r/istp↗

ISTP

For redditors interested in the Myers-Briggs Type Indicator (MBTI), specifically those identifying as or interested in Introverted Sensing Thinking Perceiving persons (ISTP). Our cognitive function stack is Ti-Se-Ni-Fe.

51k subscribers172 posts / mo in Sep 2026121 authors / mosince 2009

r/istp has 51k members (+11% over the last 12 months). It gets about 172 posts a month from 121 people. Top topics: Personality Types, MBTI Relationships and Friendship Dynamics.

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Size and growth

How r/istp has grown

r/istp

Subscriber growth

Subscribers over time

+11%in 12 months · +1.8% in 3 months · +0.3% in 1 month

Oct 202651k

r/istp

Monthly activity

Posts, comments and authors per month

−30%vs Sep 2025 · −6.3% last 3 months vs the 3 before

Sep 2026172

What people talk about

Topics and brands on r/istp

Brands people mention

Most-mentioned brands and sites, last 12 months

TikTok
Michael Caloz Coaching
Spotify
IDRlabs
Cognitive Typology

The full report

Everything else about r/istp

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research