How to read this list
Rank
Position in the Top 100, sorted by audience size from largest to smallest. Updated weekly.
Audience size
Estimated number of unique people in United Kingdom who actively engage with this audience, derived from anonymized search-behavior signals.
Country share
Share of the global audience that is active in United Kingdom. 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 United Kingdom, 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 United Kingdom. 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 |
|---|---|---|---|---|---|---|
| 76 | WWar on Want | 50k | 93.2% | 47.9 | 57.5% | Charity |
| 77 | SSierra Club | 50k | 2.2% | 46.4 | 59.2% | Charity |
| 78 | OOdd Fellows | 50k | 10.2% | 46.5 | 75.8% | Charity |
| 79 | 338 Degrees | 49k | 50.9% | 47.1 | 73.6% | Charity |
| 80 | SSan Francisco Opera | 48k | 12.4% | 43.5 | 73.1% | Charity |
| 81 | RRoyal College of Surgeons of Edinburgh | 47k | 60.6% | 41.8 | 56.9% | Charity |
| 82 | LLos Angeles Opera | 47k | 12.1% | 42.8 | 74.0% | Charity |
| 83 | GGirl Scouts | 44k | 3.5% | 36.3 | 77.9% | Charity |
| 84 | TThe Public Theater | 42k | 3.6% | 40.9 | 60.4% | Charity |
| 85 | MMercy Ships | 42k | 10.1% | 51.9 | 59.6% | Charity |
| 86 | KKhalsa Aid | 42k | 14.1% | 41.0 | 41.4% | Charity |
| 87 | FFriends of the Earth | 41k | 17.3% | 42.9 | 70.8% | Charity |
| 88 | SStarlight Children's Foundation | 41k | 23.3% | 50.4 | 82.0% | Charity |
| 89 | NNatural Resources Defense Council | 41k | 4.0% | 47.5 | 42.8% | Charity |
| 90 | EEnvironmental Investigation Agency | 40k | 6.4% | 47.6 | 44.8% | Charity |
| 91 | DDelta Sigma Theta | 39k | 1.2% | 30.7 | 61.3% | Charity |
| 92 | HHabitat for Humanity | 38k | 0.8% | 45.7 | 73.5% | Charity |
| 93 | BBirthright Israel | 37k | 6.1% | 43.5 | 59.9% | Charity |
| 94 | CCalifornia Academy of Sciences | 37k | 4.1% | 41.5 | 56.9% | Charity |
| 95 | MManKind Project | 37k | 8.8% | 46.9 | 26.8% | Charity |
| 96 | JJewish Voice for Peace | 37k | 16.4% | 41.9 | 46.8% | Charity |
| 97 | AAction Against Hunger | 35k | 6.9% | 47.1 | 70.0% | Charity |
| 98 | NNational Wild Turkey Federation | 35k | 4.4% | 38.9 | 42.6% | Charity |
| 99 | TToastmasters International | 34k | 6.3% | 42.2 | 56.5% | Charity |
| 100 | IInternational Olympic Committee | 34k | 0.5% | 40.2 | 41.4% | Charity |
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 list of the most popular charities compiled?
Rascasse aggregates anonymized search-behavior signals across United Kingdom and ranks each charity 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 charity in United Kingdom?
American Student Dental Association currently leads with an estimated audience of 19M people in United Kingdom.