Kasancewa membobin Kwamitin Tsaro na Majalisar Dinkin Duniya da mambobi biyar din-din-din da zababbun mambobi goma, wadanda ba na din din din ba. Kafin shekarar 1966, akwai mambobi shida da aka zaba, yayin da mambobin dindindin ba su canza ba tun lokacin da aka kirkiro Majalisar Dinkin Duniya a shekarar 1945, baya ga wakilcin kasar Sin. Membobin da aka zaba suna rike da matsayin su a kan Majalisar na wa’adin shekaru biyu, kuma rabin wadannan wuraren ana fafatawa kowace shekara. Don tabbatar da ci gaban yanki, an ware wasu mambobi ga kowane rukuni na yanki biyar na Majalisar Dinkin Duniya. Membobin dindindin Membobi marasa dindindin Kungiyar Afirka: mambobi 3 Kungiyar Asiya-Fasifik: mambobi 2 Kungiyar Turai ta Gabas (CEIT, ko Kasashe masu Tattalin Arziki a Canji): memba na 1 Kungiyar Latin Amurka da Caribbean (GRULAC): mambobi 2 Yammacin Turai da Sauran Kungiyar (WEOG): mambobi 2; aƙalla ɗayan waɗannan ya zama daga Yammacin Turai Bugu da kari, daya daga cikin membobin majalisar na din-din-din wata kasar Larabawa ce, daga kungiyoyin Afirka ko Asiya da Fasifik.