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By the Numbers — 78K Substack subscribers, +0.7%/wk | Newsletter Insights

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By the Numbers

Name: By the Numbers Newsletter Analytics
Creator: Newsletter Insights

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substack Science Media Kit

Growth

~ Estimated

How do I stack up?

Newsletter subscribers

78K

✓

Weekly Growth

Stable

Track CPM rates as they change

Category benchmarks and audience-size adjusted rates

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Join thousands of newsletter operators tracking the market

Engagement: 0.3%0.8 posts/wk #3 in category

Bi-weekly

Subscriber Growth

Subscriber counts are rounded by the platform — step changes may not reflect actual growth

See how By the Numbers compares to 155 other Science newsletters, engagement metrics, pricing analysis & more

Compare with similar Science newsletters

Hidden Brain

74K subs

++0.7%/wk

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Track By the Numbers for changes

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.

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60 brands sponsor newsletters like By the Numbers but haven't tried By the Numbers yet

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Including Welcome, Prophetic, Mercury + 57 more.

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Engagement

~ Estimated

Avg Comments

29.8

Avg Likes

171.1

Engagement Rate

0.26%· ~201 likes + comments/post

(comments + likes) / subscribers

Quality Score

74Good (partial data)

0100

Engagement vs Science

0.26% engagement rate

Score Breakdown

Engagement70/100(30%)

Growth Consistency98/100(15%)

Publish Consistency49/100(10%)

Engagement Score

74Engaged

0100

0.26% engagement rate

~201 per post

Trending in Science this week

Psychology of Relationships

49K subs+1.1%/wk

Hidden Brain

74K subs+0.7%/wk

The Intrinsic Perspective

73K subs+0.7%/wk

View all Science newsletters

How Do I Stack Up?

vs 51 newsletters in Science

Subscriber Distribution

This newsletter

9.2K

Bottom 25%MedianTop 25%Top 10%

Bottom 25%: 1KMedian: 2KTop 25%: 3KTop 10%: 9.2K

78K places you in the top 10% of newsletters in this category.

vs Category Medians

Posts per Week

0.8

At median

median: 0.8

Publishing Consistency

71/100

At median

median: 63/100

Publishing

~ Estimated

Publishing Frequency

Bi-weekly

Last published Oct 14, 2026

0.8 posts/week avg

Consistency:71Consistent

Science Pricing

$5/mo median

Your newsletter: Free

Monetization Readiness

Science newsletters typically start charging at ~2K subscribers

Above the typical threshold

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Growth

Subscriber Growth

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Track By the Numbers for changes

60 brands sponsor newsletters like By the Numbers but haven't tried By the Numbers yet

Engagement

Trending in Science this week

How Do I Stack Up?

Subscriber Distribution

vs Category Medians

Publishing

Category Benchmarks

Top Posts by Engagement

Recent Posts

Browse more Science newsletters

Trending in Science this week

Engagement

Browse more Science newsletters

Top Posts by Engagement

Recent Posts

Growth

Subscriber Growth

How Do I Stack Up?

Subscriber Distribution

vs Category Medians

Publishing

Category Benchmarks

Compare with similar Science newsletters

Similar in Science

Track By the Numbers for changes

60 brands sponsor newsletters like By the Numbers but haven't tried By the Numbers yet