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Better: How should we define the challenge?
A big question to answer in a tweet. Obviously you want basic things like infant mortality. The harder question is what else. @MaxCRoser must have thought about this a lot. Max: If you could pick n measures to optimize, what would they be?
This is something I've been thinking about for a long time, ofc I'm not on the same level as Max or others, but here's my opinion nonetheless: 1. Fulfillment - a subjective measure of how meaningful you feel your life is and why e.g. how many people feel x% fulfilled
2. Community - both micro & macro measure of relationships (depth, diversity, and quality) e.g. how many friends/family do you speak to on a daily basis? What's the quality of those conversations? What's the range of people you speak to/ connect with? For groups & individuals.
Infant mortality is good because it's hard to 'cheat' your way to low infant mortality. A lot of things have to go right for infant mortality to be low. While in many other metrics Goodhart's law applies. (Which is an argument against the 'as few as possible' point).
The way we try to answer it is to have one measure for each problem we care about and we make it a kind of KPI that we list at the link in the big overview on the homepage of http://OurWorldInData.org . Here is a snapshot.pic.twitter.com/XmoI4kRmoO
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