▁years ▁ago ▁associated ▁with ▁the ▁origin ▁and ▁expansion ▁of ▁mat ernal ▁ha p lo group ▁L 3 ▁from ▁Eastern ▁Africa . ▁ ▁Coast al ▁migration ▁ ▁The ▁so - called ▁" re cent ▁dispers al " ▁of ▁modern ▁humans ▁has ▁taken ▁place ▁after ▁beginning ▁about ▁ 7 0 – 5 0 , 0 0 0 ▁years ▁ago . ▁It ▁is ▁this ▁migration ▁wave ▁that ▁led ▁to ▁the ▁last ing ▁spread ▁of ▁modern ▁humans ▁throughout ▁the ▁world . ▁ ▁A ▁small ▁group ▁from ▁a ▁population ▁in ▁East ▁Africa , ▁bearing ▁mit och ond rial ▁ha p lo group ▁L 3 ▁and ▁number ing ▁possibly ▁fewer ▁than ▁ 1 , 0 0 0 ▁individuals , ▁crossed ▁the ▁Red ▁Sea ▁stra it ▁at ▁Bab ▁el ▁Mand ib , ▁to ▁what ▁is ▁now ▁Y emen , ▁after ▁around ▁ 7 5 , 0 0 0 ▁years ▁ago . ▁A ▁recent ▁review ▁has ▁also ▁shown ▁support ▁for ▁the ▁northern ▁route ▁through ▁S ina i / Is rael / S y ria ▁( Le v ant ). ▁Their ▁descend ants ▁spread ▁along ▁the ▁coast al ▁route ▁around ▁Arab ia ▁and ▁Pers ia ▁to ▁the ▁Indian ▁sub cont inent ▁before ▁ 5 5 , 0 0 0 ▁years ▁ago . ▁Other ▁research ▁supports ▁a ▁migration ▁out ▁of ▁Africa ▁between ▁about ▁ 6 5 , 0 0 0 ▁and ▁ 5 0 , 0 0 0 ▁years ▁ago . ▁The ▁coast al ▁migration ▁between ▁roughly ▁ 7 0 , 0 0 0 ▁and ▁ 5 0 , 0 0 0 ▁years