Pushshift Reddit — 2015-04
A Reddit (Pushshift archive, 2015-04) dataset of 51,029,878 comments and 29,595,250 reply edges, collected by Jason Baumgartner via Pushshift.io Reddit API archive. Each record contains directed reply graph, 48,169 subreddits, content metrics: score, controversiality, gilded. Monthly slice of the Pushshift Reddit corpus for 2015-04 — full comment text, reply graph, and engagement metrics across 48,169 subreddits.. Suitable for longitudinal Reddit analysis, reply network structure, community detection, sentiment analysis, engagement research.
Cite this dataset at
pushshift-reddit-2015-04.echo.directory
Analytics
The full graph has 51,029,878 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.
Topic 0
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
Topic 6
Topic 7
Sampled: text metrics from 50K of 48.8M records; topic model from 20K. Degree assortativity: exact — Pearson correlation of total degree over every edge (DuckDB) Bridge bottleneck count: exact — biconnected components of the undirected graph (NetworKit) Connected components: exact — weakly connected components (NetworKit) Density: exact Reciprocity rate: exact (DuckDB) Top 10 centrality hubs: exact — full degree count (DuckDB)
Record
- Catalog key
pushshift-reddit-2015-04- Authors
- Baumgartner, Jason; Zannettou, Savvas; Keegan, Brian; Squire, Megan; Blackburn, Jeremy
- Year
- 2020
- Source paper
- The Pushshift Reddit Dataset
- DOI / arXiv
- 10.1609/icwsm.v14i1.7347
- License
- Unknown
- Records
- 51,029,878
- Nodes
- 51,029,878
- Edges
- 29,595,250
- Nodes are
- comment
- Edges are
- reply
- Attributes
- nodes have no attributes; edges have no attributes
- Text corpus
- comment text
- Languages
- en
- Collected
- 2015-04 (2010s)
- Tasks
- From the graph: link prediction, community detection
- Region
- Global (inferred: the platform is used worldwide)
Provenance
- Originally published at
- https://files.pushshift.io/reddit/comments/ unverified
- Hosted copy
- Mirrored on echo.directory on 2026-10-02, 5.3 GB across 1 files. Checksums in MANIFEST.json.
How to cite
BibTeX
@misc{echo2026,
title = {ECHO: Exploratory Compendium of Humanity Online},
author = {Switzer, Braden and Zafarani, Reza},
year = {2026},
url = {https://echo.directory},
note = {Syracuse University}
}
@misc{baumgartner2020pushshift,
title = {The Pushshift Reddit Dataset},
author = {Baumgartner, Jason and Zannettou, Savvas and Keegan, Brian and Squire, Megan and Blackburn, Jeremy},
year = {2020},
eprint = {2001.08435},
archiveprefix = {arXiv}
} APA
Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory
Baumgartner, J., Zannettou, S., Keegan, B., Squire, M., & Blackburn, J. (2020). Pushshift Reddit — 2015-04 [Data set]. https://doi.org/10.1609/icwsm.v14i1.7347
MLA
Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.
Baumgartner, Jason, et al. Pushshift Reddit — 2015-04. 2020, doi.org/10.1609/icwsm.v14i1.7347.