Newsletter Insights — advertising rates and audience data for 40K+ newsletters
Browse all →
Track The Breakdown's growth
Get notified when subscribers, engagement, or pricing changes
Platform Portability
Uses custom domain (muellershewrote.com) — can migrate to any platform without losing subscribers
Are you a newsletter creator? Get verified insights →
Speaking Truth to Power.
Data updated Today
Avg Comments
27.1
Avg Likes
463.2
Engagement Rate
0.40%· ~490 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 122K+ subscribers
Quality Score
Engagement vs Politics
0.40% engagement rate
Score Breakdown
Engagement Score
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
| Public |
vs 159 newsletters in Politics
122K places you in the top 25% of newsletters in this category.
Engagement Rate
0.40%
median: 0.00%
Posts per Week
4.2
median: 2.5
Publishing Consistency
64/100
median: 73/100
Subscribers
122K
median: 3K
Weekly Growth
Stable
Track revenue changes over time
Start tracking — freeTrack CPM rates as they change
Start tracking — freeSubscriber counts are rounded by the platform — step changes may not reflect actual growth
johnmccain.com
Publishing Frequency
~4x per week
Last published Oct 21, 2026
Usually publishes Tue
4.2 posts/week avg
Politics Pricing
$6/mo median
Above average(+33%)
Monetization Readiness
Already monetizing
94% of similar-size Politics newsletters also have paid tiers
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — freeSponsor-Attractive Profile
122.0K subscribers, 0.40% engagement, and 4 detected sponsors — a strong profile for advertisers.

OpenTheBooks
111K subs

Beto’s Substack
99K subs
-0.5%/wk

Comment is Freed
93K subs
Get email alerts when subscribers drop or spike, when new sponsors appear, when pricing changes, or when publishing cadence shifts. Track unlimited newsletters across your watchlist with the Starter plan.
$29/mo·cancel anytime
See what's includedGet the full whitespace list with each brand's category fit, audience overlap, and recommended pitch order. Plus a comparison of The Breakdown vs the top 15 peer newsletters on sponsor mix, growth, and CPM.
Including Ground News, Incogni, Cafe Bustelo HQ + 64 more.
$300·2-3 working days·refunded if we can't deliver