Community profile

r/askscience

Event-drivenDiscussion & adviceCreated Sep 5, 2008

Science questions answered through discussion of evidence and research.

1Mweekly visitors · 28-day average, observed Aug 30, 2026
26.3Mmembers · observed Aug 30, 2026
3.1Kcontributions · week of Jul 27, 2026
Since 2021membership records in the public showcase

Fixed weekly detail

Weekly activity in r/askscience

Compare complete weeks of contributions and contributors across their displayed periods.

Weekly contributionsPublic posts plus comments, r/askscience
latest 3.1Kweek of Jul 27, 202652-week average 4K
432.12.4K4.3K6.2K8.2KAug 25Nov 25Feb 26May 26Jul 26Weekly contributionspeak 7.3K · Jan 5, 2026432.14.3K8.2KAug 25Feb 26Jul 26peak 7.3K · Jan 5, 2026

Each point is a complete Monday–Sunday UTC total. Weeks of Aug 4, 2025Jul 27, 2026.

Weekly contributorsUnique accounts contributing, r/askscience
latest 659week of Jun 22, 202652-week average 1.3K
453.7886.41.3K1.8K2.2KJun 25Sep 25Dec 25Mar 26Jun 26Weekly contributorspeak 2K · Jun 30, 2025453.71.3K2.2KJun 25Dec 25Jun 26peak 2K · Jun 30, 2025

Each point is a complete Monday–Sunday UTC total. Weeks of Jun 30, 2025Jun 22, 2026.

Event-drivenActivity pattern

Activity in r/askscience is concentrated in bursts, with less consistent timing across years. This suggests event-driven activity; it does not identify a specific cause.

Activity range
3.72×
Busiest four-week period relative to the quietest, after removing the trend. A ratio of 2.5× or more indicates concentrated activity.
Seasonal similarity
0.48
Similarity to the average weekly pattern of the previous three years, from −1 to 1. A score of 0.60 or higher supports a seasonal pattern.
Trend
Not shown
Trend figures are omitted for concentrated activity because their value depends heavily on where the busy period falls.

Reach and participation

Visitors and contributions

Compare audience reach with participation over the shared period. Visitor counts are smoothed over 28 days, so short bursts can appear later and less sharply.

Reach × participationWeekly visitors and weekly contributions, one timeline
Visitors · left scaleContributions · right scale
945K1.3M1.7M1.3K4.3K7.3KSep 25Dec 25Feb 26May 26Aug 26Weekly visitorsWeekly contributions945K1.3M1.7M1.3K4.3K7.3KSep 25Feb 26Aug 26

Historical comparison through Aug 2, 2026. Visitors are a 28-day average; contributions are complete Monday–Sunday UTC totals. The two lines use separate scales, so compare their timing and direction rather than their heights.

The long view

Membership over time

Monthly member counts for r/askscience, from the first available month shown below.

Membership since 2021Members over time, r/askscience
26.3M+16.0% since Sep 21
22.9M24.5M26.1MSep 21Dec 22Mar 24Jun 25Aug 26Members22.9M24.5M26.1MSep 21Mar 24Aug 26

Latest available reading in each month. The vertical axis follows the observed range and does not start at zero.

Related communities

Compare nearby communities

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