How hard is it to become Prime Minister of the United Kingdom?
How much good should one expect to do in a political career aimed at Parliament or Prime Ministership in the United Kingdom? A number of members of 80,000 hours suspect that they have above-average suitability for politics, but want to compare the field against research or entrepreneurship. To do that we need to think about the power of elected officials to sway policy in office, the value of different policies, and the probability that a political career will reach various levels of success. This post will take a stab at the last question, using data from Parliament and the educational system.
With a strong academic background, interest in politics, and social skill those chances may be surprisingly good, as much as 1 in 3 for becoming an MP, and 1 in 300 for PM. Let’s take a first pass at our Fermi calculation and see how.

