Newsletter Insights — independent newsletter & sponsorship data across 42K+ newsletters
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We’re a nonpartisan, nonprofit organization that hosts weekly debates aimed at tackling America’s extreme political polarization—bringing critical thinking, facts, reason, and civility back to public discourse.
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Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
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54K
Top 25% in Politics
substack
Politics
~9/post
avg comments + likes (0.02% rate)
Above category average
~2x per week
2.5 posts/week avg
vs 1.8/week category avg
$8/mo
Category avg: $6.5/mo
622
newsletters in Politics
Top 25% in Politics
out of 622 newslettersPublishing Frequency
~2x per week
Last published Oct 11, 2026
Usually publishes Sun, Fri
2.5 posts/week avg