This question already has an answer here:

To ensure a self-sufficient colony, there would need to be enough people to ensure a diverse gene pool, a wide variety of technical experience, and enough bodies to work farms and such. How many people would be necessary for such an undertaking?


marked as duplicate by L.Dutch - Reinstate Monica, Renan, JBH, Sec SE - clear Monica's name, RonJohn Apr 27 '18 at 19:36

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • 1
    $\begingroup$ What are your starting condition for the colonization? As it is today not even the entire population of Earth could be enough to colonize it, as they would quickly be dead. $\endgroup$ – L.Dutch - Reinstate Monica Apr 27 '18 at 18:28
  • $\begingroup$ This question has been asked many times in many ways on this site. The Questions that may already have your answer section below the title field when you asked your question had most of them. It is bad maners to ignore that list. $\endgroup$ – JBH Apr 27 '18 at 19:08