100 Most Popular Non-governmental Organizations in United States 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 States who actively engage with this audience, derived from anonymized search-behavior signals.

Country share

Share of the global audience that is active in United States. 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 States, 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 States. 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	KKettering Health Network	163k	99.8%	47.6	77.7%	Non-governmental organization
52	GGlobalGiving	160k	69.8%	48.4	53.1%	Non-governmental organization
53	FFood for the Hungry	147k	79.9%	41.7	64.2%	Non-governmental organization
54	AAmerican Society of Interior Designers/ASID	146k	89.6%	40.3	62.4%	Non-governmental organization
55	IInternational Fund for Animal Welfare	141k	27.1%	42.7	66.9%	Non-governmental organization
56	JJewish Federation	140k	97.7%	47.6	59.1%	Non-governmental organization
57	IIslamic Relief USA	140k	89.5%	40.2	53.7%	Non-governmental organization
58	MMercatus Center	133k	99.3%	43.7	22.2%	Non-governmental organization
59	KKaiser Family Foundation	131k	73.3%	50.3	58.1%	Non-governmental organization
60	FFisher House Foundation	130k	99.3%	48.3	53.5%	Non-governmental organization
61	AAmerican Civil Liberties Union	113k	59.2%	43.7	58.1%	Non-governmental organization
62	CCampaign for Nuclear Disarmament	113k	11.1%	50.3	72.8%	Non-governmental organization
63	PPolar Bears International	113k	55.5%	44.0	69.8%	Non-governmental organization
64	JJunior Achievement	111k	61.7%	28.0	46.7%	Non-governmental organization
65	NNational Action Network	103k	97.0%	43.7	46.9%	Non-governmental organization
66	BBat Conservation International	99k	87.7%	41.9	47.8%	Non-governmental organization
67	FFreelancers Union	99k	96.0%	34.1	55.3%	Non-governmental organization
68	AAmerican Coaster Enthusiasts	99k	93.8%	41.5	36.5%	Non-governmental organization
69	440 Days for Life	97k	88.2%	46.6	68.0%	Non-governmental organization
70	IInstitute for Justice	93k	99.5%	46.1	33.1%	Non-governmental organization
71	LLabor unions in the United States	88k	97.5%	44.2	42.3%	Non-governmental organization
72	UUrban Land Institute	87k	24.3%	45.0	47.6%	Non-governmental organization
73	FFriendship Circle	85k	98.9%	—	—	Non-governmental organization
74	OOperation Blessing International	85k	98.8%	50.1	75.4%	Non-governmental organization
75	NNational Alliance to End Homelessness	83k	96.8%	32.7	63.6%	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 States 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 States?

UNICEF currently leads with an estimated audience of 3.3M people in United States.

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