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

Country share

Share of the global audience that is active in Spain. 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 Spain, 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 Spain. 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	1.1M	3.6%	44.2	72.4%	Non-governmental organization
2	GGreenpeace	717k	6.6%	39.4	61.0%	Non-governmental organization
3	AAmnesty International	700k	8.1%	43.1	65.4%	Non-governmental organization
4	SSave the Children	601k	8.2%	40.7	71.1%	Non-governmental organization
5	OOptical Society	279k	65.8%	46.2	63.2%	Non-governmental organization
6	IInternational Chamber of Commerce	66k	0.2%	35.3	52.6%	Non-governmental organization
7	SSocialist International	65k	16.9%	49.2	48.4%	Non-governmental organization
8	WWikiLeaks	48k	2.4%	44.4	41.0%	Non-governmental organization
9	MMédecins Sans Frontières	37k	0.7%	50.0	69.1%	Non-governmental organization
10	SSOS Children's Villages	34k	2.8%	50.0	71.8%	Non-governmental organization
11	SStudent Doctor Network	29k	2.9%	31.8	55.9%	Non-governmental organization
12	NNational Science Teachers Association	27k	1.9%	39.5	61.7%	Non-governmental organization
13	IInternational Rescue Committee	20k	1.5%	46.2	51.6%	Non-governmental organization
14	VVoice of the Martyrs	15k	2.6%	52.8	73.9%	Non-governmental organization
15	CCommon Sense Media	14k	0.8%	35.3	75.6%	Non-governmental organization
16	IInternational Fund for Animal Welfare	12k	2.3%	43.7	62.2%	Non-governmental organization
17	NNational Resident Matching Program	11k	1.6%	36.1	66.1%	Non-governmental organization
18	CCampaign for Nuclear Disarmament	11k	1.1%	40.2	68.6%	Non-governmental organization
19	AAmerican Indian Movement	10k	0.4%	23.9	55.8%	Non-governmental organization
20	PPlan International	7.3k	1.1%	44.9	60.2%	Non-governmental organization
21	AAmref Health Africa	6.9k	1.1%	53.2	82.8%	Non-governmental organization
22	440 Days for Life	5.1k	4.7%	50.7	72.6%	Non-governmental organization
23	TTerre des hommes	4k	1.0%	46.2	100.0%	Non-governmental organization
24	GGlobalGiving	3.2k	1.4%	37.6	48.7%	Non-governmental organization
25	EEuropean Trade Union Confederation	3.1k	14.9%	47.7	49.8%	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 Spain 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 Spain?

UNICEF currently leads with an estimated audience of 1.1M people in Spain.

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