, 552 people from 36 countries have reached  or more in altitude, of whom 549 reached low Earth orbit or beyond.
, fˈaɪvhˈʌndɹɪd fˈɪfti tˈuː pˈiːpəl fɹʌm θˈɜːɾi sˈɪks kˈʌntɹiz hæv ɹˈiːtʃt ɔːɹ mˈoːɹ ɪn ˈæltɪtˌuːd, ʌv hˈuːm fˈaɪvhˈʌndɹɪd fˈoːɹɾi nˈaɪn ɹˈiːtʃt lˈoʊ ˈɜːθ ˈɔːɹbɪt ɔːɹ bᵻjˈɔnd.