What are the best estimates for:
How many people in the world are familiar with EA?
How many people in the world are currently on a path that might well be EA-recommended for them, even if they are not familiar with EA?
How many people are sympathetic to EA?
How many people are estimated to be in each stage of the concentric circles model
What is the ratio of EAs in major altruistic movements such as Global poverty, Animal rights, and Environmentalism?
How “big” EA is in governments?