"Yemen" . . . . . "population of Yemen" . . . "Yemenis" . "Yemeni Arabs" . . . "Tribal" . "population" . . "Yemenite" . "Demographics of Yemen" . "Yemeni" . "Demographics of Yemen#Population" . . . "Demographics of Yemen" . "Ethnic groups in Yemen" . . . . "Other" . "Arab majority" . "Tribal fighters" .