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Compare Substack writers

Up to five side by side: followers, growth, paid band, rank, and the publications that recommend more than one of them. Sponsors use the last part to see which audiences overlap.

Heather Cox RichardsonLetters from an American
Paul Krugman@paulkrugman
Robert Reich@robertreich
Followers3,531,361876,5341,698,545
Last 7 daysfrom Nov 7from Nov 7from Nov 7
Last 30 daysfrom Nov 30from Nov 30from Nov 30
Subscribers (rounded)3M+636K+1.1M+
Paid subscribersHundreds of thousandsTens of thousandsTens of thousands
Best board spot#1 Podcasts Bestsellers#8 U.S. Politics Bestsellers#10 U.S. Politics Bestsellers
Recommended by196107109
New recommenders, 30 days51++4752+
Recommends182519
Tracked sinceOct 31, 2026Oct 31, 2026Oct 31, 2026

Followers by day

Heather Cox Richardson

3,450,0003,500,0003,550,0003,600,0003,650,000 Oct 31Nov 4Nov 8Nov 12 12 more days to fill this frame 3,531,361

Paul Krugman

850k860k870k880k890k900k Oct 31Nov 4Nov 8Nov 12 12 more days to fill this frame 876,534

Robert Reich

1,660,0001,680,0001,700,0001,720,0001,740,000 Oct 31Nov 4Nov 8Nov 12 12 more days to fill this frame 1,698,545

Each panel has its own scale. Daily history starts on the writer's first reading.

When their recommendations started

Heather Cox Richardson

Dec 24MarJunSepDecMarJunSep

Paul Krugman

Dec 24MarJunSepDecMarJunSep

Robert Reich

Dec 24MarJunSepDecMarJunSep

Live recommendations by month started, last 24 months, Substack's dates. Outlined months are incomplete: Substack lists only the 50 newest recommenders.

Recommended by more than one of them

Publications whose readers already see several of these writers.