ɪnðə juːnˈaɪɾᵻd stˈeɪts, ðɪ ˈænjuːəl ˈɪnsɪdəns ʌv kɔːɹdˈoʊmə ɪz ɐpɹˈɑːksɪmətli wˈʌn ɪn wˈʌn mˈɪliən θɹˈiːhˈʌndɹɪd nˈuː pˈeɪʃənts ˈiːtʃ jˈɪɹ.
In the United States, the annual incidence of chordoma is approximately 1 in one million (300 new patients each year).