By the Iron Age, all of the Austroasiatic branches were more or less in their present-day locations, with most of the diversification within Austroasiatic taking place during the Iron Age.
baɪ ðɪ ˈaɪɚn ˈeɪdʒ, ˈɔːl ʌvðɪ ˌɔːstɹoʊsɪˈæɾɪk bɹˈæntʃᵻz wɜː mˈoːɹ ɔːɹ lˈɛs ɪn ðɛɹ pɹˈɛzəntdˈeɪ loʊkˈeɪʃənz, wɪð mˈoʊst əv ðə daɪvˌɜːsɪfɪkˈeɪʃən wɪðˌɪn ˌɔːstɹoʊsɪˈæɾɪk tˈeɪkɪŋ plˈeɪs dˈʊɹɹɪŋ ðɪ ˈaɪɚn ˈeɪdʒ.