International Union of Socialist Youth
The International Union of Socialist Youth (IUSY) is a Vienna-based international non-governmental organisation founded in 1907 that serves as the world's largest political youth federation, uniting approximately 150 socialist, social-democratic and labour youth organisations from over 100 countries to coordinate cross-border activism, political education, and advocacy programmes for young people aged 18–35.
- Company typePrivate
- Founded1907
- HeadquartersVienna, Austria
- Headcount11–50
- GTM type—
- Offering—
What International Union of Socialist Youth does
The International Union of Socialist Youth (IUSY) is a Vienna-based international non-governmental organisation founded in 1907, operating as the world's largest political youth federation with approximately 150 socialist, social-democratic and labour youth member organisations spanning over 100 countries. Its core function is to provide a global platform for cross-border youth political activism, political education, and advocacy on democracy, human rights, equality, sustainability, and social justice, targeted at activists aged 18–35 and at the youth wings of centre-left political parties.
IUSY's 'products' are programmatic rather than technological: flagship offerings include the World Congress, World Festival, Global Seminar, regional committee meetings (European, African, American, Asia Pacific, Balkan Round Table), thematic working groups (Feminist, Queer, Student), the Training of Trainers / Pool of Trainers capacity-building programme, the Peace Thematic Network, and coordinated international campaigns. In 2026 the organisation extended into asynchronous educational content with three toolkits — InsightImpact (combating gender-based violence), YouthLead (digital political facilitation), and Promoting Active Citizenship — distributed free via the website, and is developing an in-house digital communication platform for member engagement. Underlying technology is modest: a content website, newsletter, and standard social media channels, with no proprietary software product.
The business model is non-profit and federation-based. Revenue (undisclosed) is generated from institutional grants (European Youth Foundation, Olof Palme Center, the European Union), donations via the website, and member-organisation contributions, with grassroots events typically priced at low participation fees (e.g., 30 EUR for the June 2026 Vienna training) while travel, accommodation, and meals are covered by EYF support. Go-to-market is community-led and event-driven, reaching members through the global network of ~150 local organisations and international gatherings rather than direct sales or marketing.
International Union of Socialist Youth firmographics
Firmographics- Name
- International Union of Socialist Youth
- Legal name
- International Union of Socialist Youth
- Website
- https://iusy.org
- Company type
- Private
- Founded year
- 1907
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- The International Union of Socialist Youth (IUSY) is a Vienna-based international non-governmental organisation founded in 1907 that serves as the world's largest political youth federation, uniting approximately 150 socialist, social-democratic and labour youth organisations from over 100 countries to coordinate cross-border activism, political education, and advocacy programmes for young people aged 18–35.
- Ownership category
- akta.pro rank
International Union of Socialist Youth industry classification
Industry- Product category
- Youth Political Advocacy Services
- NAICS
- Political Organizations (813940), Human Rights Organizations (813311), Civic and Social Organizations (813410), Educational Support Services (611710)
- SIC
- Services-Membership Organizations (8600), Services-Educational Services (8200)
- akta.pro primary industry
- Human Rights, Democracy & Rule of Law IGOs (BPADAAAG)
Keywords
Where International Union of Socialist Youth is headquartered
LocationHeadquarters
- HQ city
- Vienna
- HQ country
- Austria
- HQ region
- Europe
Offices2 records
Markets served
International Union of Socialist Youth business model
Business model- Cost components
- Personnel, Operations, Marketing or Sales, Others
Revenue model
- Donations and membership support: IUSY receives support through donations from individuals and organisations. The website includes a 'Donate' option for supporters.
- Institutional funding and grants: Supported by institutional partners including the European Youth Foundation (EYF), Olof Palme Center, and the European Union. Funding covers project activities, events, and operational costs.
- Membership dues: Revenue generated from member organisations through membership fees (implicitly referenced through membership structure)
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | One-time | Grassroots activist events with participation fee 30 EUR |
| Freemium | Others | Training and educational resources provided free |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
International Union of Socialist Youth product offering
Product offeringCore offering
IUSY is an international NGO operating a federation of approximately 150 socialist, social-democratic, and labour youth organisations from over 100 countries. It delivers its offering through international events (World Congress, World Festival, World Council, Global Seminars, regional committee meetings), thematic working groups (Feminist, Queer, Student), capacity-building training programmes, coordinated advocacy campaigns, and free educational toolkits such as InsightImpact, YouthLead, and the Promoting Active Citizenship Toolkit.
Product overview
IUSY is an international NGO comprising approximately 150 socialist, social democratic, and labour youth organizations from over 100 countries. The organization functions as a platform for international youth activism rather than a technology product company. Its offerings include World Congress and World Festival events, regional committee meetings, working groups (Feminist, Queer, Student), and training programs. Educational resources include toolkits such as InsightImpact (gender-based violence), YouthLead (digital facilitation), and Promoting Active Citizenship. The organization also runs a Peace Thematic Network and is developing a digital communication platform for member engagement.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- Global network of 150+ youth organisations from 100+ countries
Companies that use International Union of Socialist Youth
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles2 records
International Union of Socialist Youth technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
International Union of Socialist Youth partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered major.
