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A mental experiment,

If I would want to be a 2nd degree connection (only 1 person in between me and another one) with everyone on LinkedIn, how many connections would I need to have?

I found these number:

My reasoning, if all these people would have a unique network (all 400 connections are different), it would be like this:

  • 722 000 000 / 400 = 1.8 million connections

Now, I guess majority of users will have a good amount of overlap, so in reality the number would be higher.

Phalox
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  • Are you asking about the worst-case scenario, or rather about an expected number in some random model? – Ilya Bogdanov Nov 21 '20 at 11:17
  • I'm interested in a somewhat realistic number. I assume it won't be possible with some assumptions (how would one quantify the overlap between connections of different people?)

    As I'm a product manager, I'm always interested in applications. If such a model could be fed with real data, it might be awesome to determine your coverage of a certain industry/country/profession! Great for the goal-setting networker.

     – Phalox Nov 22 '20 at 15:44

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