Some key numbers that every effective altruist should know
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Front | How many bacteria are there? |
Back | Around \(5 \times 10^{30}\). |
Source | "There are approximately \(5 \times 10^{30}\) bacteria on Earth, forming a biomass which is only exceeded by plants." (Wikipedia) |
Tags | ea_numbers |
Front | What is the population of India? |
Back | 1.39 billion (2021). |
Source | Our World in Data. |
Tags | ea_numbers |
Front | What is the world's life expectancy at birth? |
Back | 73.3 years (2020). |
Source | Wikipedia (70.8 years for males and 75.9 years for females). |
Tags | ea_numbers |
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Reviews

Nice collection. It is worth to learn them slowly and look into the sources and think about the context a bit.

Interesting info! Thanks!

Great collection of important information for us interested in Effective Altruism (EA) and anyone who wants to be well informed!

I liked it a lot

Useful numbers to know, well cited

Thank you!

Thanks for putting this together!