Charities
Each card below shows a meta-organisation within the space of Effective Altruism: what it does, an estimated giving multiplier, how certain that estimate is, and which cause areas it tends to support.
Important note: This is just a prototype — The data shown is not real.22 organisations

Founders Pledge
Pledge platform for tech entrepreneurs and founders to commit equity or proceeds to effective charities, backed by in-house research.
12.5X most likely multiplier
Ranging 7X–20X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Cause-Neutral — 40%
- Effective Climate Work — 30%
- Global Health & Wellbeing — 30%
share of recorded donations, 2023–2024
GiveWell
Charity evaluator that performs deep-dive research and recommends top global-health and development charities.
9.4X most likely multiplier
Ranging 6X–14X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 100%
share of influenced donations, 2023–2024
One for the World
Pledge organisation, mainly for students and young professionals, committing 1%+ of income to effective global-health and poverty charities.
8.3X most likely multiplier
Ranging 5X–12X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 100%
share of estimated additional donations, 2023–2024

Animal Charity Evaluators
Evaluates and recommends highly effective animal-advocacy charities, and makes grants of its own.
7.2X most likely multiplier
in the 5-95 percentile confidence interval
Plausible range (scenario estimate): 4× (Demo conservative scenario) – 11× (Demo optimistic scenario)
Last updated 2026-09-26
Cause areas supported
- Animal Welfare — 100%
share of influenced donations, 2023–2024

Giving Green
Research team evaluating and recommending high-impact climate nonprofits, and running a regranting fund.
6.6X most likely multiplier
in the 5-95 percentile confidence interval
Demo text only: a real assessment would explain in plain language what is well understood versus uncertain about climate-nonprofit cost-effectiveness.
Last updated 2026-09-26
Cause areas supported
- Effective Climate Work — 100%
share of influenced donations, 2023–2024
Giving What We Can
Runs the 10% Pledge and a donation platform that routes money to independently evaluated, highly effective charities worldwide.
6.2X most likely multiplier
Ranging 3.9X–9.1X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 55%
- Animal Welfare — 20%
- Cause-Neutral — 25%
share of influenced donations, 2023–2024

Effektiv Spenden
German donation platform (operated by UES gGmbH, Berlin) directing donations to evaluated effective charities across global health, climate, and animal welfare.
5.9X most likely multiplier
Ranging 3.5X–9.5X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 45%
- Effective Climate Work — 30%
- Animal Welfare — 25%
share of recorded donations, 2023–2024
The Life You Can Save
Evaluates and curates high-impact poverty-focused charities and runs donation funds; founded by philosopher Peter Singer.
5.5X most likely multiplier
Ranging 3.2X–8.6X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 100%
share of influenced donations, 2023–2024

Ge Effektivt
Swedish donation platform for evaluated effective charities, independent nonprofit since 2021.
5.1X most likely multiplier
Ranging 3X–8X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 50%
- Effective Climate Work — 25%
- Animal Welfare — 25%
share of recorded donations, 2023–2024

Effective Altruism Funds (EA Funds)
Regranting platform with four funds spanning global health & development, the long-term future, EA infrastructure, and animal welfare.
4.9X most likely multiplier
in the 5-95 percentile confidence interval
Plausible range (scenario estimate): 2.8× (Demo conservative scenario) – 8× (Demo optimistic scenario)
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 30%
- Animal Welfare — 20%
- AI Safety — 20%
- Cause-Neutral — 30%
share of recorded donations, 2023–2024
Ayuda Efectiva
Spanish foundation (est. 2019, Madrid) making tax-deductible donations to GiveWell- and Giving What We Can-recommended charities.
4.7X most likely multiplier
in the 5-95 percentile confidence interval
Demo text only: a real assessment would describe what drives confidence up or down in plain language rather than a numeric range.
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 100%
share of recorded donations, 2023–2024
Giv Effektivt
Danish donation platform that passes 100% of donations to GiveWell- and Giving What We Can-recommended charities.
4.4X most likely multiplier
in the 5-95 percentile confidence interval
Plausible range (scenario estimate): 2.5× (Demo conservative scenario) – 7× (Demo optimistic scenario)
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 90%
share of recorded donations, 2023–2024 (shares are estimates and may not total 100%)

