How to read this list
Rank
Position in the Top 18, sorted by audience size from largest to smallest. Updated weekly.
Audience size
Estimated number of unique people in Spain who actively engage with this audience, derived from anonymized search-behavior signals.
Country share
Share of the global audience that is active in Spain. A higher value means the audience is more locally concentrated here.
Avg age
Average age in years across the people who engage with this audience in Spain, derived from anonymized search-behavior signals. A dash means demographic data is not yet available.
Female share
Share of women among the people who engage with this audience in Spain. 50% is gender-balanced; values above mean female-skewed, below mean male-skewed.
Ranking
| Rank | Audience | Audience size | Country share | Avg age | Female share | Subtype |
|---|---|---|---|---|---|---|
| 1 |  Tau Beta Sigma |
20k | 0.3% | 39.0 | 57.9% | Fraternity |
| 2 |  Tau Kappa Epsilon |
18k | 2.9% | 34.1 | 89.7% | Fraternity |
| 3 |  Zeta Tau Alpha |
11k | 1.7% | 38.7 | 54.3% | Fraternity |
| 4 |  Alpha Gamma Delta |
10k | 1.4% | 37.7 | 64.9% | Fraternity |
| 5 |  Tau Beta Pi |
3.6k | 2.0% | 37.0 | 59.1% | Fraternity |
| 6 |  Kappa Sigma |
1k | 0.2% | 36.5 | 75.4% | Fraternity |
| 7 |  Chi Omega |
932 | 0.1% | 38.4 | 61.0% | Fraternity |
| 8 |  Sigma Chi |
849 | 0.1% | 33.1 | 51.9% | Fraternity |
| 9 |  Alpha Xi Delta |
651 | 0.2% | 37.3 | 78.3% | Fraternity |
| 10 |  Alpha Omicron Pi |
631 | 0.1% | 37.0 | 72.0% | Fraternity |
| 11 |  Alpha Phi Alpha |
572 | 0.1% | 33.9 | 47.9% | Fraternity |
| 12 |  Alpha Chi Omega |
565 | 0.1% | 38.7 | 57.6% | Fraternity |
| 13 |  Sigma Nu |
473 | 0.2% | 31.6 | 46.6% | Fraternity |
| 14 |  Kappa Alpha Theta |
471 | 1.8% | 36.9 | 61.7% | Fraternity |
| 15 |  Pi Beta Phi |
378 | 0.1% | 35.4 | 65.6% | Fraternity |
| 16 |  Lambda Chi Alpha |
238 | 0.1% | 37.3 | 60.4% | Fraternity |
| 17 |  Tau Delta Phi |
210 | 2.2% | 30.2 | 65.0% | Fraternity |
| 18 | Sigma Alpha Iota |
175 | 3.5% | 27.7 | 73.9% | Fraternity |
Want the full picture for any of these audiences?
Open any profile to see psychographics, top regions, peer affinities and demographic splits — all derived from the same anonymized signals.
Frequently asked questions
How is this Top 18 list compiled?
Rascasse aggregates anonymized search-behavior signals across Spain 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 Spain?
Tau Beta Sigma currently leads with an estimated audience of 20k people in Spain.