Table S1. Human groups used in this study, along with their ethnolinguistic group, language family and subsistence system classifications. Also shown are our estimates of pairwise geographical distances and D and FST values, as well as the publications from which we derived these data.

Group 1 / Ethnolinguistic Group 1 / Language Family 1 / Subsistence 1 / Group 2 / Ethnolinguistic Group 2 / Language Family 2 / Subsistence 2 / Geographical distance (km) / D / FST / Reference
Aita / Aita / Papuan / FP / Nasioi / Nasioi / Papuan / FP / 102 / 0.12 / 0.03 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Kabakada / Tolai / Oceanic / FP / 217 / 0.09 / 0.02 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Kisiluvi / Mamusi / Oceanic / FP / 22 / 0.12 / 0.02 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Lingite / Mamusi / Oceanic / FP / 22 / 0.13 / 0.03 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Losoi / Nakanai / Oceanic / FP / 0 / 0.10 / 0.02 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Lugei / Ata / Papuan / FP / 39 / 0.10 / 0.02 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Malasait / Baining / Papuan / FP / 175 / 0.16 / 0.04 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Marabu / Baining / Papuan / FP / 183 / 0.17 / 0.04 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Rangulit / Baining / Papuan / FP / 175 / 0.16 / 0.04 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Uasilau / Ata / Papuan / FP / 39 / 0.11 / 0.02 / Friedlaender et al. 2008
Bileki / Nakanai / Oceanic / FP / Vunairoto / Tolai / Oceanic / FP / 217 / 0.07 / 0.01 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Bileki / Nakanai / Oceanic / FP / 161 / 0.07 / 0.01 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Kabakada / Tolai / Oceanic / FP / 100 / 0.07 / 0.01 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Kisiluvi / Mamusi / Oceanic / FP / 133 / 0.11 / 0.02 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Kol / Kol / Papuan / FP / 33 / 0.07 / 0.01 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Lingite / Mamusi / Oceanic / FP / 133 / 0.12 / 0.03 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Losoi / Nakanai / Oceanic / FP / 161 / 0.10 / 0.02 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Lugei / Ata / Papuan / FP / 114 / 0.09 / 0.02 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Malasait / Baining / Papuan / FP / 67 / 0.14 / 0.03 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Marabu / Baining / Papuan / FP / 44 / 0.14 / 0.03 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Rangulit / Baining / Papuan / FP / 67 / 0.13 / 0.03 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Uasilau / Ata / Papuan / FP / 114 / 0.11 / 0.02 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Vunairoto / Tolai / Oceanic / FP / 100 / 0.06 / 0.01 / Friedlaender et al. 2008
Ganai / Sulka / Papuan / FP / Watwat / Sulka / Papuan / FP / 0 / 0.03 / 0.01 / Friedlaender et al. 2008
Kabakada / Tolai / Oceanic / FP / Vunairoto / Tolai / Oceanic / FP / 0 / 0.02 / 0.01 / Friedlaender et al. 2008
Kabil / Kuot / Papuan / FP / Lamalaua / Kuot / Papuan / FP / 0 / 0.05 / 0.01 / Friedlaender et al. 2008
Kabil / Kuot / Papuan / FP / Madak / Madak / Oceanic / FP / 25 / 0.06 / 0.01 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Bileki / Nakanai / Oceanic / FP / 199 / 0.09 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Ganai / Sulka / Papuan / FP / 382 / 0.08 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Kabakada / Tolai / Oceanic / FP / 372 / 0.10 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Kisiluvi / Mamusi / Oceanic / FP / 234 / 0.13 / 0.03 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Kol / Kol / Papuan / FP / 288 / 0.10 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Lingite / Mamusi / Oceanic / FP / 237 / 0.14 / 0.03 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Losoi / Nakanai / Oceanic / FP / 202 / 0.12 / 0.03 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Lugei / Ata / Papuan / FP / 222 / 0.11 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Malasait / Baining / Papuan / FP / 340 / 0.16 / 0.04 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Mangseng / Mangseng / Oceanic / FP / 193 / 0.08 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Marabu / Baining / Papuan / FP / 379 / 0.16 / 0.04 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Melamela / Melamela / Oceanic / FP / 261 / 0.10 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Mengen / Mengen / Oceanic / FP / 270 / 0.08 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Purailing / Anem / Papuan / FP / 0 / 0.02 / 0.01 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Rangulit / Baining / Papuan / FP / 344 / 0.15 / 0.04 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Uasilau / Ata / Papuan / FP / 223 / 0.13 / 0.03 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Vunairoto / Tolai / Oceanic / FP / 372 / 0.09 / 0.02 / Friedlaender et al. 2008