Effective Altruism Australia
Independent Australian fundraising foundation directing tax-deductible donations to evaluated effective charities across multiple causes.
4.1X most likely multiplier
Ranging 2.6X–6.4X in the 5-95 percentile confidence interval
Last updated 2026-09-26
Cause areas supported
- Global Health & Wellbeing — 50%
- Animal Welfare — 20%
- Cause-Neutral — 30%
share of recorded donations, 2023–2024
80,000 Hours
Research-backed career advice and job board helping people direct their working lives toward high-impact careers.
4X most likely multiplier
in the 5-95 percentile confidence interval
Demo text only: a real assessment would describe in plain language how confidently career changes can be attributed to 80,000 Hours' advice.
Last updated 2026-09-26
Cause areas supported
Not yet available
Gi Effektivt
Norwegian donation portal, run under Stiftelsen Effekt, directing donations to GiveWell top charities.
3.8X most likely multiplier
in the 5-95 percentile confidence interval
Not yet assessed
Cause areas supported
- Global Health & Wellbeing — 95%
share of recorded donations, 2023–2024 (shares are estimates and may not total 100%)

Doneer Effectief
Dutch/Belgian foundation (originally launched as Effectief Geven) routing donations to vetted climate, poverty, and animal-welfare charities.
3.6X most likely multiplier
in the 5-95 percentile confidence interval
Plausible range (scenario estimate): 2× (Demo conservative scenario) – 6× (Demo optimistic scenario)
Last updated 2026-09-26
Cause areas supported
- Effective Climate Work — 40%
- Global Health & Wellbeing — 35%
- Animal Welfare — 25%
share of recorded donations, 2023–2024

High Impact Athletes
Mobilises professional athletes and fans to fundraise for effective climate and global-health charities.
3.3X most likely multiplier
in the 5-95 percentile confidence interval
Demo text only: a real assessment would explain in plain language what is well understood versus uncertain about athlete-driven fundraising.
Last updated 2026-09-26
Cause areas supported
- Effective Climate Work — 60%
- Global Health & Wellbeing — 40%
share of recorded donations, 2023–2024

Manifund
Regranting and impact-certificate platform where independent regrantors get budgets to fund projects, historically weighted toward AI safety.
3.1X most likely multiplier
in the 5-95 percentile confidence interval
Demo text only: a real assessment would explain in plain language what is well understood versus uncertain about a regranting platform's added value.
Last updated 2026-09-26
Cause areas supported
- AI Safety — 60%
- Cause-Neutral — 40%
share of recorded donations, 2023–2024

Ambitious Impact (AIM)
Charity incubator (formerly Charity Entrepreneurship) that trains and launches new high-impact nonprofits, and runs grantmaking and research arms.
The estimate
Assessment pending
in the 5-95 percentile confidence interval
Not yet assessed
Cause areas supported
Not yet available
Coefficient Giving
Major grantmaker and philanthropic advisor (formerly Open Philanthropy, renamed November 2025) directing capital to high-impact causes including global health and global catastrophic risk.
The estimate
Assessment pending
in the 5-95 percentile confidence interval
Not yet assessed
Cause areas supported
Not yet available
Longview Philanthropy
Advises major donors and grantmakes on reducing global catastrophic risks, including AI, biosecurity, and nuclear risk.
The estimate
Assessment pending
in the 5-95 percentile confidence interval
Not yet assessed
Cause areas supported
Not yet available

Raising for Effective Giving (REG)
Encourages professional poker players and investors to pledge a share of winnings to effective charities.
The estimate
Assessment pending
in the 5-95 percentile confidence interval
Not yet assessed
Cause areas supported
Not yet available