Quiz on different cause areas

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What does the lesson say about the scale of extreme poverty and how we can help?

Around 70 million people live in extreme poverty; the evidence base for global health interventions is weakRoughly 700 million people live below the World Bank’s extreme poverty line (~$2.15/day). Top GiveWell charities (bed nets, deworming, cash transfers) can save a life for roughly $3,000–$5,000Around a billion people in extreme poverty; the most cost-effective interventions vary so widely that no leaders can be identifiedThe lesson doesn’t give specific figures or interventions

What contrast does the lesson use to illustrate the neglectedness of factory farming?

Factory farming receives less funding than space exploration~80 billion farmed land animals/year against ~$200 million in annual farmed animal welfare spending—roughly 1/750th of what the US pet industry spends (~$150 billion/year)The number of animals affected is roughly equal to the human population, and spending is comparable to global health fundingAnnual spending on farmed animal welfare is roughly equal to spending on global health (~$50 billion each)

What does the lesson identify as approximate annual philanthropic spending on AI safety research and pandemic preparedness?

AI safety: ~$10 billion; pandemic preparedness: ~$50 billionAI safety: ~$300 million (and growing fast); pandemic preparedness: ~$5 billionAI safety: ~$200 million; pandemic preparedness: ~$200 millionBoth receive at least $50 billion

Roser’s “The future is vast,” cited in the lesson, works through one defensible scenario for the size of humanity’s future. What number does that scenario give?

Around 8 billion future people, equivalent to today’s populationAround 100 billion future people, the same order of magnitude as everyone who has ever livedRoughly 100 trillion future people, if humanity survives a typical mammalian species lifespan of about a million years at a stable population of around 11 billionThe number cannot meaningfully be estimated

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Lesson 4: A tour of cause areas

Lesson 5: The limits of ITN