Here are all the different sentient alien species in Star Wars.
Humans:
Humans were the galaxy's most numerous and politically dominant sentient species with millions of major and minor colonies galaxywide. Believed to have originated on the galactic capital of Coruscant, they could be found anywhere, engaged in many different pursuits: spacers, mercenaries, smugglers, merchants, soldiers, assassins, farmers, crime lords, laborers, slaves, slavers, and many others, including Jedi and Sith. Since Humans were the most common sentient species, they were often considered to be a standard or average...
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