Of these, 24 people have traveled beyond low Earth orbit, either to lunar orbit, the lunar surface, or, in one case, a loop around the Moon.
ʌv ðˈiːz, twˈɛnti fˈoːɹ pˈiːpəl hæv tɹˈævəld bᵻjˌɔnd lˈoʊ ˈɜːθ ˈɔːɹbɪt, ˈiːðɚ tə lˈuːnɚɹ ˈɔːɹbɪt, ðə lˈuːnɚ sˈɜːfɪs, ɔːɹ, ɪn wˈʌn kˈeɪs, ɐ lˈuːp ɚɹˈaʊnd ðə mˈuːn.