B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
40%
40% -- email engagement lift for subscribers who choose content categories (2025)
Subscribers who can choose content categories experience 40% higher engagement compared to those receiving all content types.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
40%
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
ConvertKit
Primary
Tier C
https://www.nextdropdesign.com/resources/why-are-my-email-open-rates-dropping-every-month ↗
Source Article
Email Open Rates Dropping? 7 Fixes to Boost Engagement | Next Drop
Your email list is growing, but your open rates keep declining. What used to generate 25-30% open rates now struggles to reach 20%, and you're wondering if email marketing is becoming less effective. The reality is that email marketing remains highly effective, but the strategies that worked in prev…
Original Research
ConvertKit
· Original study ↗
Methodology
Cited from ConvertKit research
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
subscribers who choose content categories: 40% email engagement lift. Source: ConvertKit (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/content-preference-engagement-lift
HTML Embed
<blockquote cite="https://lighthousedata.io/data/content-preference-engagement-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- email engagement lift for subscribers who choose content categories<br><small>Source: ConvertKit (2025) · <a href="https://lighthousedata.io/data/content-preference-engagement-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
Share
Related Statistics
Use this data in your work
Copy the citation, embed the widget, or explore thousands more verified marketing statistics -- all free.