Newsletter Insights — advertising rates and audience data for 23K+ newsletters
Browse all →Track News from Underground by Mark Crispin Miller's growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses Substack subdomain (markcrispinmiller.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
News from Underground is based on my belief that, like journalists, academics have a civic obligation to help keep the people well-informed, so that American democracy might finally work.
Data updated 2 weeks ago
Oligarch Watch
49K subs
Democracy for Sale
51K subs
Michel Chossudovsky
56K subs
Avg Comments
12.7
Avg Likes
98.0
Engagement Rate
0.24%· ~111 likes + comments/post
(comments + likes) / subscribers
Josh Cowen's Newsletter
23K subscribers
Quality Score
Engagement vs Politics
0.24% engagement rate
Score Breakdown
Engagement Score
| Public |
| Public |
| Subscriber-only |
| Public |
| Public |
| Public |
| Public |
vs 655 newsletters in Politics
47K places you in the top 25% of newsletters in this category.
Engagement Rate
0.24%
median: 0.01%
Posts per Week
2.9
median: 1.2
Publishing Consistency
30/100
median: 64/100
Subscribers
47K
median: 4K
Track CPM rates as they change
Category benchmarks and audience-size adjusted rates
Start tracking — freeJoin thousands of newsletter operators tracking the market
$15–$30
Based on Politics category benchmarks
Tracking started recently for News from Underground by Mark Crispin Miller. A growth trend will appear once we have more data points.
Publishing Frequency
~3x per week
Last published Mar 19, 2026
2.9 posts/week avg
Politics Pricing
$8.19/mo avg
Your newsletter: Free
Monetization Readiness
Politics newsletters typically start charging at ~6K subscribers
Above the typical threshold
100% of similar-size Politics newsletters have paid tiers
Track changes to monetization & ad rate insights over time
Start tracking — freeReady for Sponsors
47.0K subscribers and 0.24% engagement — past the threshold where Politics newsletters typically attract sponsors.