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
1	UUNICEF	3.3M	10.6%	41.8	63.6%	Non-governmental organization
2	IInternational Chamber of Commerce	1.2M	3.0%	33.7	58.2%	Non-governmental organization
3	SSouthern Poverty Law Center	1.1M	96.9%	44.6	57.1%	Non-governmental organization
4	CCommon Sense Media	1.1M	62.8%	43.9	57.1%	Non-governmental organization
5	MMédecins Sans Frontières	957k	18.8%	43.1	62.9%	Non-governmental organization
6	NNational Science Teachers Association	887k	63.1%	42.6	72.1%	Non-governmental organization
7	SSave the Children	864k	11.8%	36.0	67.2%	Non-governmental organization
8	IInternational Rescue Committee	847k	63.8%	41.4	69.4%	Non-governmental organization
9	TThrivent Financial	744k	99.5%	45.0	50.7%	Non-governmental organization
10	AAmnesty International	688k	8.0%	37.0	62.3%	Non-governmental organization
11	BBlue Cross Blue Shield of Michigan	632k	97.9%	49.6	54.8%	Non-governmental organization
12	AAnti-Defamation League	613k	14.6%	48.4	55.1%	Non-governmental organization
13	TTrout Unlimited	557k	94.1%	38.3	37.4%	Non-governmental organization
14	EEverytown for Gun Safety	556k	97.6%	47.8	70.1%	Non-governmental organization
15	SSPCA (HK) 香港愛護動物協會	457k	42.4%	19.5	2.9%	Non-governmental organization
16	EEnvironmental Defense Fund	443k	84.3%	41.3	59.1%	Non-governmental organization
17	CChildren International	441k	95.8%	43.5	64.5%	Non-governmental organization
18	AAmerican Indian Movement	408k	16.5%	41.0	57.9%	Non-governmental organization
19	NNational Resident Matching Program	392k	56.0%	41.8	53.1%	Non-governmental organization
20	AAmerican Cancer Society Cancer Action Network	388k	94.9%	48.5	64.2%	Non-governmental organization
21	WWikiLeaks	377k	18.9%	41.0	40.0%	Non-governmental organization
22	CCovenant House	372k	87.0%	48.1	73.5%	Non-governmental organization
23	AAmerican Israel Public Affairs Committee	363k	81.5%	54.2	41.4%	Non-governmental organization
24	DDeseret Industries	354k	99.9%	42.8	73.6%	Non-governmental organization
25	NNational Cattlemen's Beef Association	350k	87.0%	43.2	37.1%	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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