It will soon be Giving Tuesday, and its time for me to do what I do on Vox every Giving Tuesday: encourage people to give more money to effective charities.Over years of doing this, Ive gotten a long and familiar list of objections. I decided this year to try my best to answer them.What are you asking me to do?I am asking you to give 10 percent of your pretax income to a charity that saves lives. I give my 10 percent to GiveWells top charities fund, which redistributes it to highly effective global health charities like the Malaria Consortium and Helen Keller International. GiveWell estimates that for every $5,000 gift, these charities will save one human life.I think of GiveWell as like the charity version of an index fund: Its a rigorous, impartial recommender that you can donate to without having to pick and choose individual causes. It has also been, disclosure, an advertiser on Vox Media podcasts, though Ive been using it since long before that was true.10 percent seems like a lot.Its significant. For the average American household, which has an income of roughly $75,000, its a $7,500 commitment. Thats a real bite, but its also more than enough to save a life.I dont know if I can afford 10 percent Thats fair! Can you do 5 percent?Maybe I would go as low as 1 percent!But then thats only $750 a year, and that cant save a life.Well, every five years you would. And if you want to do more good, we can always go back to 10 percent!The Vox guide to givingThe holiday season is giving season. This year, Vox is exploring every element of charitable giving from making the case for donating 10 percent of your income, to recommending specific charities for specific causes, to explaining what you can do to make a difference beyond donations. You can find all of our giving guide stories here.Okay, okay, 10 percent. Isnt that kind of religious?For sure: The practice of tithing in many world religions is a key inspiration here. The twist is Im suggesting tithing not to religious institutions but to highly effective charities (which could be religious or not its not their beliefs that matter, but their effectiveness).So why these particular charities?Because theres a huge, huge difference between what the most and least effective charities can accomplish with donations. You might think that charities are like brands of dish soap Ive never once thought that.Its an analogy, give me a second. The absolute best dish soap is probably, at most, a tiny bit better than the average brand, right? I mean its just soap. Even Wirecutter says you probably cant go wrong with most name-brand dish detergents.Fair enough, soap is soap.But really, charities are more like chefs knives. The difference between the best and worst knife is enormous and affects the entire process of cooking, or so it has been explained to me by superior cooks. Its the difference between an enjoyable time in the kitchen versus pure drudgery (and a heightened chance you inadvertently chop off your fingertip).So what does this have to do with charity?What it has to do with charity is that the vast majority of nonprofits have no evidence of positive impact at all, and even charities brave enough to agree to rigorous tests of their impact see widely variable effectiveness. In global development, something like 60 to 70 percent of interventions tested show no results at all, which effectively means the money donated could have just been thrown down a hole.And among those that do show results, the size of the impact varies drastically. The researcher Benjamin Todd has looked into these questions a lot, examining nine different databases of program impact, and found that in every context, from US social policy to global health to the UKs National Health Service to estimates of climate policies, the results are fat-tailed. Thats statistics talk for the conclusion that the best interventions are much, much better than the average interventions. How much better are these super-interventions?It depends, but here are a couple of examples: The most cost-effective treatments examined by Britains National Health Service were 120 times more effective than the median treatment. A World Bank study found the most effective interventions in global health were 38 times more effective than the median ones.Because it lets you do a lot more good. Suppose youre giving $7,500 a year. If you gave that to an average global health program, youd be providing 30 more total years of healthy life to a few people, per the World Bank data.30 years of life! Thats pretty good, right?Its great. But if you put that money toward one of the 2.5 percent most cost-effective interventions, youd save about 1,275 years of life.Quite possibly! These are necessarily rough numbers and you shouldnt take them too literally. You might merely save hundreds of years of life. But the magnitudes here strongly suggest that you should be careful about choosing where to donate, because the difference between the best and the merely okay is huge.Theres a reason the philosopher Toby Ord, who originated the 10 percent of income to effective charities pledge idea, has argued that cost-effectiveness is a moral imperative, on par with the moral imperative to give money at all.So I looked at the GiveWell list of top charities why arent there any working in the US?Good question. The short answer is the US is a rich country, which means everything tends to cost more than it does abroad including the cost of helping people in need. The US still has extreme poverty, in the global, living-on-$2-a-day standard, but its comparatively rare and hard to target effectively. The poorest Americans also have access to health care and education systems that, while obviously inferior compared to those enjoyed by rich Americans, are still superior to those of very poor countries.To be blunt: People in the US simply are not dying for want of a $1.50 anti-malaria pill. (For one thing, the US managed to essentially eradicate malaria transmission from within its borders.) That means it is much, much more cost-effective to help people abroad.How much more cost-effective?Heres one example. Years ago, GiveWell looked into a number of US charities, like the Nurse-Family Partnership program for infants, the KIPP chain of charter schools, and the HOPE job-training program. It found that all were highly effective but were also far more cost-intensive than the best foreign charities. KIPP and the Nurse-Family Partnership cost more than $9,000 per child served, while a program like the Malaria Consortiums prevention efforts costs around $4,500 per life saved.Theres been less work on evaluating US charities in recent years than would be ideal, and Id love to hear about charities that can save lives here very cost-effectively. But right now, the evidence suggests to me that its much more expensive to save lives in the US than abroad. But I still want to help people closer to me.Thats a commendable impulse! I get