100 Most Popular Non-governmental Organizations in United Kingdom 2026 — by Audience Size

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
51	UUnited Nations Volunteers	4.5k	5.3%	35.1	64.1%	Non-governmental organization
52	EEnvironmental Defense Fund	4.5k	0.9%	38.5	63.2%	Non-governmental organization
53	WWildlife Conservation Network	4.5k	12.2%	49.1	56.4%	Non-governmental organization
54	NNASSCOM	4.4k	1.3%	39.2	51.8%	Non-governmental organization
55	EEverytown for Gun Safety	4.3k	0.8%	44.0	75.5%	Non-governmental organization
56	NNefesh B'Nefesh	3.9k	5.7%	38.7	57.3%	Non-governmental organization
57	BBBYO	3.9k	5.5%	40.0	75.9%	Non-governmental organization
58	TThe Access Fund	3.8k	18.2%	22.4	50.8%	Non-governmental organization
59	CClooney Foundation for Justice	3.7k	13.2%	43.9	61.6%	Non-governmental organization
60	JJunior Achievement	3.6k	2.0%	28.5	47.2%	Non-governmental organization
61	WWorld Association of Girl Guides and Girl Scouts	3.5k	12.0%	44.9	66.2%	Non-governmental organization
62	CCovenant House	3.5k	0.8%	23.0	62.8%	Non-governmental organization
63	TThe International Cat Association	3.4k	9.9%	48.9	74.3%	Non-governmental organization
64	CChosen People Ministries	3.3k	1.8%	31.0	42.1%	Non-governmental organization
65	BBioneers	3.3k	5.7%	45.8	64.3%	Non-governmental organization
66	TThe Parents Circle-Families Forum	3.2k	38.0%	44.4	51.8%	Non-governmental organization
67	TTrout Unlimited	3k	0.5%	42.1	65.9%	Non-governmental organization
68	CCivil Rights Defenders	2.9k	8.0%	32.3	49.4%	Non-governmental organization
69	GGlobalGiving	2.2k	0.9%	47.2	58.9%	Non-governmental organization
70	PPublic Service Loan Forgiveness (PSLF)	2.1k	1.0%	28.0	63.1%	Non-governmental organization
71	PPoints of Light	2.1k	1.1%	24.4	100.0%	Non-governmental organization
72	TTerre des hommes	2.1k	0.5%	45.4	82.7%	Non-governmental organization
73	SSusan B. Anthony List	2.1k	10.6%	35.8	93.0%	Non-governmental organization
74	AAssociation for Women's Rights in Development	2k	53.5%	41.3	56.3%	Non-governmental organization
75	AAmerican Cancer Society Cancer Action Network	2k	0.5%	50.6	80.0%	Non-governmental organization

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.

Explore the full directory →

Frequently asked questions

How is this list of the most popular non-governmental organizations compiled?

Rascasse aggregates anonymized search-behavior signals across United Kingdom and ranks each non-governmental organization 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 non-governmental organization in United Kingdom?

UNICEF currently leads with an estimated audience of 1.6M people in United Kingdom.

Other top lists in United Kingdom

Churches Religions Languages Economists Politicians Militaries Entrepreneurs Labor Unions Composers Activists