ɐkˈoːɹdɪŋ tə ðə dˌɛməɡɹˈæfiə ɹᵻsˈɜːtʃ ɡɹˈuːp, ɪn tˈuː θˈaʊzənd sˈɛvəntˌiːn, ðɛɹwˌɜː wˈʌnhˈʌndɹɪd tˈuː tʃaɪnˈiːz sˈɪɾiz wɪð ˌoʊvɚ wˈʌn mˈɪliən pˈiːpəl ɪnðə "ˈɜːbən ˈɛɹiə", æz dᵻfˈaɪnd baɪ ðə ɡɹˈuːps mˌɛθədˈɑːlədʒi.
According to the Demographia research group, in 2017, there were 102 Chinese cities with over 1 million people in the "urban area", as defined by the group's methodology.