it, really, and if the most I can convince you to do here is give 10 percent of your income to fight poverty in the US, then you should do that and Ill take the win.But I would also ask you to consider the idea that people in other, much poorer countries have equal moral weight to those who live in your country. Their lives matter just as much. And if you can help, say, 100 of them for the cost of helping one American, and you choose to do the latter, youre making an implicit choice to value Americans much more than non-Americans. I think there might be valid reasons to make that choice but its not one I want to make, so thats not how I donate.Indeed they do. I think the best critique of GiveWells list well, less a critique than an argument not to use it exclusively is that you can do even more good, even more efficiently if you try to help animals, especially farm animals bred and raised in extreme suffering just so they can be slaughtered. There are billions of them, and very little is spent trying to help them. If you want to help them, Animal Charity Evaluators has some good suggestions of where to give. Im partial to the Humane League, which pressures corporations to improve their treatment of farmed animals.This all sounds like effective altruism.It does because it is. Todd and Ord were among the founders of effective altruism, and generally the community and people in it have developed a lot of the ideas you see above, from the focus on cost-effectiveness to the give 10 percent idea to taking animals seriously.Didnt effective altruists do a bunch of crimes a few years ago?A bunch of EAs definitely did a bunch of crimes a few years ago. Sam Bankman-Fried and several of his colleagues at FTX and Alameda Research identified as EAs and stated that they were only becoming billionaires to donate the proceeds to effective charities. Of course, they turned out to be stealing lots of money in the process and Bankman-Fried has since been convicted in federal court and sentenced to 25 years in prison. (Disclosure: In 2022, Bankman-Frieds philanthropic family foundation, Building a Stronger Future, awarded Voxs Future Perfect a grant for a 2023 reporting project. That project is now on pause.)So he did crimes because of these ideas?I dont think we know for sure why he did what he did, but there are some theories. One theory is that Bankman-Fried took the idea that you should make as much money as possible and donate it as efficiently as possible, and ran way too far with it to the point where committing outright fraud to make money to donate made sense to him, on the apparent grounds that the potential good that could be done with it was worth the risk to himself and many others. Other theories hold that he was just lying the whole time, never cared about doing the right thing, and used EA as a cover for his own greed. Either way, it reflects very badly on EA.So why are you asking me to take these effective altruist ideas seriously?Because theyre good ideas and theyre in danger of being totally discredited because of some effective altruists who didnt even take the donate a lot of your income to normal charities that save lives part of the philosophy seriously.Look at SBF: He distributed a bunch of money to causes he valued, but they were explicitly not causes involving giving people lifesaving medication right now. They were more speculative longtermist causes things like AI safety and preventing global catastrophic risks. Whatever you think of that behavior, its precisely not what Im asking you to do right now.If they didnt take these ideas seriously, why should I?Because you have the opportunity to save lives, right now, and you should take it.This whole thing where you think Im, like, obligated to give this much is weird.I dont think youre obligated. I just think its a good thing to do and that you should consider it. If everyone did it, we could end global poverty and then some. And I dont even think its purely an altruistic good thing. I think itll be good for you as a person, too.Oh, really? I should selfishly give away 10 percent of my income?Thats honestly a big part of why I do it.Really? For yourself?Sure. Look, I think its important to do good for other people, in and of itself. Thats a major motivator, definitely.But you ever wonder if your life has meaning? If it makes any kind of difference to the world? Personally, I want to live a life that means something, that leaves things ever so slightly better than I found them. I want to be pursuing goals that arent just material. I dont want to mark the progression of my life solely through raises and promotions, or fall victim to the subtle pressures that push me to spend more and more of my money on gadgets and furniture that make me progressively less happy.Im talking about a problem that, for me, giving 10 percent of my income away helps solve. One, it helps establish a baseline meaning or impact from my work if nothing else, I know that the money I make through my job contributes to saving peoples lives. That has to count for something. Thats a source of real meaning and pride.Two, it provides a powerful counterforce to the treadmill that comes as you age and make more money, a treadmill that pushes you to spend lots of it to keep up with your peers or feel like youre living better. There are definitely times when I feel like Im not taking as nice a vacation as my friends are, or where I feel kinda cheap for having mostly Wayfair furniture while my friends have a nice, solid wood dining table. Sometimes I blame the donations for these feelings.But mostly I am thankful for them. The idea that, after you reach a certain level of baseline comfort, additional consumer spending is going to make you dramatically happier is a seductive lie. And one of the few weapons I have against it is the knowledge that I face a very real choice between, say, getting one of those amazing lie-flat business-class airplane seats for my next vacation and saving a human beings life. That lets me resist the former, and live a life that feels just a tiny bit more meaningful.Okay, fine, Im in. Where do I sign up?The group Giving What We Can runs a pledge, which I and thousands of others have signed, for people who commit to donating 10 percent of their income to highly effective charities. You can sign if you want. But the main thing to do is just give.Youve read 1 article in the last monthHere at Vox, we're unwavering in our commitment to covering the issues that matter most to you threats to democracy, immigration, reproductive rights, the environment, and the rising polarization across this country.Our mission is to provide clear, accessible journalism that empowers you to stay informed and engaged in shaping our world. By becoming a Vox Member, you directly strengthen our ability to deliver in-depth, independent reporting that drives meaningful change.We rely on readers like you join us.Swati SharmaVox Editor-in-ChiefSee More: