Top 18 Fraternities in United Kingdom
This curated ranking covers the 18 largest fraternities in United Kingdom, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Sigma Chi, Tau Beta Sigma and Zeta Tau Alpha lead the list with a combined estimated audience of 65,318 people. Across all 18 entries the average audience size is 7,420, and the largest, Sigma Chi, reaches around 24,194 people in United Kingdom. Audience size is the estimated number of unique people in United Kingdom who actively engage with each fraternity, derived from search demand signals. Rankings reflect search-behavior signals collected across United Kingdom and are refreshed weekly.
Ranking
| Rank | Name | Audience size | Country share | Subtype | Category |
|---|---|---|---|---|---|
| 1 |  Sigma Chi |
24,194 | 4.3% | Fraternity | Business & Career |
| 2 |  Tau Beta Sigma |
21,802 | 0.3% | Fraternity | Business & Career |
| 3 |  Zeta Tau Alpha |
19,322 | 3.0% | Fraternity | Business & Career |
| 4 |  Alpha Gamma Delta |
18,812 | 2.6% | Fraternity | Business & Career |
| 5 |  Tau Kappa Epsilon |
18,369 | 3.0% | Fraternity | Business & Career |
| 6 |  Sigma Nu |
15,311 | 5.1% | Fraternity | Business & Career |
| 7 |  Alpha Phi Alpha |
4,435 | 0.6% | Fraternity | Business & Career |
| 8 |  Kappa Sigma |
2,017 | 0.5% | Fraternity | Business & Career |
| 9 |  Kappa Alpha Psi |
1,918 | 0.5% | Fraternity | Business & Career |
| 10 |  Chi Omega |
1,658 | 0.2% | Fraternity | Business & Career |
| 11 |  Alpha Omicron Pi |
1,133 | 0.3% | Fraternity | Business & Career |
| 12 |  Alpha Chi Omega |
1,114 | 0.2% | Fraternity | Business & Career |
| 13 |  Alpha Xi Delta |
1,066 | 0.3% | Fraternity | Business & Career |
| 14 |  Pi Beta Phi |
927 | 0.2% | Fraternity | Business & Career |
| 15 |  Lambda Chi Alpha |
499 | 0.2% | Fraternity | Business & Career |
| 16 |  Tau Delta Phi |
453 | 5.1% | Fraternity | Business & Career |
| 17 | Sigma Alpha Iota |
448 | 9.0% | Fraternity | Business & Career |
| 18 |  Iota Phi Theta |
93 | 1.2% | Fraternity | Business & Career |
Frequently asked questions
How is this Top 18 list compiled?
Rascasse aggregates anonymized search-behavior signals across United Kingdom and ranks each fraternity by its estimated audience size. Only entries with at least 5 measured entities are listed.
How often is the list updated?
The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.
What is the largest fraternity in United Kingdom?
Sigma Chi currently leads with an estimated audience of 24,194 people in United Kingdom.
Methodology
Audience sizes are estimated from anonymized search-behavior signals across United Kingdom. Lists below 5 entries are not published. See methodology for full details.