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Best Substack Newsletter Growth Newsletters in 2026

NewsletterFIT tracks 9 newsletters that cover Substack newsletter growth as a primary topic, 7 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Wander Wealth (13K), Author Circle (2K) and valparizeault (2K).

Updated Nov 14, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Wander Wealth13K subscribers

    SubstackWeekly · last post 4 days ago

    The exact playbook I used to build a $5K+/mo newsletter in 12 months. Every Tuesday, I share actionable strategies to grow your subscribers, build your community, and create income that scales. You won't be doing it…

    Likely audience: Content creators

  2. 2
    Author Circle2K subscribers

    SubstackSeveral times a week · last post 9 days ago

    From recent posts: Author Circle publishes biographical profiles and interviews chronicling the lives of individuals navigating chronic illnesses like heart disease and multiple sclerosis. The publication targets readers interested in…

    Likely audience: Substack creators

  3. 3
    valparizeault2K subscribers

    SubstackWeekly · last post 12 days ago

    The Late-bloomer Club is a newsletter about starting a career later in life, with insights on creativity, ADHD type humans, industry tips (mostly in illustration) and personal growth.

    Likely audience: late-blooming illustrators

  4. 4
    Change The World With Words1K subscribers

    SubstackEvery two weeks · last post 13 days ago

    From recent posts: Change The World With Words publishes weekly articles on Substack growth strategies, writing process philosophy, and writer confidence for aspiring and established writers. The content frequently blends practical advice…

    Likely audience: freelance writers

  5. 5
    rootedrabia—

    SubstackEvery two weeks · last post 27 days ago

    From recent posts: rootedrabia publishes personal reflections on Islamic spirituality, patience, and faith, drawing on Quranic verses and the author’s own experiences of waiting and answered prayer. It is written for readers seeking…

    Likely audience: Muslim readers

  6. 6
    muktachangmai—

    SubstackEvery two weeks · last post 20 days ago

    From recent posts: The article explores why people readily engage with celebrity content on social media but often ignore the work of friends and acquaintances who are artists or creators. It argues this behavior is subconscious and offer…

    Likely audience: social media users

  7. 7
    Beer Christianity (the newsletter)—

    SubstackMonthly or less · last post 33 days ago

    A progressive Christian take on thought, news and culture. Mostly written by Beer Christianity podcast host Jonty Langley.

    Likely audience: Christian readers

  8. 8
    Investing On Substack3K subscribers

    Substacklast post Dec 12, 2022

    From recent posts: Joseph Politano discusses how Substack Recommendations helped grow Apricitas Economics, a data-driven economics newsletter, enabling him to transition to full-time writing. The piece also invites readers to submit quest…

    Likely audience: economics writers

  9. 9
    Substack Mastery of ILLUMINATION Community—

    Substacklast post Jul 25, 2025

    This newsletter is to empower freelance writers and entrepreneurs of ILLUMINATION community both on Substack and Medium using our publications.

    Likely audience: aspiring writers

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