Newsletter Insights — independent newsletter & sponsorship data across 23K+ newsletters
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The Substack Bookstore's metrics, benchmarks, and sponsor data in one document
2K
Above Median in Culture
substack
Culture
0.25%· ~5/post
(comments + likes) / subscribers
vs 0.00% category avg
Weekly
0.7 posts/week avg
$47/mo
Category avg: $7.02/mo
3020
newsletters in Culture
Above Median in Culture
out of 3020 newslettersPublishing Frequency
Weekly
Last published Mar 12, 2026
0.7 posts/week avg