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
26	CChildren International	15k	3.3%	43.9	49.0%	Non-governmental organization
27	IInternational Justice Mission	13k	5.2%	48.1	76.6%	Non-governmental organization
28	AAmerican Israel Public Affairs Committee	11k	2.6%	42.2	50.7%	Non-governmental organization
29	NNational Organization for Rare Disorders	11k	4.9%	43.2	62.4%	Non-governmental organization
30	VVoice of the Martyrs	9.9k	1.7%	59.0	100.0%	Non-governmental organization
31	NNational Cattlemen's Beef Association	9.8k	2.4%	46.6	35.0%	Non-governmental organization
32	OOne Young World	8.9k	18.0%	42.5	47.5%	Non-governmental organization
33	AAIDS Healthcare Foundation	8.8k	1.9%	41.7	51.8%	Non-governmental organization
34	FFood for the Hungry	8.6k	4.7%	36.3	54.0%	Non-governmental organization
35	SSouthern Poverty Law Center	8.5k	0.7%	30.2	71.0%	Non-governmental organization
36	AAmref Health Africa	8k	1.3%	49.5	64.5%	Non-governmental organization
37	IInternational Association for the Study of Pain	7.6k	6.3%	30.9	62.3%	Non-governmental organization
38	WWorld Vision International	7.2k	0.6%	48.3	78.1%	Non-governmental organization
39	WWorld Zionist Organization	6.6k	4.6%	47.5	63.4%	Non-governmental organization
40	CCannabis Activist Network	6.5k	7.0%	38.8	41.7%	Non-governmental organization
41	MMSPCA-Angell	6.3k	1.9%	51.2	57.9%	Non-governmental organization
42	SSOS Children's Villages	5.8k	0.5%	45.7	70.1%	Non-governmental organization
43	AAmerican Humane Association	5.4k	6.3%	48.7	65.6%	Non-governmental organization
44	JJ Street	5.2k	2.5%	56.7	92.3%	Non-governmental organization
45	TThe Climate Reality Project	5.1k	5.2%	36.4	53.4%	Non-governmental organization
46	AASCD	4.7k	5.9%	36.1	55.4%	Non-governmental organization
47	AALS Association	4.7k	1.6%	42.7	54.1%	Non-governmental organization
48	440 Days for Life	4.6k	4.2%	55.2	87.3%	Non-governmental organization
49	RRaising Children Network	4.6k	42.9%	31.1	21.8%	Non-governmental organization
50	TThe Wildlife Society	4.5k	11.6%	52.2	56.8%	Non-governmental organization

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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.

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