- Kurt Löwenstein Youth Education CentremajorRun by Socialist Youth of Germany (Die Falken) near Berlin. Hosts annual Queer Easter seminar where IUSY participates with its own delegation. Provides educational training on non-formal education, socialist education, and queer activism.
- Young European Socialists (YES)majorIUSY collaborates with YES on joint statements and initiatives, particularly regarding peace in Europe and Ukraine. Joint advocacy on European youth issues.
Scale indicators3 records
Recent moves6 records
Expansion highlights5 records
International Union of Socialist Youth competitors and assessment
Company assessmentDirect peers
- World Federation of Democratic Youth (WFDY): Long-standing international youth federation aligned with left-wing and communist movements. Shares IUSY's umbrella-federation model and activist-education focus, but with a different ideological lineage.
- International Federation of Liberal Youth (IFLRY): International federation of liberal youth organizations. Operates the same political youth umbrella model across multiple continents, making it the most directly comparable international political youth federation to IUSY.
- Young European Socialists (YES): European-level federation of social democratic and socialist youth organizations. YES is a direct regional peer and an explicit IUSY partner for joint statements and initiatives on European youth issues.
- International Young Democrat Union (IYDU): Global youth arm of the international centre-right/Christian democrat movement. Competes for the same global political youth organization space as IUSY but from the opposite ideological end of the spectrum.
- Young Democrats of the Americas: Regional political youth federation active across the Americas. Mirrors IUSY's regional committee model and serves as the comparable centre/centre-left counterpart in the same continents IUSY covers.
Regional players
- Young European Federalists (JEF): European youth movement advocating European integration and federalism. Comparable in age, structure, and target audience (politically engaged 18-35 youth activists), but ideologically distinct from IUSY.
Broad incumbents
- European Youth Forum: Largest umbrella platform for European youth NGOs, including IUSY member organizations. Operates as a broader incumbent over the same youth-organization constituency IUSY serves at the global level.
- Socialist International: Global federation of social democratic, socialist, and labour parties. IUSY is the youth wing of the broader Socialist International ecosystem, making it a parent-adjacent organization for member and ideological alignment.
Emerging players
- Young Greens / Federation of Young European Greens (FYEG): European federation of green/environmental youth organizations. Overlaps with IUSY on progressive youth mobilization, political education, and the working-group/committee delivery model.
Others
- Olof Palme International Center: Swedish umbrella organization supporting international progressive and social democratic movements. A core IUSY funder and a key node in the same political ecosystem, providing both funding and ideological alignment.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
International Union of Socialist Youth social profiles
Digital presenceInternational Union of Socialist Youth financial estimates
Financial estimateRevenue estimate
Valuation estimate
International Union of Socialist Youth leadership team
Management profileNumber of profiles
Profiles2 records
International Union of Socialist Youth funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
International Union of Socialist Youth M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about International Union of Socialist Youth
What does International Union of Socialist Youth do?
IUSY is an international NGO operating a federation of approximately 150 socialist, social-democratic, and labour youth organisations from over 100 countries. It delivers its offering through international events (World Congress, World Festival, World Council, Global Seminars, regional committee meetings), thematic working groups (Feminist, Queer, Student), capacity-building training programmes, coordinated advocacy campaigns, and free educational toolkits such as InsightImpact, YouthLead, and the Promoting Active Citizenship Toolkit.
Is International Union of Socialist Youth a public or private company?
International Union of Socialist Youth is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was International Union of Socialist Youth founded?
International Union of Socialist Youth was founded in 1907. It employs 11 to 50 people.
Where is International Union of Socialist Youth based?
International Union of Socialist Youth is headquartered in Vienna, Austria, in the Europe region.
How does International Union of Socialist Youth make money?
Three revenue lines are on record. Donations and membership support is the primary driver. The others are institutional funding and grants and membership dues.
Who are International Union of Socialist Youth's main competitors?
Direct peers on record are World Federation of Democratic Youth (WFDY), International Federation of Liberal Youth (IFLRY), Young European Socialists (YES), International Young Democrat Union (IYDU) and Young Democrats of the Americas. Young European Federalists (JEF) is listed as a regional player. Broad incumbents are European Youth Forum and Socialist International. Young Greens / Federation of Young European Greens (FYEG) is listed as an emerging player. Olof Palme International Center is listed as an others.
Does International Union of Socialist Youth have an API?
No public API is recorded for International Union of Socialist Youth.
What industry is International Union of Socialist Youth in?
International Union of Socialist Youth's product category is Youth Political Advocacy Services. Its primary akta.pro industry code is BPADAAAG, Human Rights, Democracy & Rule of Law IGOs. Its NAICS code is 813940 and its SIC code is 8600.