human behavior newsletters

NewsletterFIT tracks 40 newsletters that cover human behavior as a primary topic, 32 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are The Psychology of Your 20s’ Substack (459K), Raj Shamani (233K) and Pushkar’s Newsletter (204K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The Psychology of Your 20s’ Substack459K subscribers

    SubstackEvery two weeks · last post 17 days ago

    Likely audience: psychology enthusiasts

  2. 2
    Raj Shamani233K subscribers

    SubstackWeekly · last post 20 days ago

    Likely audience: Self-reflective individuals

  3. 3
    Pushkar’s Newsletter204K subscribers

    SubstackMonthly or less · last post 47 days ago

    Likely audience: philosophers

  4. 4
    The Forbidden Files189K subscribers

    SubstackEvery two weeks · last post 20 days ago

    Likely audience: Entrepreneurs struggling with early-stage business growth

  5. 5
    Spiritual Awakening & Practical Enlightenment Newsletter167K subscribers

    SubstackMonthly or less · last post 51 days ago

    Likely audience: behavioral scientists

  6. 6
    Big Think Business57K subscribers

    SubstackWeekly · last post 17 days ago

    Likely audience: HR professionals

  7. 7
    Mindful Minute26K subscribers

    SubstackEvery two weeks · last post 16 days ago

    Likely audience: self-improvement readers

  8. 8
    Elevate26K subscribers

    SubstackEvery two weeks · last post 16 days ago

    Likely audience: Parents and grandparents

  9. 9
    Psychology for Overthinkers: Mind, But Funny23K subscribers

    SubstackEvery two weeks · last post 13 days ago

    Likely audience: Psychology enthusiasts

  10. 10
    The Leap22K subscribers

    SubstackMonthly or less · last post 23 days ago

    Likely audience: writers and literature enthusiasts

  11. 11
    The Culture Explorer20K subscribers

    SubstackSeveral times a week · last post 19 days ago

    Likely audience: Philosophy students

  12. 12
    The Psychology of Stupid Things14K subscribers

    SubstackEvery two weeks · last post 13 days ago

    Likely audience: Psychology enthusiasts

  13. 13
    By Manu Joseph12K subscribers

    SubstackWeekly · last post 21 days ago

    Likely audience: writers and authors

  14. 14
    Covert Operative Guide12K subscribers

    SubstackEvery two weeks · last post 20 days ago

    Likely audience: self-defense practitioners

  15. 15
    Living Like a F***ing Mortal10K subscribers

    SubstackEvery two weeks · last post 11 days ago

    Likely audience: psychology enthusiasts

  16. 16
    Humor Psychology8K subscribers

    SubstackEvery two weeks · last post 10 days ago

    Likely audience: Self-help enthusiasts

  17. 17
    Chibueze Agu8K subscribers

    SubstackEvery two weeks · last post 47 days ago

    Likely audience: Individuals seeking deeper relationships

  18. 18
    Old Man Talks7K subscribers

    SubstackEvery two weeks · last post 8 days ago

    Likely audience: philosophers and thinkers

  19. 19
    Perspective Shift by Colby Martin7K subscribers

    SubstackEvery two weeks · last post 24 days ago

    Likely audience: philosophy enthusiasts

  20. 20
    Machiavelli Bot7K subscribers

    SubstackEvery two weeks · last post 13 days ago

    Likely audience: Psychology enthusiasts

  21. 21
    Everything Is Bullshit7K subscribers

    SubstackMonthly or less · last post 30 days ago

    Likely audience: Psychologists and researchers in behavioral science

  22. 22
    The Article Book Club4K subscribers

    SubstackEvery two weeks · last post 26 days ago

    Likely audience: psychology enthusiasts

  23. 23
    The Update 4K subscribers

    SubstackEvery two weeks · last post 24 days ago

    Likely audience: Policy makers

  24. 24
    PhD in People Watching3K subscribers

    SubstackEvery two weeks · last post 9 days ago

    Likely audience: Sociologists

  25. 25
    Age of Freedom3K subscribers

    SubstackEvery two weeks · last post 37 days ago

    Likely audience: individuals experiencing loneliness

  26. 26
    Friday thoughts . . .—

    LinkedInEvery two weeks · last post 8 days ago

    Likely audience: Cybersecurity professionals

  27. 27
    Nuggets From Lived Experiences—

    LinkedInEvery two weeks · last post 7 days ago

    Likely audience: travelers

  28. 28
    Kindness Matters—

    LinkedInEvery two weeks · last post 6 days ago

    Likely audience: Philosophers and ethicists

  29. 29
    The Coach—

    SubstackMonthly or less · last post 52 days ago

    Likely audience: Self-improvement enthusiasts

  30. 30
    A Friends Thoughts—

    SubstackMonthly or less · last post 38 days ago

    Likely audience: readers interested in science and biology

  31. 31
    BigIdeas: Life, Tech and Culture #Audiobooks—

    SubstackMonthly or less · last post May 17, 2026

    Likely audience: psychology enthusiasts

  32. 32
    COMPORTAMENTO HUMANO—

    LinkedInMonthly or less · last post 9 days ago

    Likely audience: psychologists and therapists

  33. 33
    It's Gen Z—

    Substacklast post Jul 10, 2026

    Likely audience: self-help readers

  34. 34
    Soul Surgery23K subscribers

    Substacklast post Apr 21, 2025

    Likely audience: self-reflective individuals

  35. 35
    Apayrus—

    Substacklast post Mar 1, 2024

    Likely audience: Psychology enthusiasts

  36. 36
    the way i see it—

    Substacklast post Nov 16, 2025

    Likely audience: fiction enthusiasts

  37. 37
    Christian’s Substack—

    Substacklast post Aug 9, 2025

    Likely audience: philosophy enthusiasts

  38. 38
    Aaradhya’s Newsletter—

    Substacklast post Nov 20, 2022

    Likely audience: Philosophy enthusiasts

  39. 39
    I've Been Thinking—

    Substacklast post Apr 13, 2021

    Likely audience: Philosophy enthusiasts

  40. 40
    Pandith’s Newsletter—

    Substacklast post Jul 10, 2023

    Likely audience: philosophy enthusiasts

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