Arctic Shift Reddit Archive: All Public Comments and Submissions from 2005-2026

3.8 billion items, including 2.4 billion comments and 1.4 billion submissions, constitute this archive of all public Reddit activity. The dataset, created by open-index, is organized into monthly Parquet shards covering December 2005 through February 2026. It was last updated on the Hugging Face platform in April 2026.

Use Cases

• Train language models on conversational text based on the corpus of 3.8 billion user posts.
• Analyze temporal trends in online discourse based on the monthly shards spanning over 20 years.
• Study community formation and interaction patterns based on the archive of submissions and comments from all public subreddits.
• Conduct sentiment or topic analysis on large-scale social media text based on the Reddit comment and submission data.

Strengths

• Contains 3.8 billion data items, providing massive scale for analysis.
• Covers a long temporal range from December 2005 to February 2026.
• Data is organized into monthly Parquet shards, which suggests a structured format for efficient querying.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• The description does not specify the license, which may restrict usage.
• Data may reflect the biases inherent to the Reddit platform and its user base.

Provenance

Source

Reddit, via the Arctic Shift archive.

Collection Method

Archive of all public Reddit comments and submissions.

Time Range

2005-12 through 2026-02

Freshness

Last updated 2026-04 03 21:42:13.

Geography

Global (online platform).