Keraiai / Anem / Papuan / FP / Watwat / Sulka / Papuan / FP / 306 / 0.08 / 0.02 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Kabakada / Tolai / Oceanic / FP / 217 / 0.13 / 0.03 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Lingite / Mamusi / Oceanic / FP / 0 / 0.03 / 0.01 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Lugei / Ata / Papuan / FP / 31 / 0.08 / 0.02 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Malasait / Baining / Papuan / FP / 178 / 0.18 / 0.05 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Marabu / Baining / Papuan / FP / 181 / 0.19 / 0.05 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Rangulit / Baining / Papuan / FP / 178 / 0.18 / 0.04 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Uasilau / Ata / Papuan / FP / 31 / 0.08 / 0.02 / Friedlaender et al. 2008
Kisiluvi / Mamusi / Oceanic / FP / Vunairoto / Tolai / Oceanic / FP / 217 / 0.11 / 0.02 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Bileki / Nakanai / Oceanic / FP / 111 / 0.10 / 0.02 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Kabakada / Tolai / Oceanic / FP / 128 / 0.10 / 0.02 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Kisiluvi / Mamusi / Oceanic / FP / 100 / 0.12 / 0.03 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Lingite / Mamusi / Oceanic / FP / 100 / 0.13 / 0.03 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Losoi / Nakanai / Oceanic / FP / 111 / 0.12 / 0.03 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Lugei / Ata / Papuan / FP / 83 / 0.11 / 0.02 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Malasait / Baining / Papuan / FP / 89 / 0.15 / 0.04 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Marabu / Baining / Papuan / FP / 78 / 0.16 / 0.04 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Rangulit / Baining / Papuan / FP / 89 / 0.14 / 0.03 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Uasilau / Ata / Papuan / FP / 83 / 0.13 / 0.03 / Friedlaender et al. 2008
Kol / Kol / Papuan / FP / Vunairoto / Tolai / Oceanic / FP / 128 / 0.09 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Bileki / Nakanai / Oceanic / FP / 217 / 0.10 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Ganai / Sulka / Papuan / FP / 317 / 0.09 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Kabakada / Tolai / Oceanic / FP / 356 / 0.11 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Keraiai / Anem / Papuan / FP / 21 / 0.10 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Kisiluvi / Mamusi / Oceanic / FP / 211 / 0.15 / 0.03 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Kol / Kol / Papuan / FP / 289 / 0.13 / 0.03 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Lingite / Mamusi / Oceanic / FP / 211 / 0.15 / 0.04 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Losoi / Nakanai / Oceanic / FP / 217 / 0.14 / 0.03 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Lugei / Ata / Papuan / FP / 208 / 0.14 / 0.03 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Malasait / Baining / Papuan / FP / 317 / 0.18 / 0.04 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Mangseng / Mangseng / Oceanic / FP / 175 / 0.09 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Marabu / Baining / Papuan / FP / 356 / 0.19 / 0.05 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Melamela / Melamela / Oceanic / FP / 247 / 0.11 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Mengen / Mengen / Oceanic / FP / 256 / 0.09 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Purailing / Anem / Papuan / FP / 21 / 0.11 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Rangulit / Baining / Papuan / FP / 317 / 0.18 / 0.04 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Uasilau / Ata / Papuan / FP / 208 / 0.15 / 0.03 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Vunairoto / Tolai / Oceanic / FP / 356 / 0.10 / 0.02 / Friedlaender et al. 2008
