ ↗
Source Article
Why Formal Writing Doesn't Work For Your Law Firm's Blogging
Original Research
US Department of Education
· Original study ↗
Methodology
Cited from US Department of Education
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
US adults: 54% adults reading at or below sixth grade level. Source: US Department of Education (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/us-adults-sixth-grade-reading-level
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<blockquote cite="https://lighthousedata.io/data/us-adults-sixth-grade-reading-level" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>54%</strong> -- adults reading at or below sixth grade level for US adults<br><small>Source: US Department of Education (2026) · <a href="https://lighthousedata.io/data/us-adults-sixth-grade-reading-level" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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