Facebook UC33 Network (FB100)

A Facebook (UC33, September 2005) dataset of 16,808 users and 522,147 friendship edges, collected by Traud, Mucha & Porter via Facebook network snapshots. Each record contains node attributes: gender (55% male, 45% female), graduation year, major (125 unique), dorm (70 unique), student/faculty status; undirected friendship edges. One of 100 university Facebook networks from Sept 2005, each with rich demographic node attributes enabling homophily and community structure analysis. Gender homophily: 0.0205, major homophily: 0.0356.. Suitable for community detection with node attributes, homophily analysis, demographic network structure, university social dynamics.

#Demographics#Fb100#Homophily#University#University of california

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Analytics

The interactive network needs JavaScript.

· graph.json

The full graph has 16,808 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.

16.8K
Nodes
522.1K
Edges
3.70e-03
Density
4
Components
0.09393
Assortativity
0.0%
Reciprocity
464
Bridges
Most central nodes
22020.08419
72510.05474
161160.05176
26550.04427
7680.04004
50970.03986
164970.03975
156530.03499
85020.03403
111440.03272
Content metrics

16,806 records scored · min–maxmean ± 0.675 σ (the interquartile range if the values are roughly normal)mean

genderμ 1.449 ± 0.497
min 1max 2
roleavg 1.18 / 6
1std 0.606
graduation yearμ 2K ± 1.487
min 2Kmax 2K
major idμ 105.944 ± 40.817
min 43max 177
dorm idμ 42.292 ± 17.553
min 31max 311

Computed over the full corpus.

Record

Catalog key
fb100-uc33
Authors
Traud, Amanda L.; Mucha, Peter J.; Porter, Mason A.
Year
2012
Source paper
Social Structure of Facebook Networks
DOI / arXiv
10.1016/j.physa.2011.12.021
License
Unknown
Records
16,808
Nodes
16,808
Edges
522,147
Nodes are
user
Edges are
friendship
Attributes
nodes have attributes; edges have no attributes
Languages
en
Collected
2005 (2000s)
Tasks
Node classification (binary; gender, role) inferred
From the graph: link prediction, community detection
Region
Global (inferred: the platform is used worldwide)

Provenance

Originally published at
https://archive.org/details/oxford-2005-facebook-matrix link checked
Hosted copy
Mirrored on echo.directory on 2026-10-09, 2.3 MB 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}
}

@article{traud2012social,
  title     = {Social structure of {Facebook} networks},
  author    = {Traud, Amanda L and Mucha, Peter J and Porter, Mason A},
  journal   = {Physica A: Statistical Mechanics and its Applications},
  volume    = {391},
  number    = {16},
  pages     = {4165--4180},
  year      = {2012},
  publisher = {Elsevier}
}

APA

Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory

Traud, A. L., Mucha, P. J., & Porter, M. A. (2012). Facebook UC33 Network (FB100) [Data set]. https://doi.org/10.1016/j.physa.2011.12.021

MLA

Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.

Traud, Amanda L., et al. Facebook UC33 Network (FB100). 2012, doi.org/10.1016/j.physa.2011.12.021.

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