Kove / Kove / Oceanic / FP / Watwat / Sulka / Papuan / FP / 317 / 0.10 / 0.02 / Friedlaender et al. 2008
Lamalaua / Kuot / Papuan / FP / Madak / Madak / Oceanic / FP / 25 / 0.06 / 0.01 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Kabakada / Tolai / Oceanic / FP / 217 / 0.14 / 0.03 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Lugei / Ata / Papuan / FP / 31 / 0.08 / 0.02 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Malasait / Baining / Papuan / FP / 178 / 0.19 / 0.05 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Marabu / Baining / Papuan / FP / 181 / 0.20 / 0.05 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Rangulit / Baining / Papuan / FP / 178 / 0.19 / 0.05 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Uasilau / Ata / Papuan / FP / 31 / 0.09 / 0.02 / Friedlaender et al. 2008
Lingite / Mamusi / Oceanic / FP / Vunairoto / Tolai / Oceanic / FP / 217 / 0.12 / 0.03 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Kabakada / Tolai / Oceanic / FP / 217 / 0.13 / 0.03 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Kisiluvi / Mamusi / Oceanic / FP / 22 / 0.09 / 0.02 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Lingite / Mamusi / Oceanic / FP / 22 / 0.09 / 0.02 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Lugei / Ata / Papuan / FP / 39 / 0.06 / 0.01 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Malasait / Baining / Papuan / FP / 175 / 0.18 / 0.04 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Marabu / Baining / Papuan / FP / 183 / 0.18 / 0.05 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Rangulit / Baining / Papuan / FP / 175 / 0.17 / 0.04 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Uasilau / Ata / Papuan / FP / 39 / 0.07 / 0.02 / Friedlaender et al. 2008
Losoi / Nakanai / Oceanic / FP / Vunairoto / Tolai / Oceanic / FP / 217 / 0.11 / 0.02 / Friedlaender et al. 2008
Lugei / Ata / Papuan / FP / Kabakada / Tolai / Oceanic / FP / 119 / 0.12 / 0.03 / Friedlaender et al. 2008
Lugei / Ata / Papuan / FP / Malasait / Baining / Papuan / FP / 150 / 0.18 / 0.04 / Friedlaender et al. 2008
Lugei / Ata / Papuan / FP / Marabu / Baining / Papuan / FP / 156 / 0.18 / 0.04 / Friedlaender et al. 2008
Lugei / Ata / Papuan / FP / Rangulit / Baining / Papuan / FP / 150 / 0.17 / 0.04 / Friedlaender et al. 2008
Lugei / Ata / Papuan / FP / Vunairoto / Tolai / Oceanic / FP / 119 / 0.10 / 0.02 / Friedlaender et al. 2008
Malasait / Baining / Papuan / FP / Kabakada / Tolai / Oceanic / FP / 119 / 0.15 / 0.04 / Friedlaender et al. 2008
Malasait / Baining / Papuan / FP / Marabu / Baining / Papuan / FP / 46 / 0.11 / 0.03 / Friedlaender et al. 2008
Malasait / Baining / Papuan / FP / Rangulit / Baining / Papuan / FP / 11 / 0.03 / 0.01 / Friedlaender et al. 2008
Malasait / Baining / Papuan / FP / Vunairoto / Tolai / Oceanic / FP / 119 / 0.14 / 0.03 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Bileki / Nakanai / Oceanic / FP / 56 / 0.06 / 0.01 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Ganai / Sulka / Papuan / FP / 192 / 0.06 / 0.01 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Kabakada / Tolai / Oceanic / FP / 272 / 0.08 / 0.02 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Kisiluvi / Mamusi / Oceanic / FP / 58 / 0.11 / 0.02 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Kol / Kol / Papuan / FP / 158 / 0.09 / 0.02 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Lingite / Mamusi / Oceanic / FP / 58 / 0.12 / 0.03 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Losoi / Nakanai / Oceanic / FP / 56 / 0.10 / 0.02 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Lugei / Ata / Papuan / FP / 83 / 0.10 / 0.02 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Malasait / Baining / Papuan / FP / 228 / 0.15 / 0.04 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Marabu / Baining / Papuan / FP / 233 / 0.16 / 0.04 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Melamela / Melamela / Oceanic / FP / 153 / 0.08 / 0.02 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Mengen / Mengen / Oceanic / FP / 117 / 0.06 / 0.01 / Friedlaender et al. 2008
Mangseng / Mangseng / Oceanic / FP / Rangulit / Baining / Papuan / FP / 228 / 0.14 / 0.03 / Friedlaender et al. 2008